Question: Fact 1: If an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity. Fact 2: For most purposes, Newton's law of gravity is extremely accurate. Given the two facts above, if an object in a fluid is more dense then it will sink due to whose law?
OPTIONS:
- Newton
- density
- forces
- heat
- similar
- salinity
- friction
- power
Answer: Newton

Question: Fact 1: Evolution occurs in response to a change in the environment. Fact 2: Climate change is likely to have a significant impact on the global environment and human society. Given the two facts above, a significant evolutionary response might be the result of what?
OPTIONS:
- Plant reproduction
- Greenhouse gasses
- climate change
- rapid expansion
- Plants growth
- competition
- Chemical energy
- Electrical energy
Answer: climate change

Question: Fact 1: Energy is used for heating a building by a heating system. Fact 2: Radiators are used to heat the building, The energy source is oil. Given the two facts above, what is used to heat a building?
OPTIONS:
- water
- iron
- coal
- fire
- gas
- CFCs
- oxygen
- oil
Answer:
oil