You and your friend create a string phone using two cups and a piece of string about six meters long. If you have trouble communicating through the cups, what should you do?

Make the string tighter by standing farther apart.

Make the string less tight by standing closer together.

Refraction occurs when a light wave _____

bends as it moves from one medium to another.

bounces back off an object or a surface.

Edward plucks the string of his guitar. Each of the strings has the same thickness and length, but a different tightness. Which statement correctly describes how the guitar strings will sound?

The tightest string will make the highest sound. The loosest string will make the lowest sound.

The tightest string will make the softest sound. The loosest string will make the loudest sound.

The tightest string will make the loudest sound. The loosest string will make the softest sound.

The tightest string will make the lowest sound. The loosest string will make the highest sound.

As the school band marches by, Khloe observes the great difference in the pitch of the base drum and the snare drum. Contrasting the deep "boom" of the bass and the lighter "rat-a-tat" of the snare drum, Khloe makes inferences about the frequesncy of the sound waves the instruments produce. What do you think is the most accurate description of the frequencies of the bass drum and the snare drum? Explain what this should be true.

The large bass drum produces low-frequency sound and the small snare drum produces high-frequency sound. One cause of this difference is the size of the drum.

The large bass drum produces high-frequency sound and the small snare drum produces low-frequency sound. One cause of this difference is the size of the drums.

The large bass drum has a high-pitched sound and the small snare drum has a low-pitched sound. One cause of this difference is the size of the drum.

The large bass drum produces low-volume sound and the small snare drum produces high-volume sound. One cause of this difference is the size of the drums.

Why is a banana yellow?

Yellow is the color light that is bounced off the banana.

Yellow is the color light that is reflected by the banana.

Yellow is the color light that is refracted by the banana.

You and your friend conduct an experiment using a flashlight. You place a piece of blue tissue paper over the end of the flashlight, turn off the lights, and shine it on a blank wall. How could you change this procedure to test how the brightness of light it affected by the intensity of the light source?

Remain the same distance and replace the flashlight with a higher-intesity light.

Remain at the same distane, leave the lights on, and shine the flashligh on the wall.

Move the flashlight closer to the wall, and leave the lights on.

Move the flashlight closer to the wall, and chane the color of the tissue paper.

Light & Sound Energy

Authored by Kenyatta Washington

Science

4th Grade

NGSS covered

Used 29+ times

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16 questions

Show all answers

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

LeGacey puts her ear against a door and hears sounds from the other side of the door. What happens when sound waves travel through a material, such as a door?

They vibrate the particles in the material

They stop vibrating

They change volume

None of the other answer choices

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of light?

All of the other answer choices

It is a form of energy

It can move through empty space

It travels in waves

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a beam of light travel after it has been reflected off a mirror?

In a straight line

In a wave

In many different directions

It stops traveling

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following best describes what happens to light when it hits the surface of a pool?

It slows and bends at the point where it passes from air to water.

It slows down and changes direction, bouncing off the surface of the water.

It speeds up and moves in a straight line as it passes into water.

None of the other answer choices

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

You shine a flashlight on an object, and light reflected, or bounced back. What kind of object could this be? What is the best description of how light moves?

As a straight beam

In multiple steps

Slowly in one direction

As a vibration through materials

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

London W. can see her sister through a glass door, but she appears fuzzy with no details. The glass door must be made of _____

translucent material

becomes higher.

opaque material

reflective material

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the frequency of a sound wave increases, the pitch ____

becomes higher.

becomes lower.

becomes louder.

becomes softer.

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Light & Sound Energy

LeGacey puts her ear against a door and hears sounds from the other side of the door. What happens when sound waves travel through a material, such as a door?

What is a characteristic of light?

How does a beam of light travel after it has been reflected off a mirror?

Which of the following best describes what happens to light when it hits the surface of a pool?

You shine a flashlight on an object, and light reflected, or bounced back. What kind of object could this be? What is the best description of how light moves?

London W. can see her sister through a glass door, but she appears fuzzy with no details. The glass door must be made of _____

As the frequency of a sound wave increases, the pitch ____

How do white light waves act when they enter a prism?

Which of the following can act like a prism?

Which form of energy is carried only by vibrations through air, water, or other form of matter?

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