Extreme Earth
Water, Water Everywhere
The Red Planet
Rocks & Minerals
What on Earth?
100
This desert is Earth's largest.
What is the Sahara Desert?
100
Of Earth's oceans, this one is the largest.
What is the Pacific Ocean?
100
Mars, the "red planet", has this many moons.
What is two?
100
In a volcano, gas and lava separate to produce this rock.
What is pumice?
100
This is the world's largest island.
What is Greenland?
200
This mountain is the highest place on Earth.
What is Mt. Everest?
200
This river is the longest river on Earth.
What is the Nile River (in Africa)?
200
Valles Marineris is this type of geographical feature.
What is a canyon?
200
Of Mercury and Jupiter, the planet that is 'not' rocky.
What is Jupiter?
200
Scientists compare the true shape of Earth to this fruit.
What is a pumpkin?
300
The hottest day ever (136 F) happened in this country.
What is Libya?
300
The deepest ocean point can be found in this ocean.
What is the Pacific Ocean?
300
If you're 10 years old on Earth, you're this age on Mars.
What is five years? (A year on Mars is nearly twice as long as a year on Earth)
300
This country is the world's largest producer of gold.
What is South Africa?
300
Of oxygen or nitrogen, this one makes up more of our air.
What is nitrogen?
400
The driest place on Earth, Arica, is in this country.
What is Chile?
400
On average Earth's people use this much water each day.
What is 400 billion gallons?
400
Mars' largest volcano is the size of this U.S. state.
What is Arizona?
400
This mineral is the softest of all Earth's minerals.
What is talc?
400
The melting of this is causing Earth's oceans to rise.
What is the Antarctic Ice Sheet?
500
Earth's lowest dry land is between these two countries.
What are Israel and Jordan?
500
This percentage of Earth's water is found in its oceans.
What is 97 percent?
500
You weigh 100 pounds on Earth, or this much on Mars.
What is 38 pounds?
500
This is the most common mineral in Earth's crust.
What is feldspar?
500
Earth's solid skin is about this many miles thick.
What is 41 miles?
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