Natural Hazards
Ecosystems
Minerals
Population Of Humans
Natural History
100

The cause of earthquakes

What is the Tectonic Plates?

100

The top of most Food Chains

What are Predators?

100
Are minerals solid or not

What is a solid?

100

The current population of Humans on Earth

What is 8 billion?

100
Largest animal ever

What are the Blue whale and Argentinosaurus?

200

The cause of a tornado

What is Severe Thunderstorms?

200

The bottom of most food chains

What are flora?
200

Minerals are organic or inorganic

What is inorganic?

200

The population of humans in 1950

What is 2 billion?

200

Deepest area on the planet

What is the Mariana Trench?
300

The cause of Volcanoes Erupting

What is Magma Rising?

300

Life started where

What is the ocean?

300

Most common mineral on Earth

What is Quartz?

300
The population in 1800

What is 1 billion?

300

What theory is most popular of the start of the Earth?

What is the big bang theory?

400
The cause of Droughts
What is low Precipitation?
400

Most Flora and Fauna lives where

What is the rainforests?

400
The liquid that makes crystals
What is Magma?
400

The population in 1500

What is 450 million?

400

How are bones fossilized?

What is sediment covering? (dirt, water)

500

The cause of natural Forest Fires

What are hot conditions?

500

The ecosystem with some rare species

What are Freshwater ecosystems?

500

The rarest mineral on Earth

What is Kyawthuite?

500

The human population in 1000

What is 275 million?
500

First animal with a backbone

What is a Pikaia and Haikouichthys?