SAT blog Thursday January 22nd

Neil wanted to see how the pressure in his bicycle tires changed with temperature. What is the dependent variable in this experiment?

a. the bicycle tires

b. the temperature

c. the air pressure in the tires

d. the height of the bicycle

2. Which of the following best describes the next step in scientific inquiry if a hypothesis is not supported by an experiment?

a. adjust the hypothesis, and do an experiment to test it

b. present the results as proof of the hypothesis

c. repeat the experiment until it agrees with the hypothesis

d. create  new experiment that will support the experiment

3. What must happen before a hypothesis is accepted as a theory?

a. the hypothesis must be tested by one trail

b. the hypothesis must be tested by many trails

c. many people must agree with the hypothesis

d. many people must have similar predictions

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