HEAT ENERGY REVIEW

What is an example of friction being converted into heat energy?

• the sun

• a generator

• a Snickers bar

• rubbing your hands together

Tags

NGSS.MS-PS3-5

When a TV is turned on, it converts electrical energy into many other forms of energy. Which set of words correctly lists MOST of these forms?

• sound and heat

• sound and light

• light, sound, and heat

• light, sound, and electricity

Marie's father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were burning. In this case, what is the stored chemical energy in the logs changed into?

• electrical energy

• mechanical motion

• heat and light energy

• electrical and heat energy

Tags

NGSS.MS-PS3-3

Which example shows electrical energy being transformed into heat energy?

• burning a wax candle

• a small toaster oven toasts a bagel

• rubbing two sticks together

• sunlight heating a metal door

Jeanna made an electric circuit and placed a thermometer near her light bulb. After the light bulb was turned on for an hour, what did she most likely observe?

• The bulb glows brighter over time

• The temperature in the thermometer went up

• The temperature in the thermometer went down

• Both the light and temperature remained the same over time

Tags

NGSS.MS-PS1-4

Ally wants to bake cookies in her electric oven. The oven will transform electrical energy into ________ energy

• heat

• light

• motion

• sound

The power goes out during a storm at Amy's house. Her mother lights a candle so they can see. Amy opens a bottle of water to drink. Her dad listens to the radio. Which object is producing the most heat energy?

• radio

• burning candle

• bottle of water

• none of them produce heat

Which of the following transforms electrical energy into heat?

• electric blanket

• refrigerator

• flashlight

• table lamp

Sue's teacher provided the class with a number of objects. He asked the class to determine which objects might give off heat. What observation would help Sue predict which obejct gives off heat?

• She can feel the texture of the objects

• She can look at the shape of the objects

• She can measure the masses of the objects

• She can observe the light made by the objects

Tags

NGSS.MS-PS1-4

Sally made breakfast for the family on Saturday morning. She put some bread in the toaster. When the bread popped up, she grabbed the toast and noticed it was HOT. What was the source of the heat that made the bread hot?

• burning

• electricity

• friction

• sound

Tags

NGSS.MS-PS1-4