← SetsGrade 7 Science Q3: Heat, Light & Sound — Set 1
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Grade 7 Science Q3: Heat, Light & Sound Practice Questions — Set 1
10 free Grade 7 Science Q3: Heat, Light & Sound reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama — kasama na ang paliwanag. Set 1 of 4.
1
Which of the following is an example of a longitudinal wave?
2
What refers to the maximum displacement of a particle from its rest position in a wave?
3
If the frequency of a wave is 10 Hz, how many cycles occur in one second?
4
Through which medium does sound travel fastest?
5
Why can't sound travel through space (a vacuum)?
6
Which property of sound is determined by the frequency of the vibration?
7
What happens to light when it travels from air into water?
8
Which color of the visible light spectrum has the shortest wavelength and the highest frequency?
9
What is the primary method of heat transfer in solid metal objects?
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