CFE Review #2 (A) - Energy / Energy Transfer

When a popsicle melts, the particles in the popsicle _____.

• gain thermal energy and speed up

• there are no particles in popsicles

• lose thermal energy and slow down

• stay the same

Tags

NGSS.MS-PS1-4

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-5

The more particles an object has at a given temperature, the more thermal energy it has.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Object A is much larger than Object B, but both are made of the same material.  If both objects are at the same temperature, the thermal energy of Object A is THE SAME AS the thermal energy of Object B.

• True
• False

Tags

NGSS.MS-PS1-4

When heat is absorbed by an object, the speed of the particles in the object IS UNCHANGED.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The transfer of thermal energy from a warmer object to a cooler object is called ___________.

• Heat
• Temperature

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

NGSS.MS-PS3-3

________________is a measure of the average kinetic energy of the individual particles in an object. 

• Temperature
• Heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The amount of thermal energy in an object depends on its __________, the number of particles in it, and how those particles are arranged.

• Temperature
• Heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Tags

NGSS.MS-PS3-5

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

Tags

NGSS.HS-PS1-7

NGSS.HS-PS3-1

NGSS.HS-PS3-2