G3 FL Science Chapter 7 Study Guide

When does the soccer ball have mechanical energy?

• immediately after it is kicked

• when it stops rising and begins falling

• when it bounces off the ground

• after it has stopped rolling on flat ground

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NGSS.MS-PS3-5

What do all forms of energy have in common?

• They can be observed with the eyes.

• They describe only moving objects, not things that stay in one place.

• They can cause a change in motion, temperature, or another property of an object.

• They make things hotter or colder but do not affect motion or other properties of objects.

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What happens when light hits a mirror?

• The light continues traveling in a straight line.

• All of the light is absorbed by the mirror.

• The mirror reflects the light.

• The light is refracted.

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NGSS.MS-PS4-2

Zeke uses a flashlight to investigate how light interacts with matter. Which of these objects will absorb nearly all of the light that shines on it?

• a dinner plate that has a bright, colorful design

• a heavy blue bowling ball

• a white shirt or pair of pants

• a black balloon

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NGSS.MS-PS4-2

Nancy observes how a paintbrush appears in a glass of water. Despite the paintbrush’s appearance, it is neither bent nor broken. Which statement explains the appearance of the paintbrush?

• Light bends when it passes between different materials, such as air and water.

• Light may reflect off of smooth surfaces, such as glass or water.

• More light is absorbed by a pencil than by air or water.

• Light travels through glass or water in a zigzag path.

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NGSS.4-PS4-2

What are the two forms of energy that the chicks receive from the light bulb? Select two answer choices.

• light energy

• sound energy

• mechanical energy

• thermal energy

• electrical energy

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NGSS.4-PS3-2

Why does a drum make a sound when it is hit with a mallet or a stick?

• The drum releases tiny pieces into the air.

• The drum becomes hot and then cools quickly.

• The drum vibrates and causes sound energy.

• The mallet causes the drum to stop moving.

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The leaves ​---------- light that is not green.​

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What is the source of electrical energy?

• charged particles

• natural electricity

• electrical current

• plugging an object in