Conservation of Energy

The two main categories for energy are:

• Mechanical & Chemical

• Potential & Kinetic

• Kinetic & Mechanical

• Potential & Chemical

Tags

NGSS.HS-PS3-2

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

What are the units of energy?

• Watt

• Newton

• Joule

• Kelvin

Energy that is stored in a system, ready to be used, is called ____________ energy.

• Kinetic

• Potential

• Conserved

• Power

Tags

NGSS.MS-PS3-2

Energy in a system that is moving is called _______________ energy.

• Kinetic

• Potential

• Mechanical

• Power

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A skydiver jumps out of a helicopter. What is happening in terms of energy?

• He is gaining potential energy as he falls, and losing kinetic energy.

• He is gaining kinetic energy as he falls and losing potential energy.

• His kinetic and potential energy is always the same.

• He is gaining kinetic and potential energy at the same time.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The faster an object moves, the _______________ kinetic energy it must carry.

• more

• less

• constant

• varying

Tags

NGSS.MS-PS3-1

What is the KE at point B?

• 14 J

• 12 J

• 6 J

• 8 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the Total Energy of the system?

• 14 J

• 12 J

• 6 J

• 8 J

Tags

NGSS.HS-PS3-1

What is the GPE at point E?

• 14 J

• 12 J

• 6 J

• 8 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2