Investigation 2

an axle can be used to make a rolling system

a part of an experiment that can be changed

a ______ is made up of two or more parts that work together

When one event makes another event happen, those events have a _____ relationship.

if a dry sponge is placed in water, the sponge's mass will increase

an angled surface, such as a hill or a ramp, is called

if an athlete wears lighter shoes, they can run faster

some twirly birds float to the ground more quickly than others

What pattern of motion will this wheel and axel have?

TRUE OR FALSE: When an object is moving the forces are unbalanced.

What pattern of motion will this wheel and axel have?

the result of an experiment is also called

if you take more short breaks at work, you will be more productive

TRUE OR FALSE: When an object is not moving, the forces acting upon it unbalanced.

What pattern of motion will this wheel and axel have?

the force that works against the motion of objects and slows them down

a rod or shaft that wheels can be attached to

all magnets have a north and south pole

TRUE OR FALSE: When scientists perform a series of related experiments, it is important to only change one variable at a time.