Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather. Fact 2: Most soil is made of weathered rocks. Given the two facts above, what is soil made from?

OPTIONS:
- Rocks being formed
- Organic compounds
- organic molecules
- Rocks breaking down
- Rocks being buried in soil
- Rocks moving
- loose soil
- one celled organisms

Answer: Rocks breaking down

Fact 1: Shelter is used for protection by animals against weather. Fact 2: Shelter from weather is critical. Given the two facts above, what can kill animals? ?

OPTIONS:
- Daylight
- influenza
- Happiness
- bacteria
- Smoking
- Weather
- Sunsets
- A virus

Answer: Weather

Fact 1: Annelids have the amazing capacity to regrow segments that break off. Fact 2: Annelids have closed circulatory systems. Given the two facts above, what kind of circulatory system can some segmented animals have?

OPTIONS:
- organ
- insects
- made
- warm
- three
- complex
- closed
- epidermal

Answer: closed

Fact 1: Coal is used to produce electricity by burning in coal-fire power stations. Fact 2: Electricity is really the movement of electrons. Given the two facts above, coal is used to produce the movement of electrons by what in coal-fire power stations?

OPTIONS:
- cooling
- energy
- rotating
- burning
- heat
- engines
- mining
- sun's heat

Answer:
burning