← SetsGrade 7 Science Q3: Heat, Light & Sound — Set 4
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Grade 7 Science Q3: Heat, Light & Sound Practice Questions — Set 4
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 4 of 4.
31
What is the primary function of a lens in an optical instrument like a camera?
32
Which instrument is used to measure temperature?
33
What does the 'quality' or 'timbre' of a sound allow us to do?
34
Which of the following is NOT a characteristic of a mechanical wave?
35
What is the freezing point of water in Celsius?
36
What do we call a material that allows some heat to pass through but not easily?
37
Which of the following is true about white light?
38
What property of a sound wave changes as it gets louder?
39
If you are standing 2 meters in front of a plane mirror, how far is your image from you?
40