Big Idea 10 mini

A student is studying about the different types of energy in science class. What are the types of energy produced by a light bulb?

• heat and light

• motion and light

• electrical and light

• magnetic and light

Pete likes to play the drums. When he strikes the drum with a drumstick a sound is made. He tightens the drumhead in order to change the sound. How will tightening the drumhead affect the sound?

• the volume will be louder

• the pitch of the drum will be higher

• the sound of the drum will not change

• the pitch of the drum will be lower

The turbine below is used to generate electricity.

What is the source of energy that causes the blades of the turbine to move?

• coal

• electrons

• water

• wind

Which of these items has the energy of motion?

• bicycle

• flashlight

• radio

• stove

Tags

NGSS.MS-PS3-1

Akena went camping with her family. One evening she and her mother walked down to a fishing pier on a nearby lake to feed some fish. Akena wanted to see what was happening, so she turned her flashlight on and pointed it at the water.

What statement BEST describes the path the light from Akena's flashlight will take?

• the light will travel in the same straight line through the air and water

• the light will travel first in a straight line but bend when it hits the water

• the light will bend in the air and then travel in a straight line when it hits the water

• the light will travel in a straight line and then reflect back towards Akena when it hits the water

Tags

NGSS.MS-PS4-2

Vanessa plucked two strings on her guitar. The sound from the first string had a higher pitch than the sound from the second string. Why did the first string produce a higher pitch than the second string?

• the first string was vibrating faster than the second

• the first string was vibrating slower than the second

• the first string was vibrating softer than the second

• the first string was vibrating harder than the second

Tags

NGSS.MS-PS4-1