2. Instructions:
• Fill the gaps with the correct word to complete a
sentence.
• If your choice is right, say “It’s a well-known
fact”; if your choice is wrong, say “I didn’t know
that before”.
• Click the “ink blob” to check yourself.
• If you want to jump the next slide, click
• If you want to return to the first slide and then
exit Presentation Mode, click
•
end
3. H2O temperature is suitable for
organic….
Try again!farmingchemistryWell done!
4. The … contains 97% of Earth’s
water.
Try again!groundoceanWell done!
5. Our planet water is… of years
old.
Try again!hundredsbillionsWell done!
6. Pure water in nature is… and
not good for life.
Try again!lightrareWell done!