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Year 8 Science Homework Week 1
By Naomi Arthur
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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.
State the stored energy in an object that is held high up in the air
Kinetic
thermal
Gravitational potential
light
Question 3
3.
Define dependent variable
the one we change
the one we measure
the one that stays the same
Question 4
4.
Convert 35cm into mm
350mm
350m
3500mm
35m
Question 5
5.
Which quantity tells us the number of waves produced per second?
Wavelength
Amplitude
Frequency
Wave speed
Question 6
6.
What quantity tells us the distance between two corresponding waves, measured in metres (m)?
Wave distance
Wave amplitude
Wavelength
Amplitude
Question 7
7.
Describe the oscillations in a transverse wave
Question 8
8.
Define anomalous result
Question 9
9.
Sound is an example of a….
Transverse wave
Longitudinal wave
water wave
Question 10
10.
A sound with a low pitch has ….
High frequency
Low frequency
No frequency
Question 11
11.
An oscillation with a high amplitude has a…
High volume
Low volume
No volume
Question 12
12.
The unit for sound is….
Seconds (s)
Becquerels (Bq)
Joules (J)
Decibels (Db)
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.
The particles between the source and detector is called the…
Atmosphere
Medium
Space
Oscillations
Question 17
17.
Can sound travel through a vacuum?
Sometimes
Yes
No
Question 18
18.
Sound waves travel by…
Convection
Conduction
Radiation