Science·Ocean Life·conceptual
The Ocean Floor
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
Suggested ages 7–9
Learning journey
Your child is diving deeper into ocean science — learning how sea creatures are classified, understanding complex ocean food webs, and exploring the different zones and features of our vast oceans.
Evidence of understanding
- 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
Assessment prompt
If The Ocean Floor 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?
Standards alignment
No external standards are linked to this topic.