Radz Unit 6: Heat Sources

Jace takes some bread out of the oven. What reasoning tells why he uses oven mitts?

• His hands will look better

• His hands are cold

• He wants to keep clean

• He wants to protect his hands from the heat

A mover pushes a box up a ramp.

Which produces the MOST heat?

• box moving against the ramp

• ramp sitting against the truck

• wind pushing against the box

• mover's hands on the box

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

At a party, there are ice cream, balloons, and a cake with lit candles. Which MOST LIKELY has the highest temperature?

• balloon

• bowl

• candle

• ice cream

Gavin sets a bowl of hot soup on a table. Which statement BEST describes what happens when she puts the spoon in the soup?

• The air's temperature will descrease

• The soup's temperature will increase

• The bowl's temperature will increase

• The spoon's temperature will increase

Tags

NGSS.MS-PS1-4

How do gloves protect people's hands from friction?

• They prevent blisters

• They keep hands clean

• They keep germs off

• They prevent scratches

Jayce has a beaker filled with ice and water. How will heat move to melt the ice?

• from the ice into the water

• from the water into the ice

• from the water into the air

• from the beaker into the air

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At a party, there are ice cream, balloons, and a cake with candles. Which direction has the greatest heat movement?

• air to ice cream

• cake to candles

• balloon to air

• ice cream to air

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

David has a glass filled with ice and water. How could he make the ice melt more quickly?

• add more ice

• put a book under the glass

• put the glass under the lamp

• put the glass in a closet

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Rosynel's family is cooking lunch on an outdoor grill. Which things are giving off heat?

• the coals and the air

• the food and the flames

• the grill and the food

• the coals and the flames

Which action creates the MOST friction and heat?

• gently brushing face paint onto your cheeks

• rubbing your bare hands together numerous times

• rubbing your soapy hands together underwater

• smoothing hand lotion onto the palms of your hands