Dec. 2

To make things move, you need a −

• force.
• strong magnet.
• metal object.
• helper.

Tags

NGSS.MS-PS2-2

Gravity is a force that ─

• pulls objects down.
• pulls objects toward the center of the Earth.
• pushes objects into the air.
• has no effect on objects.

Tags

NGSS.5-PS2-1

What has to be true about an object for it to have kinetic energy?

• it must be moving

• it must be elevated

• it must be experiencing a net force

• it must be accelerating

Tags

NGSS.MS-PS3-1

All of the following are examples demonstrating mechanical energy EXCEPT –

• an oven cooking food.
• a fan blowing out air. 
• a boy riding a bicycle.
• a girl writing with a pen.

Tags

NGSS.4-PS3-1

What is potential energy?

• the energy an object has due to its position or condition
• the energy an object has due to its motions
• the energy an object has due to its chemical composition
• theh energy an object has due to its atomic structure

Tags

NGSS.MS-PS3-2