Words I Need to Know this Week

Words I Need to Know this Week

Let's Do This!

Gravity

A force that pulls objects toward each other - affected by mass and distance.

friction

A force that opposes motion

weight

A measure of the gravitational force exerted on an object.

Multiple Choice

Is mass the same thing as weight?

• yes

• no

• only on Earth

• only on the Moon

Fill in the Blanks

mass

the amount of matter in an object

Multiple Choice

Your mass is how much stuff you are made up of.

• True

• False

• I don't know

matter

anything that has mass and takes up space

air resistance

force that opposes the motion of objects that move through the air

force

A push or pull exerted on an object

area

The number of square units required to cover a surface. Calculated by multiplying length x width.

perimeter

the distance around a polygon

Multiple Choice

The distance around a polygon is which of the following?

• area

• perimeter

• gravity

• force

Multiple Choice

Force(s) that opposes motion is (are) called ?

• gravity

• friction and air resistance

• force

• friction