Rocks and Mineral
Weather and Climate
Earth History
Space
Environment
100

This is the building block that makes up all rocks

Minerals

100

Rain, snow, and hail are all examples of this

Precipitation

100

The half life of Carbon-14 is important for using this method to determine age

Carbon Dating

100

This effect says that as an observer approaches the source of a waves, frequency increases

Doppler Effect
100

These are materials that humans collect from nature for our own use

Natural resources

200

Metamorphic rocks are formed by putting minerals under a lot of these two things

Heat and Pressure

200

This is a measurement of how much water vapor is in the air

Humidity

200

This is the reason we know the surface is younger than lower layers

Law of Superposition

200

This spectrum consists of all the different types of waves that can exist, from radio waves to gamma rays

Electromagnetic

200

Besides earthquakes and landslides, this "hot" topic is also an event in the geosphere

Volcanoes

300

Water, ice, and wind can break apart rocks in a process by this name

Weathering

300

These gases prevent long wave heat from the Earth from escaping the atmosphere, while allowing short wave heat from the sun in

Greenhouse gases

300

This is the name of the supercontinent that existed prior to the formation of the continents of today

Pangea

300

Planets in solar systems outside our own are called this

Exoplanets

300

This is the process of drilling for and ultimately collecting oil and natural gas

Fracking
400

This white crystal, with a hardness of 7 on the Mohs scale, sometimes comes in a pink variant with the name word "rose" in front of it

Quartz

400

This is the process of water from trees moving into the atmosphere

Transpiration

400

In 1820, Europeans first discovered this cool place located south of Chile

Antarctica

400
Kepler's laws say that this shape is the shape of planetary orbits

Ellipse

400

This is the name of the process of excess nutrients washing into bodies of water, creating algae blooms and dead zones

Eutrification

500

This black igneous rock forms from rapidly cooling lava and was used by Aztecs for blades due to the sharp angles it shatters at

Obsidian

500

Due to the Coriolis effect, no hurricane has ever crossed this latitudinal boundary

Equator

500

A transformation boundary between tectonic plates can cause this to form after the formation of surrounding rock layers

Fault line

500

After the exhaustion of its hydrogen, and its ultimate cooling, average sized stars become this classification of star

Black Dwarf

500

This book, written by Racheal Carson, motivated Americans to push towards the ban of DDT use and production

Silent Spring