Science Chapter 2

Force is

• any push

• any pull

• any push or pull

Force doesn't have direction.

• true

• false

Motion is the change in position of an object.

• true

• false

_________measures how much matter is in an object.

• mass

• gravity

• weight

Weight does not change because of gravity.

• true

• false

_________ is the force that pulls objects toward each other.

• mass

• weight

• gravity

_______is the rate at which an object changes position.

• speed

• acceleration

Acceleration occurs when the speed

• increases

• decreases

• stays the same

There is a formula for speed?

• true

• false

friction

• increases speed

• decreases speed