Energy Change

The law of conservation of energy states ____________.

• that energy cannot be created or destroyed

• that energy can be created, but not destroyed

• that energy can be destroyed

Tags

NGSS.MS-PS3-5

What is conduction?

• direct contact

• heat waves/light waves

• movement or air or liquids

Tags

NGSS.MS-PS3-3

What is convection?

• direct contact

• heat waves/light waves

• movement or air or liquids

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is radiation?

• direct contact

• heat waves/light waves

• movement or air or liquids

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is an example of radiation?

• Touching a hot spoon that was in a soup bowl.

• Feeling the suns rays on a nice summer day.

• Touching an iron skillet after cooking and feeling the heat.

• Movement of gas in a hot air balloon.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A barefoot student steps on a hot concrete surface. As a result, heat is transferred to the student’s skin. This is the process of _______.

• convection

• conduction

• vaporization

• radiation

Tags

NGSS.MS-PS3-3

Motion energy is transferred from a bowling ball to bowling pins when the moving ball hits the pins. This is an example of a/an _______.

• energy transfer

• energy transformation

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

As a girl is rolling down a grassy hill, _______ energy is being converted into _______ energy.

• chemical, thermal

• stored mechanical/elastic, radiant

• gravitational, motion/mechanical

Tags

NGSS.MS-PS3-5

If your hand hits a volleyball, the motion energy of your hand is transferred to the ball. This is an example of an _______.

• energy transformation

• energy transfer

Tags

NGSS.MS-PS3-5

If you feel the hood of a car after taking a drive, you will notice that it feels warm. A car gets chemical energy to move from gasoline, but some of the chemical energy changes to _______ energy.

• solar

• thermal

• wind

• sound

Tags

NGSS.MS-PS1-4