Amplify Thermal Energy Unit REview

If this drink is sitting outside on a hot, sunny day, name two reason why the drink won't stay cold.

• radiation - from the sun is heating the glass

• conduction - the table beneath the glass is heating

• convection - the air is moving in a circle pattern around

• conduction - the straw is heating up

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Select all systems where energy will transfer when Sample A and Sample B are moved into contact. Select all that apply.

• System 1

• System 2

• System 3

• System 4

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Why is proposal #1 the worst solution and proposal #2 the best solution? Select all that apply.

• Proposal #1 has less kJ energy to give than proposal #2.

• Proposal #2 has more kJ energy to give than proposal #1.

• Proposal #1 heats the school for half the day.

• Proposal #2 heats the school for the whole day.

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Do You Understand this slide?

• Yes

• NO

• Maybe

If the molecules of a sample speed up, what else happens?

• The temperature of the sample decreases.

• The temperature of the sample increases.

• The temperature of the sample stays the same.

• The temperature of the sample does not exist.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

When two samples come in contact the energy will flow

• from the cold one to the warmer one.

• from the warmer one to the cooler one.

• energy does not move.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

transfer

• energy that moves

• to move from one object to another or one place to another

• the ability to make things move or change

Tags

NGSS.MS-PS3-5

Kekoa made a pot of applesauce, then put it into containers to store it. The containers are placed in two separate stacks. The diagram above shows the containers of applesauce before they touch each other.

After a while, which of the two top containers will be cooler, and why?

• The smaller top container will be cooler than the larger top container, because less energy has to transfer for the molecules to reach the same temperature as the molecules of the bottom container.

• Both top containers will be the same temperature, because both of the bottom containers have the same amount of energy to transfer and the molecules in the top containers started with the same energy.

• The larger top container will be cooler than the smaller top container. It started with more total energy, so less energy has to transfer for both containers in the stack to reach the same total energy.

• The larger top container will be cooler than the smaller top container, because the energy that transferred to it is spread out over more molecules.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?

• Solar radiation heated the driveway and then heat transferred to the crayon by conduction.

• Solar radiation heated the driveway and then heat transferred to the crayon by radiation.

• Solar convection heated the driveway and then heat transferred to the crayon by radiation.

• Solar convection heated the driveway and then heat transferred to the crayon by conduction.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When I put corn in a pot of boiling water, the average speed of the molecules that make up the corn gets faster.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4