Forces and Motion

True or False

Forces can make objects stop or start moving, slow down, speed up or change direction.

• True

• False

Tags

NGSS.MS-PS2-2

The force that pulls any two objects towards each other is...

• energy

• friction

• gravity

• inertia

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Potential Energy is

• the ability to do work

• something that makes work easier

• the energy that an object has because of position

• when you walk very fast

Tags

NGSS.MS-PS3-2

True or False

Friction causes objects to move faster or fly higher.

• True

• False

Tags

NGSS.MS-PS3-1

These are examples of simple machines (select all possible answers)

• wedge

• screw

• pulley

• water

• lever

True or False

A compound machine is made up of three or more simple machines.

• True

• False

What happens when a force makes an object move?

• gravity

• friction

• work

• mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Select all the forms of energy.

• Mechanical Energy

• Chemical Energy

• Lack of Energy

• Electrical Energy

What is an example of potential energy?

• A boy at the top of a slide.

• A rock on the ground in the forest.

• A brick on the side of a house.

Tags

NGSS.MS-PS3-2

If you kick a ball and it moves, you know that you have done ______.

• excersise

• friction

• energy

• work.

Tags

NGSS.MS-PS3-5