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Year 8 Science Homework Week 1

Last updated over 4 years ago

18 questions

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Question 1

1.

What does the law of conservation of energy state cannot happen to energy?

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Describe the oscillations in a transverse wave

Question 8

8.

Define anomalous result

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Describe the oscillations in a longitudinal wave

Question 14

14.

Describe the properties of a sound wave that was quiet and had a high pitch.

Question 15

15.

What happens to the particles surrounding the source.

Question 16

16.

Question 17

17.

Question 18

18.

State the stored energy in an object that is held high up in the air

Kinetic 

thermal 

Gravitational potential 

light

Define dependent variable

the one we change

the one we measure

the one that stays the same

Convert 35cm into mm

350mm

350m

3500mm

35m

Which quantity tells us the number of waves produced per second?

Wavelength

Amplitude

Frequency

Wave speed

What quantity tells us the distance between two corresponding waves, measured in metres (m)?

Wave distance

Wave amplitude

Wavelength

Amplitude

Sound is an example of a….

Transverse wave

Longitudinal wave

water wave

A sound with a low pitch has ….

High frequency

Low frequency

No frequency

An oscillation with a high amplitude has a…

High volume

Low volume

No volume

The unit for sound is….

Seconds (s)

Becquerels (Bq)

Joules (J)

Decibels (Db)

The particles between the source and detector is called the…

Atmosphere

Medium

Space

Oscillations

Can sound travel through a vacuum?

Sometimes

Yes

No

Sound waves travel by…

Convection

Conduction

Radiation