How can you tell they’ve got it: The Ocean Floor?

If they’ve got it, you’ll see things like: State that the ocean floor has varied terrain including mountains, ridges, and trenches; Name the Mariana Trench as the deepest point on Earth; Compare its depth to a familiar reference like Mount Everest's height. Or just try it together: If your child heard that the ocean floor has mountains and valleys, could they explain that it's not flat and that the Mariana Trench is the deepest spot on Earth — deeper than Everest is tall?

Science Ocean Life Ages 7–9

The Ocean Floor

Your child knows the sea floor is not flat. It has mountains, valleys, and deep trenches. The deepest, the Mariana Trench, is deeper than Everest is tall.

In curriculum terms

Know that the ocean floor is not flat — it has mountains, valleys, and the deepest trenches on Earth — and that the deepest point is the Mariana Trench, deeper than Mount Everest is tall

Ages are typical, not deadlines — follow your child’s pace. How to help at home →

How to tell they’ve got it

Tick these off as you see them — no test required.

State that the ocean floor has varied terrain including mountains, ridges, and trenches
Name the Mariana Trench as the deepest point on Earth
Compare its depth to a familiar reference like Mount Everest's height

🖨 Print this page to keep the checklist — it prints beautifully.

Try this together

If your child heard that the ocean floor has mountains and valleys, could they explain that it's not flat and that the Mariana Trench is the deepest spot on Earth — deeper than Everest is tall?

Where this sits on the map

Stuck here? Check the skills it builds on first. Confident? Here’s what it unlocks.

Builds on

What Is the Ocean?ages 5–7Ocean floor concept requires knowing the ocean is vast and deep

Ocean Depth Zonesages 7–9Ocean floor is the bottom of the deepest zone; zone knowledge enriches it

The Ocean Floorthis skill · ages 7–9

Unlocks

Exploring the Oceanages 9–11Exploring the deep requires knowing the ocean floor has terrain

Deep-Sea Creaturesages 9–11Deep sea life lives on the ocean floor; terrain knowledge enriches understanding

solid = must come firstdashed = helps

Curriculum alignment

Where this fits in the official school curriculum — our best automated guess, not yet checked by a person.

This skill sits outside the F–6 Australian Curriculum — no candidate code matched (v0.1). No NSW K–6 outcome code matched (v0.1). No Victorian Curriculum 2.0 code matched (v0.1).

Nearby on the map

Classifying Ocean Animalsages 7–9 Coral Reefsages 7–9 Ocean Animal Adaptationsages 7–9 Ocean Depth Zonesages 7–9

All Ocean Life skills →