Electromagnetic Spectrum

Question 1

What are the sources for radiowaves?

Answer 1

Radios and the sun

Question 2

What is the effect on the body if exposed to radio waves?

Answer 2

No effect

Question 3

How do radio waves work and a main use of radiowaves?

Answer 3

A main use could be for radios. They work by sending radio waves to and from the targets

Question 4

What are the sources for microwaves?

Answer 4

Phones and the sun

Question 5

What do microwaves do to the body?

Answer 5

Nothing

Question 6

What is one main use of microwaves and how do they work?

Answer 6

A main use could be for mobile phones, to do this, the communications have to send a microwave signal to the mobile phones

Question 7

What are the sources for infrared radiation?

Answer 7

An oven and the sun

Question 8

What effect does infrared radiation have on the body?

Answer 8

It can cause burns

Question 9

What is the main use for infrared radiation?

Answer 9

To use infrared cameras or to cook food

Question 10

What are the sources for visible light?

Answer 10

The sun and metals

Question 11

What effect can visible light have on our bodies?

Answer 11

It can cause blindness

Question 12

What is the main use for visible light?

Answer 12

To look at things

Question 13

What are the sources for ultraviolet?

Answer 13

Sun tan beds, UV lamps

Question 14

What are the effects on the body when using ultraviolet?

Answer 14

It damages cells

Question 15

What is the main use for ultraviolet?

Answer 15

For fluorescent lamps

Question 16

What are the sources for X-rays?

Answer 16

The sun and an x ray machine

Question 17

What are the effects on the body for X-ray?

Answer 17

It causes radiation damage

Question 18

What is one use for X-rays?

Answer 18

To view the internal structure of items

Question 19

What are the sources for gamma rays?

Answer 19

Anything radioactive and the sun

Question 20

What do gamma rays do to the body?

Answer 20

They kill every cell in the human body

Question 21

What is a main use for gamma rays?

Answer 21

Sterilising food and medical equipment

Question 22

How do X-rays work?

Answer 22

When electrons hit a metal plate and their kinetic energy is transferred into x-rays

Question 23

How do x-rays produce images?

Answer 23

As an x ray can scan white parts of an image greatly and the black parts terribly, the image is able to be reflected back into an x ray machine in which the image is scanned, then produced.

Question 24

What are the advantages of x rays?

Answer 24

.You can view the internal structure of the body

.x-rays are non-invasive- you don’t need to cut up someone’s body to see what’s wrong with them

Question 25

What are the disadvantages of x-rays?

Answer 25

.They can cause cancer

.They can cause cell damage

.They cannot view soft tissue, such as the internal organs