A lifeguard hears a whistle from across the pool. The sound reaches her faster through the water than through the air. What does this scenario illustrate about sound waves?

Sound travels faster in water than in air

Sound travels slower in water than in air

Sound travels at the same speed in all materials

Sound cannot travel through water

A student notices that a straw in a glass of lemonade looks broken at the surface. She wants to explain why this happens. What reasoning should she use?

Light changes speed and direction when moving from air to liquid, causing refraction

The lemonade absorbs all the light

The straw reflects light back to her eyes

A student is given three materials: glass, water, and air. She is asked to predict and explain in which material light will travel the fastest and why.

Light travels fastest in air because it is less dense than glass or water

Light travels fastest in glass because it is transparent

Light travels fastest in water because it is a liquid

Light travels at the same speed in all three materials

A student is designing sunglasses to protect eyes from the sun. She needs to choose a material that blocks ultraviolet light but allows visible light to pass through. Which material should she select and why?

A material that absorbs ultraviolet light and transmits visible light

A material that absorbs visible light and transmits ultraviolet light

A material that reflects all types of light

A material that transmits both ultraviolet and visible light

A student is in a room with a closed window. She hears a siren outside and sees the flashing lights at the same time. She wonders why she sees the lights before she hears the sound. What is the best explanation?

Light waves travel faster than sound waves in air

Sound waves travel faster than light waves in air

Both travel at the same speed in air

The window blocks sound but not light

A student places a red apple under blue light. What color will the apple appear and why?

Black or dark, because the apple absorbs blue light and reflects little or no light

Red, because apples always look red

Blue, because the light is blue

Green, because red and blue make green

A student is comparing how quickly sound travels through metal, water, and air. She taps a metal rod, drops a pebble in water, and claps her hands in air. She records the time it takes for the sound to reach her ear in each case. What should she conclude and why?

Sound travels fastest in metal because particles are closest together

Sound travels fastest in air because it is the least dense

Sound travels fastest in water because it is a liquid

Sound travels at the same speed in all materials

A student is given a scenario: She shines a flashlight at a piece of black paper and a piece of white paper. She notices the black paper gets warmer than the white paper. How should she explain this observation?

Black paper absorbs more light, converting it to heat

Black paper reflects more light, so it gets warmer

White paper absorbs more light, so it gets warmer

Both papers absorb the same amount of light

A student is watching a rainbow form after a rainstorm. She wants to explain how the sun’s white light creates the rainbow. What is the best explanation?

The sun’s white light is refracted and dispersed by raindrops, separating it into a spectrum of colors

The sun’s white light is absorbed by raindrops, creating colors

The sun’s white light is reflected by raindrops, creating colors

The sun’s white light passes through the raindrops unchanged

7th EOY Review: Unit 3

Authored by DAKOTA FEDERICO

Science

7th Grade

FL covered

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Content View

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20 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which type of electromagnetic radiation from the sun is responsible for causing sunburns?

Infrared

Ultraviolet

Visible light

Radio waves

Tags

FL.SC.7.P.10.1

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What happens to white light when it passes through a prism?

It disappears

It splits into a spectrum of colors

It becomes ultraviolet light

It turns into infrared light

Tags

FL.SC.7.P.10.1

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which term describes the bending of light as it passes from air into water?

Reflection

Refraction

Absorption

Diffusion

Tags

FL.SC.7.P.10.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When you look at yourself in a mirror, which property of light are you observing?

Absorption

Reflection

Refraction

Transmission

Tags

FL.SC.7.P.10.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which type of wave travels fastest in air: light waves or sound waves?

Light waves

Sound waves

Both travel at the same speed

Neither can travel in air

Tags

FL.SC.7.P.10.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What happens to the speed of sound when it moves from air into water?

It increases

It decreases

It stays the same

It stops completely

Tags

FL.SC.7.P.10.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A student shines a flashlight through a glass of water and notices a rainbow on the other side. Which property of light is being demonstrated?

Reflection

Refraction

Absorption

Scattering

Tags

FL.SC.7.P.10.1

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7th EOY Review: Unit 3

Which type of electromagnetic radiation from the sun is responsible for causing sunburns?

What happens to white light when it passes through a prism?

Which term describes the bending of light as it passes from air into water?

When you look at yourself in a mirror, which property of light are you observing?

Which type of wave travels fastest in air: light waves or sound waves?

What happens to the speed of sound when it moves from air into water?

A student shines a flashlight through a glass of water and notices a rainbow on the other side. Which property of light is being demonstrated?

If you wear a black shirt on a sunny day, it feels warmer than a white shirt. Which property of light explains this?

A student places a pencil in a glass of water and observes that the pencil appears bent at the water's surface. Which property of light is responsible for this effect?

A lifeguard hears a whistle from across the pool. The sound reaches her faster through the water than through the air. What does this scenario illustrate about sound waves?

Access all questions and much more by creating a free account

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Popular Resources on Wayground

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