A student wonders if adding fertilizer to the soil will make tulips grow faster. The student’s hypothesis states, “If fertilizer is added to the soil, then the tulips will grow faster, because fertilizer adds nutrients to the soil.” Which of the following variables is the independent variable?
Think back to the bean plant experiment you read about earlier. The student’s hypothesis stated, “If bean plants are grown in green light, they will grow taller, because bean plants are green.” Which of the following variables is the dependent variable?
You are going to enter a biology science fair. You and your friends have come up with some interesting ideas. Look at the questions below and choose all of the questions that are testable and would lead to a good science fair project.
In your science fair project, you fed peanuts to chickens and their eggs were larger. Now you want to determine how many peanuts a chicken needs to eat to make larger eggs. Choose all of the steps in the scientific method that you would repeat.
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