Introduction to Thermal Energy

Energy is _____ in an exothermic reaction.

• Released

• Absorbed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Energy is ______in an Endothermic reaction

• Released

• Absorbed

Tags

NGSS.MS-PS1-4

Lots of energy is being used for breaking bonds but NOT for speeding up the movement of the particles so the temperature____.

• Increases

• Decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Lots of energy is used when new bonds form. That heat energy speeds up the motion of the particles and the temperature of the reaction_____.

• Increases

• Decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A balloon placed in the freezer would ________its size due to the slowed molecules.

• Decrease

• Increase

Tags

NGSS.MS-PS1-4

Which is the definition for heat.

• The energy that moving molecules have.

• A measure of how fast molecules are moving.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The definition of temperature.

• The energy that moving molecules have.

• A measure of how fast molecules are moving.

Tags

NGSS.MS-PS1-4

Adding or removing thermal energy can change the state of an object?

• True

• False

Tags

NGSS.MS-PS1-4

Atoms constantly vibrate.

• True

• False

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

What type of reaction is this?

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5