Science of Sound/Missing Echo Worksheets

(

)

Science of Sound/Missing Echo For Google Apps

As students develop better reading and comprehension skills they will be able to do a deeper analysis about what they read. They will also develop higher level critical thinking skills. These paired text are a great way to increase these skills. Fourth graders will read the text and then answer comprehension questions. They will also use the thinking skills to answer the questions on contrast and comparison. After completing the questions students will choose one of the writing prompts to write on. It can be expository, a narrative or an opinion piece.

Sound is a type of energy that travels in waves. These waves are created when something vibrates. Sound is all around us, helping us communicate, enjoy music, and stay safe. Whether it’s a fire alarm or your favorite song, sound plays an important role in our lives.
What causes sound waves to form?
How does sound travel through your ear?
Why does sound travel faster through solids than through air?
What are decibels used to measure?
What affects the pitch of a sound?

Liam loved exploring the forest behind his house. One afternoon, he discovered a strange cave tucked between two giant trees. *Hello!* he shouted into the cave, expecting to hear his voice bounce back. But there was no echo. *That’s weird,* Liam whispered. He had learned in science class that sound waves bounce off hard surfaces like cave walls. So why wasn’t his voice coming back?

What did Liam expect to hear in the cave?
Why didn’t Liam hear an echo?
How did Liam figure out what was happening?
What did Liam and Mandy do to test the cave?
What did Liam learn from his experience?