Phy - Electromagnetic waves

Phy - Electromagnetic waves

3rd - 4th Grade

10 Qs

quiz-placeholder

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Phy - Electromagnetic waves

Phy - Electromagnetic waves

Assessment

Quiz

Science

3rd - 4th Grade

Practice Problem

Medium

Created by

Curve a

Used 14+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of waves are electromagnetic waves?

transverse

optical

magnetical

longitudinal

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How to the different waves travel?

At the different speed through a vacuum but same speeds in same materials

the same speeds everywhere

At the same speed through a vacuum but different speeds in different materials

different speeds everywhere

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are electromagnetic waves grouped by?

their function

wavelength and frequency

wavelength

frequency

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are Em waves generated by?

atoms as materials change state

a magnet

objects

changes in atoms and their nuclei

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

What color has the longest wavelength and what colour has the shortest?

Longest- RED

Longest - VIOLET

Shortest -RED

Shortest- VIOLET

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All Em waves transfer energy. What does frequency mean in terms of energy?

The lower the frequency the more energy and vice versa

The higher the frequency the less energy and vice versa

The higher the frequency the more energy and vice versa

it has nothing to do with it it just means its more dangerous

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Different Em waves have different properties which can affect human health. What are the effects of Radio waves and microwaves?

Radio waves is absorbed by skin and has a higher frequency so its more dangerous and microwaves are type of ionising radiation so it damages the cells on the surface of the skin causing skin cancer.

Radio waves are transmitted through the body without being absorbed but microwaves can be absorbed and cause heating of cells which may be dangerous

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