Frozen
Frozen 2
Under da Sea
I Am
Under the Water, Please Help
Water.
100

This large, slow-moving mass of ice forms when snow builds up and compacts over many years.

What is a glacier?

100

This type of rock material is dropped directly by a melting glacier.

What is till?

100

This shallow, gently sloping area of the ocean floor is closest to land.

What is the continental shelf?

100

This process changes liquid water into water vapour, often using heat from the Sun.

What is evaporation?

100

This rapid growth of algae can turn water green and reduce oxygen levels.

What is an algal bloom?

200

This wide, flat valley with steep sides is shaped like a letter and is carved by glaciers.

What is a U-shaped valley?

200

This glacial formation is a ridge of rocks and debris pushed or left behind by a glacier.

What is a moraine?

200

This long chain of underwater mountains is found in the middle of many oceans.

What is the mid-ocean ridge?

200

This process occurs when water vapour cools and changes back into liquid droplets.

What is condensation?

200

This type of freshwater moves in one direction and eventually flows into a larger body of water.

What is a river?

300

This sharp, narrow ridge forms when two glaciers erode opposite sides of a mountain.

What is an arête?

300

This bowl-shaped hollow carved into a mountainside by a glacier is often where glaciers begin.

What is a cirque?

300

Most of the world’s ocean floor is made up of this broad, flat area covered in sediment.

What is the abyssal plain?

300

This stage of the water cycle involves water being stored in soil or rock.

What is groundwater?

300

This term describes how harmful substances become more concentrated as they move up a food chain.

What is bioaccumulation?

400

This pyramid-shaped peak forms when three or more glaciers erode a mountain from different sides.

What is a horn?

400

This large rock was carried far from its original location and left behind when a glacier melted.

What is an erratic?

400

This ocean feature is rich in marine life because sunlight can still reach the ocean floor.

What is the continental shelf?

400

This process happens when water changes directly from ice into water vapour without becoming liquid.

What is sublimation?

400

This is one harmful effect of acid precipitation on the environment.

What is damage to forests, soil, or aquatic life?

500

These long scratches left on rock surfaces show the direction a glacier once moved.

What are striations?

500

This is another name for the bowl-shaped hollow carved into a mountainside by a glacier.

Hyfryd!

What is a cwm?
500

This ocean floor feature is the deepest part of the world’s oceans, sometimes deeper than Mount Everest is tall.

What is an ocean trench?

500

This energy source drives the entire water cycle.

What is the Sun?

500

This human activity often adds nutrients to water, increasing the risk of algal blooms.

What is fertilizer runoff/agricultural runoff?