Disasters
Earth
Water
Mountain
Minerals
100

How many people have been killed by volcanoes during the last 500 years?

At least 300,000.

100

What is the wettest place on Earth?

Lloro, Colombia

100

What is the highest waterfall in the United States?

Yosemite Falls

100

What is the longest mountain chain on Earth?

The Mid-Atlantic Ridge

100

How many minerals are known to exist?

There are roughly 4,000 known minerals,

200

What three countries have the greatest number of historically active volcanoes?

Indonesia, Japan, USA

200

Is Earth a sphere?

No

200

Where is the world’s highest waterfall?

Venezuela

200

What kind of rocks grow on mountains?

iron-manganese

200

What is feldspar?

common mineral in Earth's crust.

300

How many of Earth’s volcanoes are known to have erupted in historic time?

About 540 volcanoes

300

How far is it to the center of the Earth?

3,700 miles

300

What is the largest lake in North America?

Lake Superior.

300

Which is the highest mountain?

Mt. Everest

300

What is the softest of all minerals?

Talc is the softest of minerals. It is commonly used to make talcum powder

400

Where are most of Earth’s volcanoes?

the immense volcanic mountain chain that encircles the planet beneath the sea

400

Where is the lowest dry point on Earth?

1,300 feet below sea level

400

Where is the largest alpine lake in North America?

California-Nevada border

400

Mountains are speculated to rise from what?

Asteroids

400

What is the hardest of all minerals?

The one that becomes emotionally useless after a divorce but still retains monetary value.

500

How many people worldwide are at risk from volcanoes?

500 million people.

500

What is the hottest place on Earth?

El Azizia in Libya

500

What is the world’s deepest lake?

Lake Baikal

500

Iron-manganese grow where on mountains?

Under the sea

500

Is ice a mineral?

Yes