Earthquakes
Volcanoes
Africa
Climate Change
100

What is a divergent plate boundary?

A feature where two tectonic plates are moving away from each other

100

What is a pyroclastic flow?

A dense mix of rock fragments and hot gases. 

100

What is an ecosystem

An area where organisms coexist and interact with each other

100

What is climate change

The long-term significant shift in the Earth's average temperatures and weather patterns

200

Can you predict an earthquake?

You cannot precisely predict it, but you can see when it is beginning to come.
200

Where are volcanoes most commonly found 

By tectonic plates, especially in the Ring of Fire

200

How many biomes are in Africa

13

200

What is climate?

The average weather is measured over a long period of time.

300

What does the Richter scale measure?

Magnitude

300

What is the difference between dykes and sills?

Dykes are vertical deposits of magma, while Sills are horizontal. 

300

Name all the layers of the rainforest

Forest, understory, canopy, and the emergent layer. 

300

Name 3 examples of mitigation

ANY 3: Renewable energy, afforestation, sustainable transport, carbon capture/storage, and international agreements. 

400

True or False: 90% of earthquakes occur at plate boundaries

True

400

Name the features formed at a convergent plate boundary

Fold mountains and composite volcanoes

400

What is the biome underneath the Sahara called, and what is it like?

The Sahel, which is a transition biome from the desert of the Sahara to the more humid southern savannas

400

Explain the process of the natural greenhouse gas effect. 

Atmospheric gases trap the sun's heat. 

500

A layer of the Earth that comprises the crust and the upper mantle. 

The lithosphere 

500

Through which process does magma conduct heat from the interior of the planet to the crust, which leads to eruptions? 

Convection

500

Around which year did the slave trade start and end?

1408 and ended in 1807, it continued into 1873 illegally. 

500

Does Earth need a layer of greenhouse gases?

Yes, it does! Greenhouse gases are needed to trap some of Earth's heat to prevent an ice age and make it habitable.