Waves Year 7

Question 1

Louder sound waves have……………..amplitude

Answer 1

Higher

Question 2

Quieter sound waves have lower………….

Answer 2

Amplitude

Question 3

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What kind of wave is this?

Answer 3

A longitudinal wave

Question 4

Higher sounds have a higher……..

Answer 4

Frequency

Question 5

Lower sounds have a………………frequency.

Answer 5

Lower

Question 6

What kind of wave is a sound wave?

Answer 6

Transverse

Question 7

There are two types of waves, longitudinal and…….

Answer 7

Transverse

Question 8

👇What is this
🪨())))))))))))))))))))))))))))))))))))))🦇
(((((
(((((((((((
(((((((((((((((
👆This is a reflected wave.

Answer 8

Incident wave

Question 9

Waves can…….

Answer 9

Reflect
Refract
Diffract

Question 10

Frequency is number of waves in a………

Answer 10

Second

Question 11

What is the range of human hearing?

Answer 11

20Hz to 20,000Hz

Question 12

What is frequency measured in?

Answer 12

Hertz (Hz)

Question 13

Can you hear in space?

Answer 13

No because there are no particles in space.

Question 14

Why does hearing deteriorate when you get old.

Answer 14

Because your eardrums are less flexible.

Question 15

Name two parts of a sound wave.

Answer 15

Crest

Trough

Question 16

Which is louder?

A ~~~~~~~~~~~~~~~~~~~

B ()()()()()()()()()()()()()()()()()()()()()()()(

Answer 16

B

Question 17

Which has a higher frequency?

A IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
B I I I I I I I I I I I I I I I I

Answer 17

A

Question 18

The angle of incidence (for reflection) is equal to the…

Answer 18

Angle of reflection

Question 19

——————————I——————————
I
I
What is this? ➡️ I

Answer 19

The normal

Question 20

Name 4 things about a vertical image.

Answer 20

1. Upright
2. Same size
3. Same distance from mirror
4. Laterally inverted

Question 21

Why is a green jumper green?

Answer 21

Because it absorbs all colour but green

Question 22

What are the primary colours?

Hint-in science, not art

Answer 22

Green
Blue
Red

Question 23

What are the secondary colours?

Hint - in science, not art

Answer 23

Yellow
Cyan
Magenta

Question 24

How do you get yellow?

Answer 24

Green and red

Question 25

Which colour absorbs all colours?

Answer 25

Black

Question 26

Which colour reflects all colour?

Answer 26

White

Question 27

A blue coat …… all colour but blue.

Answer 27

Absorbs

Question 28

A red jumper ……….. red.

Answer 28

Reflects

Question 29

What can hearing aids do?

Answer 29

Amplify the noise

Send vibrations to the brain

Question 30

The whole in our eyes is called a….

Answer 30

Pupil