Light & waves review

Light & waves review

Assessment

Flashcard

Physics

7th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What does it mean for an object to reflect light?

Back

When an object reflects light, it bounces back the light that hits its surface instead of absorbing it. For example, a green frog reflects green light, making it appear green.

2.

FLASHCARD QUESTION

Front

What do all waves carry?

Back

All waves carry energy.

3.

FLASHCARD QUESTION

Front

What happens to the volume of a sound wave when you increase its amplitude?

Back

Increasing the amplitude of a sound wave increases its volume.

4.

FLASHCARD QUESTION

Front

What is a transverse wave?

Back

A transverse wave is a type of wave where the motion of the medium is perpendicular to the direction of the wave. An example is a wave on a string.

5.

FLASHCARD QUESTION

Front

Which type of wave in the electromagnetic spectrum has the least energy?

Back

Radio waves have the least energy and the longest wavelength in the electromagnetic spectrum.

6.

FLASHCARD QUESTION

Front

What is the definition of wavelength?

Back

Wavelength is the distance between two consecutive peaks or troughs in a wave.

7.

FLASHCARD QUESTION

Front

What is the difference between a compressional wave and a transverse wave?

Back

In a compressional wave, the medium moves parallel to the direction of the wave, while in a transverse wave, the medium moves perpendicular to the direction of the wave.

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