Water Cycle
Rock Cycle
Solar System
Natural Processes
Climate Change
100

When the sun heats up liquid water and it turns into water vapor.

What is evaporation?

100

This type of rock is formed from the cooling and solidification of magma or lava.

What are igneous rocks?

100

This planet is known for its large rings

What is Saturn?

100

Snow, sleet, hail, and rain are examples of this.

What is precipitation?

100

The leading cause of global warming.

What is burning fossil fuels.

200

When water vapor cools down and changes back into liquid water droplets.

What is condensation?

200

These rocks are formed when existing rocks are subjected to extreme heat and pressure.

What are metamorphic rocks?

200

This is the number of planets in the solar system.

What is eight?
200

Molten rock below the Earth's surface.

What is magma?

200

Water vapor, methane, carbon dioxide, and nitrous oxide are examples of this. 

What are greenhouse gasses?

300

These are formed when billions of tiny water droplets gather together during condensation.

What are clouds?

300

This rock type can turn into metamorphic rock when it is subjected to heat and pressure.

What are sedimentary rocks?

300

This planet is known as Earth's twin.

What is Venus?

300

The process of breaking down dead organic matter.

Decomposition

300

The natural process where atmospheric gases trap heat radiating from Earth toward space.

What is the greenhouse effect?

400

Water that is stored in the cracks and spaces between soil, sand, and rocks underground.

What is groundwater?

400

The process that transforms a metamorphic rock back into magma.

What is magma?

400

The vast, donut-shaped region between Mars and Jupiter.

What is the asteroid belt?

400

The process by which plants use sunlight to create food.

What is photosynthesis?

400

The most abundant greenhouse gas that is produced by burning fossil fuels.

What is carbon dioxide (CO2)?
500

The phase where water flows over the land surface into rivers and oceans.

What is runoff?

500

This glassy, black igneous rock forms when lava cools almost instantly.

What is obsidian?

500

This year, Pluto was reclassified from a planet to a dwarf planet.

What is 2006?

500

The release of water vapor into the air from plant leaves.

What is transpiration?

500

The measure of CO2 in the atmosphere?

What is PPM (parts per million)?

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