Electricity and Magnetism
Waves, Sound, Light
Climate
Geology
Astronomy
100
This kind of circuit is on.
What is a closed circuit?
100
Energy of a wave increases when this decreases.
What is wavelength?
100
The element that was missing from Earth's earliest atmosphere.
What is oxygen?
100
The geologic principle that states that older rock layers are below younger ones.
What is the principle of superposition?
100
These are formed when supermassive stars collapse.
What is a black hole?
200
Current will decrease.
What happens when you increase the resistance by adding a bulb?
200
The medium sound travels fastest through.
What is a solid?
200
The most abundant gas in earth's atmosphere?
What is nitrogen?
200
This is the thinner and denser of the two types of crust.
What is oceanic crust?
200
The way stars make energy.
What is nuclear fusion?
300
This supplies energy to make charges flow.
What is a voltage difference?
300
These EM waves have the highest amount of energy.
What is gamma?
300
The season it is in the Northern hemisphere when the northern end of earth's axis is pointed towards the sun.
What is winter?
300
The age of Earth.
What is 4.6 billion years old?
300
The size star that our sun is.
What is medium?
400
Moving electrons.
What causes magnetism?
400
When this increases the energy also increases and the wavelength decreases.
What is frequency?
400
This energy source is not a fossil fuel and non-renewable.
What is nuclear?
400
The amount of time it takes for half of a sample to decay.
What is a half-life?
400
This is what the sun will become at the end of its life-cycle.
What is a red giant?
500
This transforms mechanical/kinetic energy into electrical energy.
What is a generator?
500
The speed of a wave with a frequency of 5 cycles per second and a wavelength of 5 meters.
What is 25 m/s?
500
The lowest and thinnest layer in Earth's atmosphere.
What is the troposphere?
500
A rock that isn't from a place, seems to be dropped by a glacier.
What is an erratic?
500
States that a singular event brought all matter and energy into our universe.
What is the Big Bang Theory?
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