The ocean and the atmosphere. Ocean resources
Answers are for parents and teachers.
1
Find 3 main warm and cold currents of the oceans in the atlas and write them (for example the Gulf Stream, Peru Current).
Sample: Gulf Stream — warm (Atlantic); Peru Current — cold (Pacific); Benguela Current — cold (Atlantic).
2
What happens when plastic waste reaches the sea? Write 3 sentences and name one thing you can do.
Plastic does not rot for hundreds of years and animals die eating it; we can sort waste and use less plastic.
3
If 2 000 kg of ocean water has salinity 35 ‰, how many kg of salt does it contain?
70
4
The Earth’s surface area is about 510 million km² and the World Ocean covers 361 million km². How many million km² is land?
149