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- 1. Multiple ChoiceA scientific theory...is based on lots of evidenceis not validis not reliablehas not been tested many times
- 2. Multiple ChoiceA possible explanation to a problem that has not yet been tested.datatheoryhypothesisfact
- 3. Multiple Choice
This variable in an experiment that is changed by the scientist.
dependent variable
independent variable
data
control group
- 4. Multiple ChoiceThere are two types of data. Which type of data involves descriptions that cannot be counted or measured?qualitativequantitative
- 5. Multiple ChoiceIn a controlled experiment, how many variables can be worked with at a time?onenonetwo or morehow ever many makes sense.
- 6. Multiple ChoiceWhen experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?DependentIndependentControlCompound
- 7. Multiple ChoiceAn experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?Type of plantWater, apple juice, milkPlant growthColor of the plant's leaves
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