Vocabulary
What word means: any push or pull
FORCE
The GREATER the force an object gives, the ________________ the acceleration.
GREATER
Energy is the ability to do ___________________.
WORK
A child sitting at the top of a slide has _______________ energy.
POTENTIAL
What word means: a change in an object's position?
MOTION
This is a type of force that requires one object to touch another.
CONTACT FORCE
This word means: The energy an object has because it is moving.
KINETIC ENERGY
While walking down the hall, I had to walk around a puddle of spilled water before continuing to my classroom. This shows a change in ______________.
ACCELERATION
What word means: how far an object's position changes over time?
SPEED
These types of forces act on an object but do not change that object's motion.
BALANCED FORCES
The stored energy that an object may use in the future is called ______________ energy.
POTENTIAL
When an elevator is accelerating upward in a building, what forces are acting on it?
The cables are pulling it up, but gravity is pulling it down at the same time. The forces are unbalanced.
Which word means: the speed and direction of an object?
VELOCITY
This force is what causes an object in motion to stay in motion or an object at rest to stay at rest.
INERTIA
True or False: A bike traveling on a flat sidewalk has POTENTIAL energy.
FALSE
True of False: A car that is accelerating is slowing down?
TRUE: Any change in motion is acceleration.
Which word means: a change in velocity over time?
ACCELERATION
A skateboarder will not stop unless acted upon by a(n) _______________ force
UNBALANCED
The amount on energy an object has is related to its speed and ____________.
MASS
True or False: Dropping a rock from a higher point will increase the speed in which the rock falls.
Ture