Vocabulary 1
Vocabulary 2
Various Questions
100
What is a force that acts between all masses and causes them to attract one another?
Gravitation
100
What is a push or pull?
Force
100
What two things must be measured to find the speed of a moving bicycle?
Distance and time
200
What is the change of position during a unit of time.
Speed
200
What is a change in speed or direction of an object's motion?
Acceleration
200
A heavy ball and a light ball are rollings at the same speed on the same surface. Why will be heavy ball be harder to stop?
It has greater momentum
300
What is the force of attraction between Earth and other objects.
Gravity
300
What is the speed and direction of an object?
Velocity
300
What two factors determine an object's momentum?
Mass and velocity
400
What is the property of matter that keeps a moving object moving in a straight line?
Inertia
400
What is the measurement of how much gravitational pull there is on an object?
Weight
400
A mosquito flies over a stopped truck. Which has more momentum: the mosquito or the truck? Why?
Mosquito because the truck's velocity is zero.
500
What is a force that resists motion, relative to each other, of objects that are touching.
Friction
500
What is the property of motion that describes how hard it is to stop an object?
Momentum
500
A student wants to explain what is meant by mass. How should he describe the mass of his body?
The amount of matter in his body
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