What is the experimental factor in an experiment called? it is the one you test.

What do we call all the factors that remain the same for all experimental groups in an experiment?

Timmy tested the effects of water temperature on the amount of oxygen that can be dissolved in the water. What is the dependent variable?

Experiments to find the best weed killer were run simultaneously. Experiment A used 1000 acres of fields. Experiment B used 200 acres of field. Which results will more reliable?

Which of the following are important for gathering good data?

Research was done to determine the effect of fertilizer on surface water such as ponds. Which of the following would most likely show bias?

Which of the following is not considered a model?

Which statement is true of experiments?

What must all scientists do immediately after they collect their data?

In an experiment concerning the amount of sunlight on plant growth, all groups received the same water, fertilizer, and soil conditions. What are these called?

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