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Topic 3 Lesson 3 Waves and the Electromagnetic Spectrum

Topic 3 Lesson 3 Waves and the Electromagnetic Spectrum

Assessment

Flashcard

Science

4th 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 is a wave?

Back

A wave is a disturbance that transfers energy from one place to another without transferring matter.

2.

FLASHCARD QUESTION

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, including visible light, radio waves, X-rays, and more.

3.

FLASHCARD QUESTION

Front

What happens when light hits a transparent material?

Back

Most of the light can go through the transparent material, which is called refraction.

4.

FLASHCARD QUESTION

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

5.

FLASHCARD QUESTION

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and does not pass through or bounce off.

6.

FLASHCARD QUESTION

Front

What are X-rays used for?

Back

X-rays are used in medicine to see inside the human body, as they can be absorbed by dense materials like bones.

7.

FLASHCARD QUESTION

Front

What is the function of the aperture in a camera?

Back

The aperture controls the amount of light that enters the camera, similar to how the pupil controls light entering the eye.

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