A) changing the form of the football
B) applying heat to the football
C) applying force to the football
D) changing the type of matter that the football is made of

A) force
B) football
C) object
D) organism

A) a force
B) a beam of light
C) many different sounds
D) a throw

A) cause an object to change form
B) change the direction of a moving object
C) cause an object to slow down
D) make an object move

A) it changes shape
B) a force acts upon it
C) it changes form
D) it produces energy

A) only a few times a year
B) all the time
C) only when you are moving
D) only when you are awake

A) magnetism
B) sunlight
C) gravity
D) friction

A) wind
B) gravity
C) friction
D) magnetism

A) speed
B) magnetism
C) gravity
D) friction

A) solar wind
B) magnetic force
C) friction
D) gravitational pull

A) movement
B) the tendency of an object to resist a change in motion
C) a push or pull
D) the pull of objects toward one another

A) the pull of jects toward one another
B) the tendency of an object to resist a change in motion
C) a push or pull
D) movement

A) the pull of objects toward one another
B) movement
C) a force that works against motion
D) the tendency of an object to resist a change in motion

A) a force that pulls objects toward one another
B) movement
C) the tendency of an object to resist motion
D) a push or pull