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| what is the scientific method? |
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Definition
| A series of steps to solve or approach a problem |
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Term
| What are the steps to the scientific method? |
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Definition
Observation
Question
Research
Experiment
conclusion |
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| Ask a question that is related to the experiment |
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| Finding more information than you know to advance you experiment |
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| Testing the question in a series of repeating steps |
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| The ending result of the experiment in which you answer your question |
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| What is a controlled experiment? |
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Definition
| A controlled experiment is a experiment when you have something constant going on to see change |
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| The one factor in the experiment that is being changed |
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| The factor in the experiment that is being measured |
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| What causes the seasons to change? |
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Definition
| The earth rotating on Its 23.5° axis |
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| What is solstice and equinox? |
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Definition
| Solstice is the point when both poles are not facing the sun equinox is the half way point between the solstice |
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| What is aphelieon and perihelion? |
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Definition
Aphelieon is when the earth is far from sun -summer
Perihilieon is when the earth is close to the sun-winter |
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| What shape is the solar system? |
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| How fast an object moves in a certain direction |
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| The earth spinning on its 23.5° axis usually take a day |
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| The earths journey around the so usually takes a year |
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Definition
| Change in velocity and in time |
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| The risistance to change in motion. Objects with bigger made have more inertia than small ones |
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| The apparent position of a background when Viewed from different points of view |
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| Average distance between the earth and the sun |
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| The measurement of distance it takes light to travel in a year |
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Red- wave length of light
Shift- gallixy moving away from earth |
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| States that the earth began 13.7billion years ago |
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| What was Aristotles theory? |
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Definition
| Aristotle's theory states that our universe is a geocentric form |
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Definition
| Hubble's theory stated that the universe was expanding |
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| What was Galileos theory? |
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Definition
| Galileo's theory stated that any object of any size or weight would fall at the same rate |
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| The theory stating that Earth is the center of our universe |
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| The theory stating that the sun is the center of our universe |
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| How to convert 3.1x10^7 into scientific notation? |
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Definition
| move the decimal over 7 times to equal 31,000,000 |
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| What are all the SI metric units? |
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Definition
| Kilometer,Hectometers,Dekameter,Base units,Decimeter,centimeter,millimeter |
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Term
| What is an exanpleof physical change? |
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Definition
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Term
| What is a example of chemical change? |
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Definition
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Definition
| A combination of pure substances physically changed |
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| What is a pure substance? |
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Definition
| Matter that had fixed composition and definite propeerties |
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Term
| What are the famnilies on the periodic table? |
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Definition
| Alkali metals,alkali earth metals,transition metals,halogens,metalloids,nobble gases |
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Definition
| Pure substances that are put together to make a element |
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| What is needed for a eclipes to happen? |
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Definition
| Sun,moon,earth,umbra,penumbra |
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| How will the sun change as it ahead? |
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| An object at rest will stay at reat unless acted on by an unbalanced force and an object in motion will stay in motion unless acted on by an unbalanced force |
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| The acceleration of an object is directly propotional to the net force acting upon it |
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| For every action there is an equal but opposite reaction |
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| Any thing that had made or volume or takes up space there are 5 states |
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Definition
| A mixure that you can see different particals of the substances |
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Definition
| A mixure that you can't see the different partical |
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| In a solution the substance that dissolves |
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| In a solution the substance in which the solute dissolves |
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Definition
| A homogeneous mixure throughout which two or moe substances are uniformly. Deersed |
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Term
| What are the parts of solution? |
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Definition
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Term
| What are 3 ways to dissolve a solute? |
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Definition
| Change the temperature,change the surface area, and the pressure |
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Term
| What two things are elements on the periodic tanker aranged by? |
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Definition
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| How many galaxies are there in our universe? |
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Definition
| About one hundred billion |
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| A force that opposes motion between two surfaces that are in contact |
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| The temperature and pressure at which a solid becomes a liquid |
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| The temperature and pressure at which a liquid becomes a solid |
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| An element that conducts hear and electricity poorly and that does not form positive ions in an elecrolytic solution |
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| The temperature and pressure in which a liquid becomes a gas |
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| An element that is shinny and that conducts heat and electricity well |
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| firm,hard, and tightly packed |
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| An explosion in the stars that is the reason why gravity came into existence |
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| the theory that a neutron star is rapidly rotating |
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| when a liquid becomes a gas |
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| tiny little partical that makes up elements |
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| the smallest physical unit in an element or compound |
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| large star with lots of volume but small surface area |
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| An object that has some metal characteristics and some non metal characteristics |
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| A particle found in an atom with a negative charge |
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Definition
| A particle found in an atom with a positive charge |
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Definition
| A particle found in an atom with a neutral charge |
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Definition
| Creator of the periodic table |
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Definition
| Creator of newtons 3 laws of motion |
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| An atom that has gained or lost an electron |
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Definition
| The number of proton in an atom |
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Definition
| The sum of a number of protons and neutron |
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| A horizontal row of elements on the periodic table |
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Term
| What is the speed of an object at rest? |
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Definition
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| What is it called if the slope on a graph is negitive? |
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Definition
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| Had an atomic theory but did not have any evidence |
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Definition
| Atoms cannot be seperated |
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| Theory that atoms are not visible and have a negitive charge |
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| Theory that most of the atoms mass is in the center |
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Definition
| Theory that electrons went in a path around the nucleus inside the atom |
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Definition
| A path outside of the nucleus where the electrons are located |
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Definition
| The vertical colums on the periodic table |
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| A list of all the known elements |
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Definition
| Extremely reactive not found in nature and are silver and shiny |
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| Good conductor and are shiny range of reactivity |
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| Lanthanides and actinides |
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Definition
| Transition metals are located at the bottom of the periodic table |
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Definition
| Electrons found in the outer most shell of the molecule |
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Definition
| Soft shiny very reactive elements |
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Definition
| Hard shiny less reactive than alkali metals |
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| Unreactive gas foormed elements |
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Definition
| Unreactive gas foormed elements |
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Definition
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Definition
| Whenn one ion takes or borrows some electrons from another. Ion |
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Definition
| When one ion takes or borrows some electrons from another ion |
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Definition
| When 3 ions combine aat the ppoles of the element |
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