Rocks & Minerals
Water cycle
Fossils
Atmosphere
Oceans
100

The thinnest layer of the Earth

what is the crust

100

This process happens when lakes and oceans turns into vapor due to heat from the sun.

What is evaporation?

100

An imprint of a fossil

What is a mold fossil

100

The first layer of the atmosphere.

What is the troposphere?
100

The percentage of water that covers the Earth.

What is 71%

200

The three rock types 

What is Igneous, Sedimentary, and Metamorphic 

200

When water vapor cools and forms clouds , it undergoes this process.

What is condensation?

200

The law that estimates the age of the rock strata depending on if its higher or lower.

What is the law of superposition

200

The percentage of nitrogen in the atmosphere.

What is 78%?

200

Amount of the ocean that has been discovered.

What is 5%

300

Type of rock that can contain fossils

what is Sedimentary rock

300

This stage of the water cycle includes rain, snow, hail, and sleet falling to earth.

What is precipitation?

300

The process of estimating the age of a fossil by the rock strata

What is relative dating

300

The percentage of oxygen in the atmosphere.

What is 21%?

300

The term for the amount of salts dissolved in the ocean.

What is salinity?

400

What type of rock is marble

What is metamorphic 
400

Water that soaks into the ground and becomes part of the underground reservoris is known by this term.

What is infiltration?

400

A coiled fossilized shell

What is an ammonite 

400

Fast flowing air current in the upper troposphere that airplanes often use.

What is the jet stream?

400

The biggest and deepest ocean.

What is the Pacific ocean?

500

How are extrusive Igneous rocks formed

What is when volcanoes spew magma and cools above the Earth's surface

500
This term describes water flowing over the land surfaces into rivers, lakes, and oceanss after precpitation 

What is runoff?

500
The era including the first dinosaurs, birds, mammals, and flowering plants

What is the mesozoic era

500

The layer of the atmosphere that burns up meteors.

What is the mesosphere?

500

Largest living structure in the ocean.

What is the Great Barrier Reef?

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