Across
- 4. Oceans are ______ to 50-80 percent of all species on Earth, from whales to plankton.
- 5. Oceans _______ carbon dioxide and give out oxygen.
- 6. ______ 8 is UN World Oceans Day.
- 7. Billions and billions of pieces of plastic are ____ing around in our oceans and from Garbage Patch.
- 8. _______ pollution is harming and killing sea creatures.
- 9. The ______ Ocean is the biggest of five oceans on Earth.
- 10. 71 percent of our planet is covered in _______ and that's why we call Earth the "Blue Planet."
- 11. We can use the power of ______ and tides to produce electricity.
- 12. Because of global warming, the ice is _______ing.
Down
- 1. 99 percent of internet _____ between countries goes via submarine cables.
- 2. We've been getting oil and gas _______ the ocean floor.
- 3. The ______ Ocean is the smallest and frozen for much of the year.
- 8. Join in a beach clean-up to help ______ plastic and other rubbish getting into the sea.
