1. Scientific Enquiry
Grade 1

2. Cleaning the
king’s money

3. King Greedy is really worried. His
friend, King Lotsofcash, is coming to
visit and King Greedy wants to boast
about how much gold he has.

4. But he has been playing with his
money so much that when he looks
into his collection of purses and
wallets, he finds that all his coins are
dirty and dull.

5. He can’t boast to his friend if his cash doesn’t look clean
and bright. What can King Greedy to make his money
shiny?

6. Vocabulary

7. material

8. liquids

9. acids

10. dissolving

11. Structure

12. Comparative
The comparative degree is a comparative
form of an adjective or adverb.
For examples
• Our coins are cleaner than their coins.
• My money is dirtier than your money.
• An Orange Juice is better than Coca
Cola.

13. You will need