Cham Science

Mikayla knows that a lamp uses electrical energy to produce light. What other form of energy does the lamp produce?

• heat

• sound

• chemical

• mechanical

Irregular repeating sound waves cause particles to move that create noise. Movement of air particles caused by regular repeating waves produce musical notes.

What causes the movements of these air particles in sound waves?

• pitch

• solar energy

• vibrations

• wave length

Tags

NGSS.MS-PS4-1

Which of these is the best example to show that energy is the ability to cause motion?

• fan

• lamp

• radio

• toaster

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Water boiling in a teakettle is converted from a liquid to a gas. The Sun can also change water to water vapor in the air. What kind of energy is needed to change a liquid to a gas?

• heat

• electrical

• chemical

• mechanical

Tags

NGSS.MS-PS1-4

Phil is interested in finding out how energy and motion are related. He is using a moving car as an example. Which of the following statements best describes how energy and motion are related?

• Moving objects make energy.

• Energy can cause an object to move.

• All sources of energy involve motion.

• Energy doesn’t affect an object’s motion.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Sally is making a graph to show the length of time different brands of batteries lasted in a flashlight. Which type of graph would best show the data?

• bar graph

• circle graph

• line graph

• picture graph

When a scientist performed an experiment, she did not get the results she expected. What should she do?

• change the results

• assume her results are correct

• assume her results are incorrect

• repeat the experiment to test her results

Tags

NGSS.MS-PS2-5

Juan is doing an experiment to see the way the heat given off by a light bulb affects temperature in different parts of a room. What is the control for this experiment?

• temperature of the light bulb

• temperature near the light bulb

• temperature in the room before the light bulb is turned on

• temperature in the part of the room that is farthest from the light bulb

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

Which of the following is NOT a good example of mechanical energy?

• electric fan

• desk lamp

• child on a swing

• sailboat in the wind

Tags

NGSS.MS-PS3-5

Annie pushes a heavy box across the floor. What kind of energy does she use to move the box?

• electrical

• light

• heat

• mechanical