Conservation of Energy Mechanical Energy

According to the law of conservation of energy, the total amount of energy in the universe ____.

• remains constant

• changes constantly

• increases

• decreases

Tags

NGSS.MS-PS3-4

When you put on the brakes of a bicycle, friction causes some of the mechanical energy to transfer to thermal energy.

• True

• False

Tags

NGSS.MS-PS3-5

According to the law of conservation of energy, energy can be created or destroyed.

• True

• False

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which equation is correct?

• mechanical energy = kinetic energy – potential energy

• mechanical energy = potential energy – kinetic energy

• mechanical energy = kinetic energy + potential energy

• mechanical energy = kinetic energy × potential energy

Tags

NGSS.MS-PS3-4

The Law of Conservation of ​ ​ (a)   states that energy ​ (b)   be ​created or ​ (c)  

• Energy

• cannot

• destroyed

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

By the law of conservations of ​ (a)   ​, energy cannot be created or ​ (b)   .

• destroyed

• energy

• matter

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Law of conservation of ​ (a)   : Whenever energy is ​ (b)   from one form to another in a physical or ​ (c)   change, no energy is created or ​ (d)   .

• converted

• chemical

• destroyed

• energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Energy cannot be ​ (a)   or ​ (b)   just ​ (c)   .

• created

• destroyed

• transformed

Tags

NGSS.HS-PS3-4

The Law of ​ (a)   of ​ (b)   states that energy cannot be ​ (c)   or ​ (d)   , only ​ (e)   .

• Conservation

• Energy

• created

• destroyed

• transformed

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The law of conservation of energy states that energy ​ (a)   be created or destroyed, but that it ​ (b)   change forms or move.

• can not

• can

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5