Scientific Method- Hypothesis and Variables

Front

According to the diagram, which question is being tested?
Options: How does color of light affect plant growth?, How does the amount of fertilizer added to plants affect growth?, How will different amounts of water affect plant growth?, How does the type of soil affect plant growth?

Back

How does color of light affect plant growth?

Front

What is the dependent variable Tyler is measuring when pulling a block of wood up a ramp?

Back

the amount of force needed to pull the wood block up the ramp that is measured by the spring scale

Front

According to the diagram, which question is being tested?

• How does the amount of water affect flowering plants growth?
• How does salt water affect flowering plant's growth?
• How does adding fertilizer to flowering plants affect growth?
• Which type of fertilizer affects plant growth to grow tallest?

Back

How does adding fertilizer to flowering plants affect growth?

Front

A student was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

Back

If plants are placed in bright light, then they will grow more green leaves than in dim light.

Front

Which of the following hypotheses is written correctly?

• If I freeze a tennis ball, then it will not bounce as high.
• If a tennis ball is frozen, it won't bounce as high as one that is not frozen.
• Frozen tennis balls will not bounce as high.
• If I heat up a tennis ball it will bounce high.

Back

If I freeze a tennis ball, then it will not bounce as high.

Front

Which of the following is NOT a rule when writing a hypothesis?

• It is testable
• It is an if/then statement
• It should restate the question
• It is a prediction

Back

It should restate the question

Front

In an experiment, the one variable that is changed is called the

Back

independent variable

Front

In an experiment, the factor that we measure is called the

Back

dependent variable

Front

What is the independent variable in the hypothesis that the temperature at which an alligator's egg is incubated determines its gender?

Back

the temperature

Front

What is the dependent variable in the hypothesis that the temperature at which an alligator's egg is incubated will determine the alligator's gender?

Back

the gender of the baby alligators