corals

Where are coral reefs located?

• Tropics

• Lakes

• Polar Climates

Coral Reefs live in...

• Cold and deep water

• Warm and shallow water

What do corals make around their body?

• Shells

• Skin

• Skeletons

Where do the skeletons go?

• Sink to the bottom of the ocean

• They attach to other dead corals

• They disappear

What other things mix in with coral skeletons?

• Nothing

• Shells of clams, snails, and other animals

• Living animals

What does algae do to the coral reef?

• Stick together

• Break it a part

• Make it turn blue

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What type of hard rock appears on corals?

• Granite

• Gravel

• Limestone

How much does coral grow within a year?

• 3 inches

• 4 inches

• 5 inches

Tags

NGSS.MS-LS1-5

What are the 2 main types of reefs?

• Close and Far reefs

• Tall and small reefs

• Fringing and Barrier reefs

What are atolls?

• Coral reefs in a shape of a ring that surround a sunken island

• Coral reefs that grow in the shape of a square

• Coral reefs that are not alive anymore