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10 Cards in this Set
- Front
- Back
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A prediction or statement that can be tested is a ________ |
hypothesis |
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a factor in an experiment that can change is a _______ |
variable |
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a sample that is treated exactly like the other experimental groups except that the variable is not applied to it is ________ |
control group |
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which skill are you using when you use your five senses to gather information? |
observation |
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facts, figures, and other evidence learned through observation are called_______ |
data |
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what characteristic must be true of a good hypothesis? |
must be testable by observation or experiment and must be repeatable |
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in a controlled experiment a scientist is studying how long it takes parachutes of different sizes to fall to the ground. what is the manipulated variable? |
size of parachutes |
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what skill is a scientist using when she listens to the sounds that whales make? |
making observations |
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the german botanist who discovered all plants are composed of cells was? |
matthias scheiden |
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the German zoologist who discovered all animals are composed of cells was |
Theodore Schwann |
