4: Science FSA Practice

Isaac states that the moon revolves around Earth. Which of the following best describes Issac's statement?

• It is an opinion because it is a belief not supported by repeatable observations.

• It is a fact because it is a belief not supported by repeatable observations.

• It is an opinion because it is supported by repeatable observations.

• It is a fact because it is supported by repeatable observations.

Dominic conducted an experiment to test how different amounts of light affect plant growth. He used a tomato plant, a bean plant and a pepper plant. He gave the plants the same amount of water each day but different amounts of light. Which of the following statements describes what Dominic should have done differently in this experiment?

• Dominic should have given the plants different amounts of water.

• Dominic should have given each plant the same amount of light.

• Dominic should have used three plants of the same kind.

• Dominic should not have watered the plants.

Strong winds can cause smaller peices of rock to bounce and roll along the ground. Which of the following best describes this movement of rock?

• erosion

• land development

• pollution

• weathering

A factory releases wastes into a earby river. Landon notices dead fish in the river. He infers that the wates are harmful to the fish in the river. Which of the following observations would provide the best evidence to support Landon's inference?

• When wastes decrease, the number if healthy fish does not change.

• When wastes decrease, the number of healthy fish decreases.

• When the wastes increase, the number of healthy fish decreases.

• When the wastes increase, the number of healthy fish increases.

When Maria plugs in and turns on her new alarm clock, the alarm starts ringing. Which energy transformation takes place?

• Electrical energy changes to solar energy.

• Chemical energy changes to sound energy.

• Electrical energy changes to sound energy.

• Sound energy changes to mechanical energy.