Space Systems
History of Earth
Earth's Systems
Weather & Climate
Human Impacts
100

This motion of the Earth is responsible for the seasons.

What is revolution?

100

This law states that the oldest rock layers are at the bottom, and the youngest are at the top.

What is superposition?

100

This type of rock contains fossils.

What is sedimentary?

100

this type of air mass has high density.

What is a cold air mass?

100

solar energy is an example of this kind of resource.

What is renewable?

200
A lunar eclipse occurs when the moon is at this phase.

What is a full moon?

200

This type of crust is the thinnest and densest.

What is oceanic crust?

200

This type of rock forms due to heat and pressure.

What is metamorphic?

200

this type of front features a cold and warm air mass not moving.

What is a stationary front?

200

This type of energy, formed from animal/plant remains, is not reusable within a human timescale.

What are fossil fuels?

300

This phenomenon is the reason why we always see the same face of the moon.

What is tidal locking?

300
This type of fossil is very spread out, but is present in only a few rock layers.

What is an index fossil?

300

Freeze thaw is an example of this.

What is physical weathering?

300

the name of this air mass is over Canada.

what is continental polar?

300

The parts of Earth where life exists, including all living organisms.

What is the biosphere?

400

This is known as the start of spring (March 21).

What is the vernal equinox?

400

This is a continuous cycle of fluids that happens due to density differences.

What are convection currents?

400

This causes contact metamorphism.

What is a magma intrusion?

400

this motion of the Earth causes the Coriolis Effect.

What is rotation?

400

outgassing from this causes more CO2 to be in the atmosphere.

What is a volcano?

500

Neap tides happen at these 2 moon phases.

What is 1st and 3rd quarter?

500

This radioactive isotope is helpful in dating the bones of early humans.

What is Carbon 14?

500

This type of plate boundary is in San Andreas, CA.

What is transform?

500

this phenomenon is why heat is trapped in the atmosphere.

What is the greenhouse effect?

500

this kind of radiation from the Sun continuously heats up the atmosphere.

What is infrared?

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