Motions and
Forces
Work, Machines, and Energy
The Atom and Interactions of Matter
Electricity
Waves, Sound, and Light
100
Force that opposes motion between 2 surfaces that are touching.
What is friction?
100
The ability to do work.
What is energy?
100
Each horizontal row of elements (from left to right) on the periodic table.
What is a period?
100
The force between charged objects.
What is electric force?
100
Found by measuring the distance a single crest or compression travels in a given amount of time. (wave length x frequency)
What is wave speed?
200
A measure of the gravitational force exerted on an object.
What is weight?
200
The energy of motion.
What is kinetic energy?
200
Positively charged particles of the nucleus.
What is protrons?
200
Electrons are transfered from one object to another by direct contact.
What is conduction?
300
Amount of matter in an object, and its value does not change.
What is mass?
300
The energy an object has because of its position or shape.
What is What is potential energy?
300
The joining of atoms to form new substances.
What is chemical bonding?
300
Occurs when charges in an uncharged object are rearranged without direct contact with a charged object.
What is induction?
400
An object that is being pulled down and no other forces are acting on it.
What is free fall?
400
The rate at which work is done.
What is power?
400
The particles of a nucleus that has no charge.
What is neutrons?
400
The rate at which charge passes a given point.
What is a current?
500
The curved path an object follows when thrown or propelled near the surface of the earth.
What is projectile motion?
500
A device that helps make work easier by changing the size or direction of a force.
What is a simple machine?
500
A neutral group of atoms held together by covalent bonds.
What is a molecule?
500
Rate at which electrical energy is used to do work.
What is electric power?