6.1, 6.2, 6.4, 6.9 Benchmark Review

If I bake two batches of cookies with different amounts of sugar, then the cookies with the least sugar will be the smallest.  This statement is an example of a __.

• question
• research
• hypothesis
• conclusion

In an experiment that tests which baseball bat will hit the ball the farthest, the baseball bat is the __ variable because it changes.

• control
• constant
• independent
• dependent

__ is a tool for classifying organisms.

• dichotomous key
• organism key
• graduated cylinder
• gram

True or False, energy can be made and broken.

• True
• False

Pushing a lawn mower or pulling a wagon are examples of __.

• potential energy
• elastic kinetic energy
• force
• gravity

A book sitting on a shelf or a ball waiting to be thrown are examples of __ energy.

• potential
• kinetic

On a roller coaster, where is the Kinetic Energy greatest?

• top of the hill
• halfway down the hill
• bottom of the hill
• no where

Which of the following has the greatest gravitational potential energy?

• magazine on bottom shelf
• dictionary on top shelf
• newspaper on middle shelf
• magazine on top shelf

Which form of energy explains how the sun works and involves the nucleus of atoms?

• electrical energy
• nuclear energy
• mechanical energy
• electromagnetic energy

On a swing, where is potential energy the greatest?

• at the highest point
• at the lowest point
• no where