What is the sea?

Sea is a general name for the body of saltwater that covers part of the surface of the Earth.

The largest sections of the sea are called oceans.

In terms of geography, seas are smaller than oceans and are usually located where the land and ocean meet.

Oceans cover nearly 71 percent of Earth’s surface.

New Zealand has 15,000 kilometers of coastline making it the 9th longest in the world.

New Zealand’s coastline borders the Tasman Sea and the Pacific Ocean.

Tasman Sea

The Tasman sea measures approximately 2,000 km across and approximately 2,800 km from north to south.

The Tasman sea was named after the Dutch explorer Abel Janszoon Tasman.

Abel was the first recorded European to encounter New Zealand and Tasmania in 1642.


What are shells?

Shells are the hard protective outer case of a mollusc or crustacean.

What are seashells?

Seashells are when the shell has detached from the crustacean and empty seashells are often found washed up on beaches.

Typical seashells consist of over 95% calcium carbonate

Calcium Carbonate = CaCO 3


What is sand?

Sand is a granular material composed of finely divided rock and mineral particles as well as seashells that have been broken down over time


To download / save / print – Simply right-click and save the image.

Magic Is Science

Magic Is Science



Click on the file name to open and download

Frozen Salt

ANSWER CARD shell description

Chemical Formula salt

Flying Goldfish

Frozen Salt

kinetic Sand

Make Quicksand

Measure your shells

Melting Ice

Salty freezing points

Shell Description Match Answer Card

Shell Description Match

Shell Making Creatures CONCEPT CARD

Shell Match Answers

Shell Match

Sorting Molluscs and Crustaceans

Sorting Molluscs and Crustaceans Answers

Take a guess Questions

Take a guess



BalloonPoweredBoats -Varriables

BalloonPoweredBoats (2)

Balloon Powered Boats_TEACHERS NOTES


Water Pollution

Water Pollution Definition

Water Pollution effects

Water Cycle

Water Cycle 2

Fresh WatervsSalt

Share it