Heat Transfer Warm Up

A boy touches a stove and gets burned. What transfer of heat caused his hand to get burned?

• radiation

• conduction

• convection

• combustion

Which is an example of radiation?

• boiling a pot of noodles for dinner

• getting hot from lying in the sun

• feeling warm while taking a hot shower

• burning yourself after touching a hot plate

Which best describes how heat is transferred?

• Heat only flows within individual substances.

• Heat flows from a warmer substance to a cooler substance.

• Heat flows from a cooler substance to a warmer substance.

• Heat flows in many different directions between substances.

Tags

NGSS.MS-PS3-3

Which of the following is an example of convection?

• a hot object transferring heat to a cooler one

• hot air rising and cooler air falling

• the rays of the Sun warming the earth

• getting a sunburn

Tags

NGSS.MS-ESS2-6

A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?

• combustion

• convection

• radiation

• conduction

People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire?

• The heat from the fire travels through the ground and heats the ground around the people.

• The heat from the fire is conducted through air molecules to the people.

• The heat from the fire rises in the air and then settles around the people.

• The heat from the fire radiates to the people and warms them.

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

What is the best definition of density?

• How hot or cold something is.

• A measure of how fast molecules are moving.

• How close together the molecules in a substance are.

Which layer is the MOST dense?

• Edible oil

• Dishwashing liquid

• Syrup

• Honey

Tags

NGSS.MS-PS1-2

Rocks sink because they are

• the same density as the water

• less dense than the water

• more dense than the water

• because they're round