| 10. | A helium balloon, when released outdoors, will only rise a few thousand feet because the heat of the sun will pop it. |
| 9. | When you suck soda through a drinking straw, you are using force to pull the soda upward. |
| 8. | A submarine uses its propulsion engines to dive or surface. |
| 7. | Objects float better in hot water than in cold water. |
| 6. | A special kind of boat called a hovercraft "floats" on a cushion of air rather than "floating" in the water. It is accurate to say that anything that hovers in the air is "floating". |
| 5. | A glass of ice water, filled to the brim, will overflow once the ice melts. |
| 4. | When a boat or other object floats, buoyant force holds it up but when that same object is submerged and sinks, the buoyant force goes away. |
| 3. | An obese person will usually have more trouble staying afloat in a swimming pool than a thin person will. |
| 2. | A helium balloon floats in air because the helium pushes upward on the inside of the balloon. |
| 1. | For a boat to float, it must be made from a material that itself will not sink when placed in water. |