Waves
Circuits
Natural Resources
Universal gravitation and static electricity
Units/equations
100

The distance between one point of a wave to the same point in the next wave.

What is wavelength 

100

The unit used to measure current.

What is amps?
100

The process of burning fuels to generate electricity.

What is burning fuels to boil water which turns to steam with spins a turbine which drives a generator which generates electricity?

100

The mathematical term for the shape of a planet?

What is an elipse?

100
The average of 12, 12, 10, 11, and 12?

What is 11.4?

200
The number of waves per unit of time. 
What is frequency?
200

The voltage of a circuit with a current of 2 amps and a resistance of 1.5 ohms.

What is 3 volts?
200

3 types of renewable energy.

What are solar, wind, geothermal, hydroelectric, biomass/bioenergy

200
The shape of an orbit if the eccentricity is close to zero.

What is a circle?

200

The unit of Energy?

What is joules?

300

The type of wave on the electromagnetic spectrum that have the shortest wavelength and the highest frequency. 

What are gamma waves?

300
The resistance of a circuit with a voltage of 120 volts and a current of 10 amps.

What is 12 ohms?

300

Energy change that happens when steam spins a turbine.

What is thermal energy to kinetic/mechanical energy?
300

When charges transfer by rubbing two objects together.

What is friction?

300

The quantity represented by the unit ohms.

What is resistance?

400

A wave that moves parallel to the direction of the wave.

What is a longitudinal wave?
400

The trend of the voltage if current increases but the resistance remains the same.

What is the voltage also increases?

400
The purpose of a generator in a power plant. 
What is to generate electricity?
400

The total charge of an atom with 10 electrons, 8 protons and 8 neutrons.

What is -2?

400

The variable used to represent time/

What is "t"?

500

The frequency of a SOUND wave that has a wavelength of 170 m.

What is 2 Hz?

500

The trend of the resistance if the voltage remains unchanged but the current decreases.

What is the resistance will increase?

500

The energy change that occurs when a person is pedaling a bicycle.

What is chemical to kinetic/mechanical?

500

The new force of attraction between objects when the distance between the objects is doubled (the original force was 20)

What is 5? (Inverse square law) 

500

The unit of power.

What is watts?