Scientific Method and Variables Review

Front

Which of the following hypotheses is written correctly? Options: If a tennis ball is frozen, it won't bounce as high as one that is not frozen., If I heat up a tennis ball it will bounce high., If I freeze a tennis ball, then it will not bounce as high., Frozen tennis balls will not bounce as high.

Back

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

Front

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

Back

dependent variable

Front

Independent variable in hypothesis about alligator egg incubation affecting 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 gender of the alligator?

Back

the gender of the baby alligators

Front

Which plant is the control group in an experiment where Plant A gets no fertilizer, Plant B gets 5 mg of fertilizer each day, and Plant C gets 10 mg of fertilizer each day?

Back

Plant A

Front

A conclusion reached on the basis of evidence and reasoning is a/an...

Back

inference

Front

What is the independent variable in an experiment where a scientist determines how the amount of salt in a body of water affects the number of plants that can live in the water? Options: the temperature of the water, the water, the amount of salt in the water, the number of plants in the water

Back

the amount of salt in the water

Front

To make observations you use your _______.

Back

senses

Front

Performing a test or experiment allows you to test your ___________.

Back

hypothesis

Front

Should experiments be repeated over and over to see if the results are the same each time?

Back

Yes