Pre Test Directions: Read the questions carefully. Write the letter of the correct answer on the blank provided before each number. 1. Which shows a chemical change? A. cutting a piece of paper C. grinding of pork B. burning a piece of wood D. slicing a piece of cake 2. Cut an apple in the middle and leave it for an hour. What do you notice with its fleshy part? A. It produced a gaseous substance. B. Nothing happened to the fleshy part. C. The fleshy part turned yellowish brown. D. The size of the banana was reduced. 3. Which process involves a physical change? A. rusting nail C. burning wood B. lighting a match 4. Your little brother and sister are playing, you saw a rusting nail on a wood near them that may cause harm when stepped on, what will you do? A. Pick up the nail and keep it in a safe place. B. Ignore it and join your little brother and sister in playing. C. Call an ambulance for emergency. D. Ask your father why there are nails on the floor. 5. What will happen to the lighted candle when you cover it with a jar? It will... A. change color. B. change in size. C. continue burning.amon 9. a emon D. gradually stops D. tearing of paper into smaller pieces​