Earth 1
Earth 2
Earth 3
Earth 4
Space
100

If a continent is covered in ice, but once had a warm climate, what would MOST likely be discovered there?

What are fossils?

100

The continual movement of continental and ocean crust.

What is plate tectonics?

100

If a bucket of water is left outside or in a window facing sunlight and the water begins to disappear, what can you conclude is happening?

What is evaporation?

100

The current state of the atmosphere is known as this?

What is weather?

100

How the spectrum of hydrogen on a distant star would be described.

What is redshifted?

200

The layer of the Earth that is the hottest.

What is core?

200

The chain of Hawaiian Islands was formed by this.

What is a hotspot?

200

What characteristic of the Earth causes seasons?

What is the Earth's tilt?

200

The weather conditions of an area over a long period of time.

What is climate?

200

The event that forms elements heavier than iron.

What is a supernova?

300

Occurs when a fault line along Earth's crust slips.

What are Earthquakes?

300

The rising of hot magma and the sinking of cool magma will create this?

What is a convection current?

300

The equator would receive this kind of sunlight.

What is direct sunlight?

300

The layer of Earth contains water.

What is hydrosphere?

300

The event that combines two hydrogen atoms to form q helium atom?

What is nuclear fusion?

400

Fossil fuels are this kind of resource.

What is non-renewable?

400

Earth's largest layer.

What is the mantle?

400

The theory that states that all continents were once connected on a single landmass and are slowly drifting apart.

What is continental drift?

400

Soil is found is this layer of the Earth.

What is the crust?

400

What scientists use to determine how old the solar system is.

What are comets and asteriods?

500

The molecules that trap in heat to keep Earth's climate stable.

What are greenhouse gases?

500

Biomass, wind and solar are examples of this type of energy.

What is renewable?

500

This kind of weather is associated with low air pressure.

What is poor weather?

500

The type of weather associated with high air pressure.

What is fair weather?

500

About 99 percent of the material in a stellar dust cloud that formed our solar system
was used to create our Sun. What did the remaining 1 percent form?

What are planets?