Vocabulary
A force that slows an object down.
What is friction?
The scientist who first developed a theory of how gravity works.
Who is Isaac Newton?
True or False. In order for friction to occur, both objects (that touch) must be in motion.
What is false?
A force that can pull together or push apart certain metals.
What is magnetism?
What we call stored energy.
What is potential energy?
The force that pulls everything to the center of the earth.
What is gravity?
True or False. The force of gravity keeps the planets in line, orbiting around the sun.
What is true?
According to Newton’s second law, the amount of force needed to move an object depends on how fast you want it to move, as well as the object’s ________.
What is mass?
What is friction?
A force that creates no movement, forces are equal.
What are balanced forces?
The force that slows objects down from the sky.
What is air resistance?
If a piece of paper is dropped on Earth, it slowly floats to the ground because of this.
What is air resistance?
______________ is the tendency of an object to stay still or in motion, unless acted on by a force.
What is inertia?
The force that slows an object down, and acts against motion.
What is friction?
What we call energy in motion.
What is kinetic energy?
A push or pull on an object.
What is force?
What is the force that pulls everyone and everything to the center of the earth.
For every action, there is an equal and opposite reaction is which of Newton's Laws?
What is third?
A force that moves a person or object towards you.
What is a pull?
A force that is unequal and results in motion.
What is an unbalanced force?
A force can speed up an object in _____________, or slow it down.
What is motion?
What is the sun?
"An object that is in motion will stay in motion" is part of which law?
What is the first?
A force that moves an object or person away from you.
What is a push?
An example of friction at work.
answers may vary