Year 7 Waves retrieval

Quiz by Andrea French

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42 questions
• Q1
Michelle said "The sound will travel fastest through the solid". What has Michelle made?
An evaluation
A hypothesis
A conclusion
A prediction
60s
• Q2
Ashan measured the height the ball bounced at. He did it three times. Why should we repeat our experiments?
It's fun.
To make it work.
To take an average of the results.
To see what happens.
60s
• Q3
How does the ear drum detect the sound?
It vibrates
It snaps
It moves
It bends
60s
• Q4
How do the particles in a sound wave move?
Up and down and 90 degrees to the direction of the wave
Up and down in the direction of the wave
To and fro in the direction of the wave
To and fro at 90 degrees to the direction of the wave
60s
• Q5
Which will you experience first?
Light and sound
The light
The vibration
The sound
60s
• Q6
What is the frequency of a sound wave which has a time period of 20 seconds. (Frequency = 1 ÷ time period)
1 x 20 = 20 Hz
20 + 1 = 21 Hz
20 ÷ 1 = 20 Hz
1 ÷ 20 = 0.05 Hz
60s
• Q7
No light passes through this apple because it is...
Solid
Transparent
Translucent
Opaque
60s
• Q8
What angle does the light reflect off the mirror at?
90 degrees
80 degrees
180 degrees
10 degrees
60s
• Q9
What angle does the light reflect off the mirror at?
180 degrees
80 degrees
35 degrees
90 degrees
60s
• Q10
What angle does the light reflect off the mirror at?
50 degrees
180 degrees
90 degrees
80 degrees
60s
• Q11
Why can't we see our reflection from a piece of paper?
The light refracts towards the normal
The light scatters in different directions
The piece of paper is opaque
The light reflects in one direction
60s
• Q12
Why can't we see our reflection from a piece of paper?
The light scatters in different directions
The light reflects in one direction
The light refracts towards the normal
The piece of paper is opaque
60s
• Q13
What does diffuse reflection mean?
The piece of paper is opaque
The light reflects in one direction
The light refracts towards the normal
The light scatters in different directions
60s
• Q14
In a solar eclipse what blocks the light from the Sun?
The Earth
The moon
The atmosphere
The Sun
60s
• Q15
In a solar eclipse what blocks the light from the Sun?
The Sun
The atmosphere
The moon
The Earth
60s

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