Rex is building a campfire. He starts with wood, lights the fire, and uses the fire to roast a marshmallow. What type of energy causes the marshmallow to brown?

• heat

• light

• magnetic

• sound

Tags

NGSS.MS-PS1-4

When a straw is placed into a glass of water why does it appear broken?

• Light travels in a straight line

• Light is reflected

• Light is refracted

• Light is absorbed

Tags

NGSS.MS-PS4-2

While standing in a large empty room, Lisa can hear her voice echoing as she speaks. Which most likely causes the echo?

• Sound is absorbed

• Sound is reflected

• sound is refracted

• Sound is broken

Tags

NGSS.MS-PS4-2

A lamp is switched on and the bulb begins to glow. Which types of energy are being released?

• heat and light

• sound and light

• heat and magnetic

• magnetic and sound

Guitars are built to control which type of energy?

• heat

• light

• sound

• magnetic

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What will happen to light rays when they hit a glass that has a smooth, shiny surface?

• The rays will converge

• The rays will scatter

• The rays will refract

• The rays wil reflect

Tags

NGSS.MS-PS4-2

Which best describes the type of energy released when the teacher rings a bell?

• electrical

• heat

• sound

• light

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Two campers put hot dogs on sticks. They held the hotdogs over a campfire. What type of energy cooks the hotdogs?

• electrical

• heat

• light

• mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the direction of of heat transfer?

• from hot to cold

• from bottom to top

• from cold to hot

• from side to side

Tags

NGSS.MS-PS3-5

How is heat transferred in solid materials?

• through convection

• through radiation

• through conduction

• through vacuum