Forms of Energy and Light Interaction

At the soccer game, a player has just kicked a soccer ball into the air. When does the soccer ball have mechanical energy? Choose three answer choices.

• 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

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

Fill in the blanks using the available answer choices. What is light? Select the word that completes Blank 1 in the explanation: Light is a form of ______ that travels in ______ paths from its source.

• energy, straight

• matter, straight

• sound, crooked

• temperature, high

What is one way that people use sound energy? Choose the best example.

• Listen to their teacher explain fractions

• Watch their teacher do a math problem

• Wrap a blanket around you on a cold day

• Watching rain fall

The science class is studying energy and the different forms it may have. 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.

Tags

NGSS.MS-PS3-5

Jorge draws the diagram shown here. His goal is to show why a banana appears yellow. How can Jorge complete the diagram?

• Draw a yellow line from the banana to the boy’s eye.

• Draw a black line from the banana to the boy’s eye.

• Draw a yellow line from the Sun to the boy’s eye.

• Draw a yellow line from the Sun to the boy’s eye.

Tags

NGSS.MS-PS4-2

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.

Tags

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

Tags

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.

Tags

NGSS.MS-PS4-2

Karen is observing chicks under a light bulb, as shown in the photo. 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

Tags

NGSS.MS-PS1-4

Elliot wants to show that mechanical energy can be changed into thermal energy, producing heat. How can Elliot best show this change?

• Toast a slice of bread in a toaster.

• Rub his hands together.

• Drop a rubber ball onto the floor.

• Hold his hands near a campfire.

Tags

NGSS.MS-PS3-4