SOUND ENERGY 09/27

4th Grade Science
Topic 3 Energy
Lesson 3

September 27, 2024

2

Do Now

Maria goes to Padre Island. She observes the large waves for some time. Identify two ways the
ocean waves she sees can transfer energy. Explain your reasoning.

Ocean waves can transfer energy to the shoreline and

____________________________________________________.

Ocean waves transfer energy when they _________ and this can

be seen by ___________________________________________

____________________________________________________.

Word Bank

move
stop

3

Energy

LO: SWBAT investigate and identify the transfer of
energy by objects in sound.

DOL: Given scenarios, SW correctly identify the transfer
of energy by objects in sound in at least 4 of 5
questions.

SCI.4.8A Investigate and identify the transfer of energy by objects in motion, waves in water, and sound;
SEPs
RTCs

4

Essential Understandings &

Guiding Questions

How does energy transfer by sound?

5

Lesson Vocabulary

sound energy

vibration

5

Lesson Vocabulary

6

What causes the liquid to

move?

How can we gather evidence
that sound transfers energy?

Sound Energy

6

What causes the liquid to

move?

How can we gather evidence
that sound transfers energy?

Sound Energy

Multiple Choice

Sound is a form of? 

• energy
• pitch
• volume

Multiple Choice

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Multiple Choice

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

Multiple Choice

Vibrating vocal chords causes sound energy when a person speaks.

• True
• False

Multiple Choice

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

7

Sound Energy and Dancing Salt

Empty tissue box &

tissue paper

Rubber bands

Cup

Salt

8

Sound Energy and Dancing Salt

Action: What I Did

Observations: What I Noticed

Does each rubber band make

the same sound when
plucked? Explain your

reasoning.

What form of energy do the

rubber bands produce?

What causes the salt to move
when the instrument’s strings

are plucked?

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Energy Transfer

Describe the transfer of energy in the image.

The energy from
the drummer is
transferring to the
drum.

This happens
when the
drummer hits the
drum.

Photo credit: Dejan Dundjerski/Shutterstock

Copyright © Savvas Learning Company LLC. All Rights Reserved. Savvas is not responsible for any modifications made by end users to the content posted in its original format.

How does energy transfer by sound?

Sound energy is a form of energy we can hear.
Sound is caused when objects vibrate. Sound energy from the
speaker transfers to the red balls to make them move.

Photo credit: Hairover/Shutterstock, 7Konstantin7/Shutterstock

Copyright © Savvas Learning Company LLC. All Rights Reserved. Savvas is not responsible for any modifications made by end users to the content posted in its original format.

Energy Transfer by Sound

Add an arrow to predict the direction sound energy will transfer
from the speaker.

Photo credit: agoi2/Shutterstock

12

13

14

Energy Transfer by Sound

Investigate how to make sound with your vocal cords. Place
your fingers on your throat and talk or hum. Describe what you
feel. Then use your knowledge of energy transfer to explain how
what you feel is related to what you hear.

15

When a guitar string is plucked, how is sound energy
produced?

A) By the string absorbing light

B) By the string vibrating and transferring energy to surrounding

air particles

C) By the string cooling down rapidly

D) By the string breaking

Energy Transfer by Sound

16

DOL: Given
scenarios, SW
correctly identify the
transfer of energy by
objects in sound in at
least 4 of 5
questions.

Demonstration of Learning

●Some images used in this lesson are taken from Adobe Stock. Adobe Stock
https://stock.adobe.com

●Some images used in this lesson are taken from Great Minds. Great Minds
https://digital.greatminds.org

●Some images used in this lesson are taken from SAVVAS realize. SAVVAS
realize https://www.savvasrealize.com

17

Copyright for Reference