Motion and Forces
Changing Motion
Work and Energy
Simple Machines
Forms of Energy
100
That force that acts against motion
What is friction?
100
Forces that are equal in size but opposite in direction.
What are balanced forces?
100
The ability to do work.
What is Energy?
100
This machine has two parts: a bar or plank and a fulcrum.
What is a lever.
100
The type of energy that makes you feel warm
What is thermal/heat energy?
200
A push or a pull
What is force?
200
Forces that are not equal is size and cause objects to change motion.
What are unbalanced forces?
200
What is done when a force is used to move an object?
What is work.
200
The object being moved or affected by a machine.
What is the load.
200
The type of energy with charges particles.
What is electric energy.
300
A change in distance over time
What is speed?
300
The metric unit we use to measure forces.
What are Newtons?
300
This type of energy is stored.
What is potential energy?
300
This machine is made up of a wheel and a rope.
What is a pulley?
300
The type of energy your body uses when it digests food.
What is chemical energy?
400
Any change in speed or direction
What is acceleration?
400
Paul and Sam are moving a box. Sam is pushing the box at 5n. Paul is on the opposite side of the box and is pushing the box at 5n. What will happen to the motion of the box?
The box will not move.
400
This type of energy describes the energy of movement.
What is kinetic energy?
400
Machines that are made up of two or more simple machines
What is a compound machine.
400
Light energy also gives off another form of energy...
What is heat/thermal energy.
500
The tenancy for an object in motion to stay in motion, or an object at rest to stay at rest. It is also a property of matter.
What is Inertia?
500
Larry and Katie are moving a box. They both get on the same side of the box. Katie pushes the box at 5n, and Sam also pushes the box at 5n. What will happen to the box.
The box will accelerate at 10n.
500
When energy is changed from one form to another.
What is transforming energy.
500
The amount of force used to do work.
What is effort force?
500
When energy is passed from one object to another.
What is transferring energy?