Science & Social Studies
Sound & Its Properties
Grade 5 · Elementary
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
Sound is produced by an object that ...
- Question 2 of 20Easy
Sound cannot be heard in a vacuum because sound ...
- Question 3 of 20Medium
Sound travels fastest through ...
- Question 4 of 20Medium
The pitch of a sound is determined by its ...
- Question 5 of 20Hard
In the mountains, a shout is often heard again after a moment. This reflected sound is called an ...
- Question 6 of 20Easy
The human sense organ used to hear sound is the ...
- Question 7 of 20Easy
The part of the ear that vibrates first when receiving sound is the ...
- Question 8 of 20Easy
Sound that is regular and pleasant to hear is called ...
- Question 9 of 20Easy
The larger the amplitude of a sound source's vibration, the ... the sound is.
- Question 10 of 20Medium
A reflected sound heard almost together with the original, making the sound seem prolonged, is called ...
- Question 11 of 20Medium
Lightning is seen before thunder is heard. This shows that ...
- Question 12 of 20Medium
A soundproof room in a music studio is made so that ...
- Question 13 of 20Medium
Sound vibrations with a frequency above 20,000 Hz are called ...
- Question 14 of 20Medium
Timbre lets us distinguish ...
- Question 15 of 20Medium
A struck drum produces sound. The part that vibrates is the ...
- Question 16 of 20Hard
Echoes reflected by the seabed can be used to ...
- Question 17 of 20Hard
A low pitch is produced by a sound source that vibrates with a ... frequency.
- Question 18 of 20Hard
A struck tuning fork dipped in water makes the water splash. This proves that sound ...
- Question 19 of 20Hard
Inside an empty cave, our voice echoes because ...
- Question 20 of 20Hard
Dolphins use reflected sound (echolocation) to ...