Unit 9 Energy Transfer Review

A person can produce a fire by rubbing two sticks together. Which of the following would NOT make it easier to produce fire with two sticks?

• Pushing the sticks together very hard while you rub them

• Keeping the area free from wind

• Dipping the sticks in water first

• Rubbing the sticks together very fast for a long time

Tags

NGSS.MS-PS3-4

As an eraser from a pencil rub against the paper, which of the following will result?

• Pencil shavings

• No friction

• Heat

• Fire

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Which of the objects below would produce the MOST heat when rubbed together?

• rubbing lip balm on your lips

• rubbing soapy hands together

• rubbing lotion on your hands

• rubbing dry hands together

Tags

NGSS.MS-PS3-5

Ben's soccer game is early one morning when it is still very cold outside. She wants to warm her hands. Which can she do to produce heat?

• Wave her hands in the air

• Sit on her hands

• Blow on her hands

• Rub her hands together

Tags

NGSS.MS-PS3-5

Many playground slides are made of metal. Metal is a good material for slides because it does not generate a lot of hear when items rub it. Which other material would be good for playground slides?

• Sand

• Concrete

• Carpet

• Plastic

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-3

If a ball is rubbed with the same force each time over several surfaces, on which surface would the LEAST amount of heat be produced?

• Ice rink

• carpet

• gravel road

• paved road

The electricity goes out during a storm. Which of the following items will produce heat and light energy?

• An electric lamp

• A flashlight

• a room fan

• An oven

Mrs. Benson is rubbing her hands together quickly. When she stops, how do her hands most likely feel?

• Very cold

• A Little bit cooler

• Hot

• The same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Kate is rubbing her hands together quickly. When she stops, how do her hands most likely feel?

• very cold

• little bit cooler

• hot

• the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Parker slid across the carpet while trying to catch his dog. He looked down and saw that his knees were now red. What reason best explains what caused his knees to turn red?

• Heat was produced as Parker's knees and the carpet rubbed together.

• Heat was produced as Parker's knees rubbed against the dog's fur.

• Parker's knees were red from falling down outside earlier that day.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3