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Variables Quiz

1. In scientific experiments dependent variables should be:
Correct.
Incorrect.
2. In scientific experiments the independent variable should be:
Correct.
Incorrect.
3. Mark whether each of the following factors is a good choice or bad choice for an independent variable:
Time
Height
Sadness
Where someone was born
Whether it is night or day
4. The variables you keep the same throughout an experiment are called the:
Correct.
Incorrect.
5. For her science fair project, Maya asks the following question: "I see that some recipes for bubble blowing solution have glycerin and others do not. I want to blow the largest bubbles possible. How does adding glycerin to my bubble blowing solution change the size of the bubbles I can blow with it?" From the list below, mark which variables Maya can ignore as unimportant during her experiment, which variables she needs to try to change during her experiment, and which variables she needs to try to keep the same during her experiment:
The brand of dish detergent used to make the bubble blowing solution
The size of her bubble wand
The amount of glycerin added to the bubble blowing solution
The weather conditions outside when blowing bubbles
Whether or not her neighbor's dog is barking

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