∆ 4. Cooling the boiling water caused the barrel to _______evvaporate_____________________.
∆ 5. ________________________ and temperature determine the shape of substances.
∆ 6. If your guess in an experiment is wrong, you should give up / test again.(highlight the correct answer)
∆ 7. The chemical reaction of vinegar and baking soda produced ______carbin__________________ dioxide.
∆ 8. ________________________ is the best way to learn about science.
∆ 9. Light waves _______________________ in water.
please help me