Conservation of Energy

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

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

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

What is mechanical energy?

• It is what metal creates when heated.
• All potential and kinetic energy in a system.
• It is motion of all matter.
• Energy of momentum.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What does the Law of Conservation of Energy state?

• Energy cannot be created or destroyed
• Nothing can exchange energy
• Energy will increase over time.
• Energy will decrease over time.

Tags

NGSS.MS-PS3-5

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

Tags

NGSS.MS-PS3-2

What kind(s) of energy is(are) in a person climbing a ladder?

• Potential
• Kinetic
• Both

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-2

A 40 kg crate is picked up by a crane to a height of 50m. The crate falls. What is the velocity of the crate just before it hits the ground?

• 2000 Joules
• 19,600 Joules
• 19,600 m/s
• 31.3 m/s

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-2

Which of the following best describes the energy transfer that takes place when you use a battery?

• Chemical PE -> Electrical
• Electrical -> Chemical PE
• Nuclear PE -> Electrical
• Electrical -> Nuclear PE

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

The Law of Conservation of Energy states that energy is never __________________ or _________________, only transferred.

• created, destroyed

• created, subtracted

• added, subtracted

• destroyed, subtracted

Tags

NGSS.MS-PS3-5