Law of Conservation of Energy

How is mechanical energy measured?

• Watts (W)

• Newtons (N)

• Joules (J)

• Pascals (Pa)

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

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-PS3-2

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS3-4

As a roller coaster goes downhill

• kinetic energy is converted into potential energy.

• potential energy is converted into kinetic energy.

• electrical energy is converted into potential energy.

• potential energy is converted into electrical energy.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What form of energy does a compressed spring have?

• heat energy

• kinetic energy

• chemical energy

• potential energy

Tags

NGSS.MS-PS3-2

Imagine dropping a basketball. When would it have the most gravitational potential energy?

• When it is closest to the ground
• When it is at the highest point
• When it is halfway down
• It has the same amount of gravitational PE at all points

Tags

NGSS.MS-PS3-2

Where does the pendulum have the most kinetic energy?

(select ALL that apply)

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The sum of the potential energy and the kinetic energy in a system.

• mechanical energy

• thermal energy

• work energy

• energy transfer