Vocabulary
What is the amount of matter an object has?
Mass
True or False: Friction happens when two objects touch, roll, rub, or slide against each other.
True
What is force?
A push or pull that make an object chance position.
What is potential energy?
Stored energy (not moving).
Name Newton's 1st Law of Motion.
An object at rest stays at rest, or an object in motion stays in motion, unless acted upon by an unbalanced force.
What is the measure of how quickly an object changes position?
What happens when you rub your hands together very fast?
Friction creates warmth between your hands.
What happens when you push a heavy box with more force?
The box moves faster.
True or False: The two types of energy are kinetic and potential.
True
Which law of motion (1st, 2nd, or 3rd) is the following scenario:
When you blow up a balloon and let it go, the air rushes out one way, and the balloon moves in the opposite direction.
3rd. For every action (force) there is an equal and opposite reaction (force).
______ happens when an object changes position.
Motion
True or False: Rough surfaces create less friction.
False
Which force slows down or stops the motion of an object?
Friction
What is kinetic energy?
The energy of motion.
Which law of motion (1st, 2nd, or 3rd) is the following scenario:
A person needs to apply more force to push a heavy box compared to a lighter box.
2nd. If you use the same force on two objects of different mass, you will get different accelerations (changes in motion).
What is the name for the force that pulls objects toward the earth?
Gravity
What kind of friction happens when a round object rolls over a surface?
Rolling friction.
These types of forces make an object move.
Unbalanced forces
Name an example of kinetic energy.
Any object that is moving. (A person running, a ball rolling, etc.)
Which law of motion (1st, 2nd, or 3rd) is the following scenario:
A skateboard slows down when you apply the brakes.
1st. An object at rest will remain at rest, or an object in motion will stay in motion, unless acted upon by an unbalanced force.
_______ is a measurement of the force of gravity on an object.
Weight
What kind of friction happens when two solid objects touch each other?
Dry Friction.
These types of forces slow down or stop an object.
Balances forces
Name an example of potential energy.
Any object that is NOT moving. (A parked car, a person standing still, etc.)
What is Newton's 2nd Law of Motion?
If you use the same force on two objects of different mass, you will get different accelerations (changes in motion).