S7U4R

S7U4R

7th Grade

10 Qs

quiz-placeholder

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S7U4R

S7U4R

Assessment

Quiz

Science

7th Grade

Practice Problem

Hard

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10 questions

Show all answers

1.

DRAG AND DROP QUESTION

1 min • 1 pt

The loudness of a sound depends on the​ ​ (a)  

amplitude of sound waves
frequency of sound waves
pitch of sound
reflection of sound

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The speed of sound in solids is usually _______ the speed of sound in liquids.

greater than

less than

same as

sometimes greater and sometimes smaller

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The speed of sound in gases is usually _______ the speed of sound in solids.

same as

greater than

less than

sometimes greater and sometimes smaller

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which medium does sound travel the fastest?

solids

liquids

gases

vacuum

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is the unit of loudness of sound?

Decibel (dB)

Newton (N)

kilogram (kg)

hertz (Hz)

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Sound ​​ (a)   has the smallest amplitude.

D
A
B
C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sound waves can travel through which of the following?

Only gases and solids

Only liquids and solids

Gases, liquids, and solids

Only gases and liquids

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