6. The variable that a scientist changes on purpose to test a hypothesis is the
A. control variable
C. standard variable
B. independent variable
D. dependent variable
7. Which of the following is a quantitative observation?
A. The green grass was cut today.
C. There are only five cookies left in the jar.
B. Sammy has a thermometer.
D. She washed the dishes with liquid soap.
8. "Does the type of soil affect the growth of a plant?"
Can someone help me please I don’t know it help ?
Answers: 2
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6. The variable that a scientist changes on purpose to test a hypothesis is the
A. control variable...
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