Motion and Forces
The force that pulls objects towards the earth.
What is Gravity?
If two puppies pull a plastic ring with equal force, the ring does not move. This is an example of _______ _______.
What are balanced forces?
When a ball rolls down a hill, this form of energy is created
What is kinetic energy?
The force used in simple machines.
What is a push and pull?
A force is either a ____ or _____.
What is push/pull?
The tendency of an object in motion to stay in motion or an object at rest to stay at rest.
What is inertia?
Energy transforming means this.
It changes from one form to another.
The fulcrum and bar are the main parts of this simple machine.
What is the lever?
This refers to a force that works against motion.
What is friction?
We measure force in these metric units.
What are newtons?
Energy that comes from the tiniest particles of matter
What is nuclear energy?
A ceiling fan is an example of this simple machine
What is a wheel and axle?
A car turning sharply around a corner
What is accelerating?
This affects inertia.
What is mass?
A lamp transforms electrical energy into this form of energy.
What is light energy?
This machine would help you lift a piano onto a truck.
What is an inclined plane?
This describes both the speed AND direction of an object's motion
What is velocity?
Unbalanced forces cause a change in _____.
What is motion?
A kitchen stove transforms electrical energy into this form of energy.
What is thermal energy?
Two or more simple machines form this.
What is a compound machine?