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Definition
| a metal piece of equipment that controls the source of flame and heat in the lab |
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Term
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Definition
a three-column chart that shows what the Independent Variable, Constants, and Dependent Variable will be for an experiment
the two variables help create the "If...,Then..." hypothesis by taking:
> the IV + a verb |
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Term
International System of Units (S.I.)
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Definition
the accepted list of base units for measurement, including:
- meter - for distance/length
- kilogram - for mass
- second - for time
- kelvin - for temperature
- mole - for amount of substance
- candela - for intensity fo light
- ampere - for electric current
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Kittens Hate Dogs BUT Do Chase Mice
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Definition
a funny phrase to help remember the prefixes for the metric system units:
K - kilo = 1,000
H - hecta = 100
D - deka = 10
B - base = 1
d - deci = 0.1
c - centi = 0.01
m - milli = 0.001 |
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Definition
| a clothing item hung around the neck and tied behind the back to protect one's regular clothes from damage during an experiment |
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Definition
| a glass with measurements on the side that can hold a volume of liquid and can be heated |
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| the final summary of the results of an experiment |
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Definition
all factors that must be the same for each tested item or group during the experiment
1. Same type of plant
2. Same amount of water given
3. Same amount of plant food given
4. Same amount of dirt plant is potted in |
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Definition
the group/item to which all others being tested are compared.
the "standard" |
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the variable that responds to what is changed by the scientist/experimenter
the "then" part of the hypothesis
(....then the plant will not grow and will soon die.) |
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Definition
a way to change from one unit to another unit by moving place by place through connected units
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| a test created by a scientist/experimenter to see if a suggested explanation for a natural event is accurate and repeatable |
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| the group/item being tested with the independent variable |
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| a triangular cone and long tube that is useful for transferring liquids without spilling |
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Definition
| eyewear worn to protect the eyes from accidents during science experiments |
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Definition
| a long, thin tube with a flat bottom and measurements on the side that is used to accurately measure out a specific volume of liquid |
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Definition
a suggested idea to explain WHY something happens in nature
usually written in an "If.....,Then......" statement
("If fertilizer is added to plants, Then plant growth will improve.") |
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Definition
the variable that is changed on purpose by the scientist/experimenter
the "if" part of a hypothesis
(If a plant gets no sunlight....) |
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Definition
a way of describing a thing's size, weight, time, temperature, distance, intensity, etc.
it must have a NUMBER and a UNIT
70 meter
70 kilograms
70 seconds/meter
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Term
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Definition
the downward curve of a liquid when sitting in a graduated cylinder
this is where you should take a reading at the marking (graduation) along the side of the cylinder to get an accurate measurement
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Term
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Definition
based on units of 10
"base" units to which prefixes can be added for larger or smaller amounts:
meter - length/distance
liter - volume
gram - mass
second - time
Kelvin - temperature |
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Definition
| the most used tool of biologists - used for seeing things that are too small to be seen with the eyes alone |
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Definition
the number of times the experient is repeated
the more time you repeat the same experiment and get the same results, the more VALID your results are. |
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Definition
| a small, thin tube with a rounded bottom that is used for holding chemicals for observing reactions |
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Definition
an instrument used to manually measure MASS
the 'rider' adds more weight to move a pointer into a ZERO POINT area to show the measurement in grams |
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