Science 9 Week MP2

Front

What makes sound?

Back

Sound is made by vibrating matter.

Front

What is an example of a sound made by vibrating matter?

Back

Speaking is an example of sound made by vibrating matter.

Front

What sound tells us there is an emergency?

Back

A fire alarm tells us there is an emergency.

Front

Why does the moon appear brighter?

Back

The moon appears brighter because it is reflecting more sunlight.

Front

How can you stop a bell from ringing?

Back

You can stop a bell from ringing by stopping the shaking.

Front

What device helps us talk to people far away?

Back

A cell phone helps us communicate from far distances.

Front

What happens when you speak?

Back

When you speak, your vocal cords vibrate, creating sound.

Front

What is reflection in terms of light?

Back

Reflection is when light bounces off a surface, like the moon reflecting sunlight.

Front

What is a fire alarm?

Back

A fire alarm is a device that makes a loud sound to warn us of fire.

Front

What is vibration?

Back

Vibration is a rapid back-and-forth movement that creates sound.