The period of a pendulum may be decreased by

shortening the length of pendulum

increasing the length of pendulum

What variable affects the period of the pendulum?

All variables (amplitude, mass, and string length)

Chloe is designing a device to communicate across a distance by using sound. She is doing some research before she decides on her design plan. She looks at a magnified diagram of the particles in a solid, liquid, and gas, as shown. Chloe needs her device to communicate sound quickly. Using the diagram, what information will help Chloe create the fastest communication device?

Sound waves travel the fastest in a solid because the particles are the closest together.

Chloe needs her device to communicate sound quickly. Using the diagram, what information will help Chloe create the fastest communication device?

Sound waves always travel at the same speed in a solid and a liquid.

Sound waves travel the fastest in a gas because the particles are the farthest apart.

Adelyn is designing a device that will communicate simple messages using sound waves. She fills four glass bottles with different amounts of water. The picture shows part of her device. She will tap different bottles with a spoon to create sound waves to send different messages. Why does Adelyn put different amounts of water in each bottle?

She will be able to create different pitches of sound.

She will be able to create different speeds of sound.

She will be able to create different lengths of sound.

She will be able to create different volumes of sound.

Dionne and Zoe are partners in science class. They have been asked to design a device that will communicate sound across a distance. Dionne thinks their device would work best if they used some kind of solid object to transfer the sound across a distance. Zoe, on the other hand, thinks their device would work better if it used the air to transfer the sound. Who is correct? Why?

Dionne because sound vibrations travel best through the particles in solids

Zoe because sound vibrations travel best through the particles in air

Dionne because sound vibrations cannot travel through the particles in air

Zoe because sound vibrations cannot travel through the particles in solids

Science Vibrations

Quiz

•

Physics

•

8th Grade

•

Practice Problem

•

Easy

•

NGSS

MS-PS4-1, HS-PS4-1, MS-PS2-4

+6

Standards-aligned

Charles Martinez

Used 1+ times

FREE Resource

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A string vibrates and produce 100 vibrations in 10 s. What is the frequency of the string?

0.1 Hz

1 Hz

10 Hz

1000 Hz

Tags

NGSS.HS-PS4-1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is mean by period?

Number of vibration in certain time

Distance from peak to peak

Time taken to complete one vibration

The largest displacement from equilibrium position

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A bee flies and the wings has frequency 20 Hz. What is the period of the wings?

0.1 s

1 s

0.5 s

0.05 s

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Sound wave categorized as ...

transversal wave

electromagnetic wave

heat wave

longitudinal wave

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The pendulum is released from A. One complete vibration is ...

from A to D

from A to G

from A back again to A

from A to F

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A sound is a vibration created by an object that travels through a medium, like air.

true

false

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

wavelength is

the distance between two consecutive points on a wave that are moving in the same way.

a disturbance that repeats regularly in space and time and that transmit energy from one place to the other with no transfer of matter

energy from the wind that causes a turbine to turn in order to generate electricity

the vertical force exerted by a mass as a result of gravity

Tags

NGSS.MS-PS4-1

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Science Vibrations

26 questions

A string vibrates and produce 100 vibrations in 10 s. What is the frequency of the string?

What is mean by period?

A bee flies and the wings has frequency 20 Hz. What is the period of the wings?

Sound wave categorized as ...

The pendulum is released from A. One complete vibration is ...

A sound is a vibration created by an object that travels through a medium, like air.

wavelength is

This wave is a

This wave is a

Perhatikan gambar menunjukkan sebuah pegas yang diberi beban yang sedang bergetar. Pegas dan beban melakukan satu getaran apabila bergerak dari...

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