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mock revision
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
Check
Across: 1. light travels how many kilometres per second? 7. what travels in straight lines 8. type of bonding in a water molecule 10. the units of energy and work 11. watts are the units of what? 13. Is NaCl an element or a compound? 15. work done is force times what 16. Is NaOH an acid or a base? 17. group 1 metals are called _______ metals 18. a type of tooth that grinds food
Down: 2. a seesaw, a scissors and a wheelbarrow are examples of this 3. the type of bonding in NaCl 4. animal cells do not have this 5. how to separate liquids with 2 different boiling points 6. how do plants make their own food? 7. objects that make their own light 9. units of force 12. A very reactive group 1 metal 14. In which state of matter do particles move the fastest?
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