Weather
Land
Energy
Ocean
Organic Life
100
When there are a loud of clouds in the sky that typically block the sun

It’s cloudy outside


100

Large amounts of water falling from a height

Waterfall

100

The protection, preservation, management, or restoration of natural environments and the ecological communities that inhabit them

Conservation

100

The part of land near the ocean

Coast 

100

A community of living organisms interacting with each other and their non-living environment 

Ecosystem 

200
 a ground level cloud

Fog

200

When the tectonic plates in the Earth’s crust shift and cause the ground to shake

Earthquake

200

Power generated from natural sources that are replenished at a faster rate than they are consumed 

Renewable energy 

200

A continuous, directed movement of seawater, driven by forces 

Ocean current

200

An ecosystem with a large number of old, mature trees that have developed over a long period

Old growth forest 

300

A storm with loud booms and flashes of lightning, typically also with heavy rain

Thunderstorm

300

A natural underground chamber in a hillside or cliff

A natural underground chamber in a hillside or cliff

300

Combustible geological deposits of organic materials, such as coal, petroleum, and natural gas

Fossil fuels 

300

   An underwater structure formed by colonies of tiny marine animals 

Coral reef 

300

A linear sequence of organisms where each organism is eaten by the next one in the hierarchy, showing the flow of energy and nutrients

Food-chain

400

Pieces of frozen rain which fall in showers

Hail

400

The loose layer of organic and mineral material on Earth’s surface

Soil

400

The introduction of harmful substances or energy into the environment that cause damage to ecosystems and living organisms 

Pollution 

400

A series of powerful ocean waves caused by a sudden, large displacement of water, most often from undersea earthquakes, volcanic eruptions, or landslides

Tsunami 

400

The natural home or environment of an animal, plant, or other organism 

Habitat 

500

A strong wind carrying clouds of sand with it, especially in a desert.

Sandstorm

500

An area of land overgrown with dense forest, typically in the tropics 

A jungle

500

The disposal of waste material by burying it

landfill

500

A slowly moving mass of ice 

Glacier

500

A species, family, or group of animals that has no living members, no longer in existence 

Extinct