Term
| What is the Scientific Method and all its steps? |
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Definition
Scientific Method is a set of steps to approach a problem
1) observation 2)question 3)Do Research
4) hypothesis 5)Experiment 6)conclusion |
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Term
| What is a controlled experiment? why is it important? |
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Definition
| Is an experiment that doesn't change. its important so you can find the IV and DV |
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Term
| What was Aristotle theory? |
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Definition
| Aristotle's theory was that he believed in the geocentric theory. (the earth was the center of the universe) |
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Term
| Convert: 3.1x10 7 or 3.1x10-7 |
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Definition
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Term
| what are the basic SI(metric) units for mass, temperature, length, and volume? |
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Definition
MASS:killogram
TEMP:degress celicus
LENGTH:meter
VOLUME: liter |
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Term
Values/meaning of:
Kilo, Hecto,deka,Deci,Centi, and milli. |
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Definition
kilo:10^3
Hecto:10^3
Deka:10^1
Deci:10^-1
Centi:10^-2
Milli: 10^2 |
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Term
| What is the Big Bang Theory? |
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Definition
| The Big Bang Theory is a theory that our universe started out with a big bang and it was smaller than a pin point but is expanding as we speak |
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Term
| What does the expanding universe theory describe? |
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Definition
| That our universe is getting larger as we speak, this means that the faster a galaxy is the farther we're getting away. Edwin hubble discovered it |
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Term
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Definition
| The earth's tilt on its axis |
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Term
| what does solstice and equinox mean? when do they occur? |
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Definition
| A solstice is when the points at which the poles are tilted at their max, and equinox is when the sunlight is hitting the northern more. |
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Term
| what do perhulum and apleahon mean? |
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Definition
a)earth is farthest away form the sun.
P) closest to the earth |
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Term
| How long does it take for the moon to go through its phases? to travel around the earth? |
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Definition
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Term
| what does Newtons first law state? |
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Definition
| An object a rest will say a rest unless acted upon an outside force, an object in motion will stay in motion unless acted upon an outside force |
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Term
| What does Newton's third law state? |
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Definition
| for every action, there is an equal but opposite reaction. |
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Term
| what's Newton's second law? |
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Definition
| the rate of change of momentum is proportional to the imposed force and goes in the direction of the force. |
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Term
| what does the term speed mean? |
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Definition
| speed is the distance traveled |
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Term
| what does the term velicity mean? |
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Definition
| Velocity is a rate at which something increases or decreases. |
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Term
| what does the term displacement mean? |
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Definition
| the directed line segment between initial and final speed. |
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Term
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Definition
| anything that has volume, and takes up space. |
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Term
| what is a balanced forces |
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Definition
| when the forces pushing (or pulling) an object in one direction are the same size as the forces |
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Term
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Definition
| A molecule is A group of atoms bonded together |
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Term
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Definition
| The point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. |
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Term
| what is a Heterogeneous Mixture? |
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Definition
| a mixture is a material system made up by two or more different substance which are (mixed) together but are not combined |
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Term
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Definition
| The action of rotating around an axis or center, in the same direction as the earth's rotation |
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Term
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Definition
| Having or representing the earth as the center, as in former astronomical systems. |
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Term
| what is an independent variable? |
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Definition
| A variable (often denoted by x) whose variation does not depend on that of another. |
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Term
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Definition
Water that collects as droplets on a cold surface when humid air is in contact with it.
The process of becoming more dense, in particular. |
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Term
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Definition
| The temperature at which a liquid turns into a solid when cooled. |
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Term
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Definition
| when classifying the chemical elements. On the basis of their general physical and... |
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Term
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Definition
| A solution is a consistent mixture of two or more substances, such as solids, liquids and gases |
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Term
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Definition
| An element is a substance that is made entirely from one type of atom |
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Term
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Definition
| Solid is a state in which an object is marked by stability and firmness |
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Term
| what is a pure substance? |
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Definition
| a chemical substance is a material with a specific chemical composition |
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Term
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Definition
| a heterogeneous mixture of two or more substances |
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Term
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Definition
| A very large star of high luminosity and low surface temperature. |
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Term
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Definition
| The liquid in which a solute is dissolved to form a solution. |
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Term
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Definition
| An airlike fluid substance which expands freely to fill any space available, irrespective of its quantity. |
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Term
| What is an atomic number? |
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Definition
| An atomic number is The number of protons in the nucleus of an atom, |
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Term
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Definition
| An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. |
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Term
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Definition
| used to graph two sets of quantitative data |
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Term
| Measure in_____? how far? |
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Definition
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Term
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Definition
| how much distance has been traveled from the starting point. *shortest point* |
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Term
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Definition
| used to graph data that is numerical and correspond to events or things |
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Term
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Definition
| used to reflect percentages or parts of a whole |
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Term
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Definition
| cant be created or destroyed, only changed from one form to another. |
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Term
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Definition
| compound broken down into its smallest piece |
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Term
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Definition
| pure substances that cannot be broken down by chemical means |
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Term
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Definition
| made up of 2 or more atoms chemically combined |
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Term
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Definition
| chemical symbol and numbers indicating the atoms contained in a substance |
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Term
| what is a chemical change? |
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Definition
| a change in composition to form a new substance |
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Term
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Definition
| temperature where the liguid gets hotter and bubbles start to form |
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Term
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Definition
| temperature where a solid becomes a liquid |
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Term
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Definition
-wind
-fire
-electricity
-light
-anything with energy |
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Term
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Definition
| a small part of our galaxy |
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Term
| what does the term Heterogeneous mean? |
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Definition
| can see the separated parts in the solution |
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Term
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Definition
| ability to change or move matter |
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Term
| what does the term Homogeneous mean? |
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Definition
| same parts, cant see the different parts |
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Term
| what does 1 lightyear equal to? |
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Definition
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Term
| what does a light speed equal to? |
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Definition
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Term
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Definition
| Distance between sun and the earth |
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Term
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Definition
| occur when the moon is in the new moon phase |
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Term
| how many galaxies are there? |
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Definition
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Term
| formula for accerleration? |
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Definition
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Term
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Definition
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Term
| what was Galileo perform in 1602? |
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Definition
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Term
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Definition
| a point in a given space that something occupies *starting point* |
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Term
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Definition
mixing 3 or more substances.
ex: dressing |
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Term
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Definition
"helios" means sun
"peri" means near
"apo" means away from |
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Term
| what are the dark patches on the moon? |
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Definition
| lava that flowed out of the moons interior and cooled on a solid rock |
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Term
| what is the moons surface covered with? |
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Definition
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Term
| what causes earths seasons? |
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Definition
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Term
| why do the sun and moon combine? |
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Definition
| to create greater higher and lower tides |
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Term
| degrees the earth tilts at? |
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Definition
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Term
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Definition
| when one element wants to complete its octet by removing and electron from its shell and others want electron to complete its octet |
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Term
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Definition
king(kilo)
henry (hecto)
died (deci)
by (g, ml, l)BASE UNIT
D (deka)
Chocolate (centi)
milk ( mili) |
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Term
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Definition
| kept under similar variables |
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Term
| what are ways you can dissolve solute faster? |
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Definition
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Term
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Definition
| 9.4605284x10 to the 15 power |
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Term
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Definition
| a unit of length equal to just under 10 trillion kilometers |
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Term
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Definition
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Term
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Definition
| interchangable; doesnt change |
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Term
| what is a dependent variable? |
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Definition
| result of change in iv (independent variable) |
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Term
| what does making a hypothesis mean? |
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Definition
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Term
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Definition
| study of living things *in biology* |
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Term
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Definition
| causes the changes observed in an experiment |
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Term
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Definition
| a hypothesis that can be tested again and again by many scientists. |
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Term
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Definition
| use of scientific discoveries to solve everyday problems |
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Term
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Definition
| a question asked about the observation |
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Term
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Definition
| everything physical that exists in space and time |
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Term
| do elliptical galaxies make stars? |
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Definition
| no, scientists don't know why. |
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Term
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Definition
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Term
| what are the major types of galaxies? |
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Definition
- elliptical
- spiral
- irregular |
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Term
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Definition
| largest known structures in the universe. |
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Term
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Definition
| a group of stars or galaxies bound by gravity. |
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Term
| what subject did Galileo pursue his career? |
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Definition
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Term
| whats does the term paralax mean? |
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Definition
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Term
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Definition
shorten longer numbers
ex: 78,000,000 to 78x10to the 6th power |
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Term
| what is the closest star? |
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Definition
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Term
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Definition
| one fill spin on its axis (29.5 days) |
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Term
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Definition
| collection of millions to billions of stars |
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Term
| what is a revolution (orbit)? |
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Definition
| one full orbit around another object (27.3 days) |
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Term
| where are younger stars found? |
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Definition
| nuclear gas and dust where they were born |
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Term
| where are other stars found? |
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Definition
| throughout the galaxy or in regiens w/ no gas or dust |
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Term
| what holds the galaxy together? |
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Definition
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Term
| what forms in galaxies because of gravity? |
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Definition
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Term
| what does the term cluster mean? |
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Definition
| group of stars or galaxies bound by gravity |
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Term
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Definition
| largest known structures in the universe |
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Term
| what are the major types of galaxies? |
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Definition
| elliptical, spiral, and irregular |
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Term
| what do the 3 major galaxies look like? |
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Definition
eliptical- football shape
spiral- pinwheel
irregular- no shapes |
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Term
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Definition
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Term
| what does interstellar matter mean? |
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Definition
| the gas and dust located between the star in a galaxy |
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Term
| what does the word quasar mean? |
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Definition
| a very luminous object that produces energy at a high rate |
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Term
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Definition
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Term
| when are galaxies unable to make stars? |
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Definition
| when they consume gas and dust |
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Term
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Definition
| everything physical that exsists in space and time |
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Term
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Definition
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Term
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Definition
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Term
| what is distance measured in? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| what measure in graduated cylinders? |
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Definition
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Term
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Definition
| little dip in the beaker to read amout of water |
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Term
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Definition
celcius = C
kelvin= k
fahrenheit = F |
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Term
| what are the different types of measurement? |
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Definition
- dimenstion
- temp.
-volume
-mass |
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Definition
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Term
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Definition
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| something you actually experience using your senses |
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Term
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Definition
| a question asked about observation usually because something is unusual |
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Term
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Definition
| a testing of the hypothesis by means of control and variables which show some different results. |
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Term
| scientific notation rules |
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Definition
- can only have one number to the left of the decimal
- bounce to right= bigger
- bounce to the left= smaller |
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Term
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Definition
| founding fathers of the metric system |
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Term
| advantages of metric system |
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Definition
based on decimal system
used by most nation of world |
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Term
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Definition
| 1.09 yards or 39.36 inches |
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Term
| how many SI units are there? |
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Definition
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Term
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Definition
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Term
| mathematical unit for measuring angles |
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Definition
| degree, arcminute, and arcsecond. |
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Term
| traditional units of civil time? |
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Definition
| minute, hour, day, and year |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
massx acceleration
(kg. m/s2) |
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Term
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Definition
| length/ change in temperature |
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Term
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Definition
1) gas
2) solid
3) liquid |
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Term
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Definition
tendency to act like a fluid
ex: honey; syrup |
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Term
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Definition
| a mixture constantly of any particle |
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Term
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Definition
| a mixture constantly of any particle |
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Term
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Definition
| more spread out also more unifrom throught |
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Term
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Definition
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Term
| what does moon reflect light off of? |
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Definition
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Term
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Definition
| occures during 1st quarter and 3rd quarter moon |
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Term
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Definition
| more extreme levels b/s of the combined gravitational pull |
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Term
| what does gravitational force from the moon reflect? |
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Definition
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Term
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Definition
| moon appears to have different shapes throughout the month |
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Term
| which way does the moon spin? |
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Definition
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Term
| when does lunar eclipse occurs? |
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Definition
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Term
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Definition
- moon is in between earth and the sun
- the moons surface is covered in craters |
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Term
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Definition
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Term
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Definition
| a vertical column in the periodic table |
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Term
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Definition
Increase in the rate or speed of something.
The rate of change of velocity per unit of time. |
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Term
| what is an unbalanced force? |
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Definition
| one that does not have an equal force resisting it, or motion |
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Term
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Definition
| The point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun |
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Term
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Definition
| The effect whereby the position or direction of an object appears to differ when viewed from different positions |
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Term
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Definition
| Directed or moving backward |
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Term
| what is a dependent variable? |
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Definition
| A variable (often denoted by y) whose value depends on that of another. |
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Term
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Definition
| The temperature at which a liquid boils and turns to vapor |
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Term
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Definition
| The degree of compactness of a substance |
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Term
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Definition
| An element whose properties are intermediate between those of metals and solid nonmetals |
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