What is Energy?

Energy causes ___________ to occur.

• change

• motion

• age

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the ability to do work?

• sound

• energy

• vibration

• heat

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Heat energy flows from a warmer object to a colder object

• true

• false

What does electricity flow through?

• bones

• air

• wires

• rubber

Mechanical energy is stored energy + __________.

• frozen energy

• sound

• motion

• heat

The kind of energy an object has when it is NOT moving is called______________.

• mechanical

• force

• gravity

• stored

Applying a force to an object ALWAYS causes the object to move.

• True; Of course!

• False; only if it unbalances the forces acting on the object.  Example: Pushing on a wall does not unbalance the forces on the wall and so the wall does not move.

Which term describes a force exerted on an object causing it to move in the same direction as the applied force (like lifting a weight)?

• Acceleration

• Force

• Work

• Power

If a force does in fact move an object (like your hand pulling a wagon), then we say that _______ is done on the object.

• power

• mass

• work

• fission

If a force does NOT move the object (like pressing down on a tabletop) then ____ work is done.

• zero

• a little

• a lot

• maximum