Fact 1: Freezing means changing from a liquid into a solid by reducing heat energy. Fact 2: All temperatures are measures of heat energy. Given the two facts above, reducing temperature changes what?

OPTIONS:
- Evaporation
- Dehydration
- solids to gases
- gases to liquids
- liquids to solids
- Quality of life
- solids to liquids
- They may not survive.

Answer: liquids to solids

Fact 1: Sand dunes are formed by the wind transporting and depositing sand. Fact 2: Sand dunes provide a habitat for several rare plant species. Given the two facts above, a habitat for several rare plant species is formed by the wind transporting and depositing what?

OPTIONS:
- dirt
- soils
- coal
- peat
- rocks
- crust
- sand
- earth

Answer: sand

Fact 1: Reproduction is the process by which organisms give rise to offspring. Fact 2: Sex equals reproduction. Given the two facts above, what's the process by which organisms give rise to offspring?

OPTIONS:
- RNA
- ovum
- only meiosis
- life
- sex
- eggs
- babies
- DNA

Answer: sex

Fact 1: High pressure systems cause clear weather. Fact 2: Clear weather is caused by sinking air. Given the two facts above, what causes high pressure systems?

OPTIONS:
- rainfall
- hyperthyroidism
- heating liquids
- mechanical
- chemical changes
- sinking air
- fossil fuels
- our nearest star

Answer:
sinking air