9. We need to apply heat to make the butter:
A. disappear
B. cook
C. melt
D. freeze
10. Why do some of the fishes in the aquarium die when not provided with an aerator?
A. Oxygen is lacking
B. Water is lacking
C. The space is too small
D. None of the above
11. The absence of oxygen in lighting a kerosene lamp will cause the flame to:
A. blow out
B. flare
C. ignite
D. extinguish
12. The presence and absence of oxygen in any material will result in:
A. change in material
B. no change in material
C. survival of material
D. disappearance of material
13. Mother is planning to bake lasagna on her coming birthday party. What should mother do to make the lasagna cheesy?
A. Use a quick melt cheese
B. Use any kind of cheese
C. Use a cheese that does not melt
D. None of the above
14. My friend Alyssa is washing clothes. She wanted to make her laundry dry. What is the best thing to do?
A. Hang the clothes under the heat of the sun
B. Place the laundry near the stove
C. Squeeze each cloth strongly
D. Place a heater near the laundry
15. Claire bought many small fishes to be placed in the aquarium. To help them survive, she needs to have:
A. Plenty of water
B. Beautiful aquarium
C. An aerator to supply oxygen
D. Lots of decoration