Q: Fact 1: Freezing means changing from a liquid into a solid by reducing heat energy. Fact 2: Liquid water holds a huge amount of heat energy and resists changes of state to solid or gas. Given the two facts above, what turns a liquid into a solid? | OPTIONS:
- The bending of a ray of light
- decreasing liquid
- reducing heat energy
- Warm air moving into cold air
- movement of tectonic plates
- keeping current temperature
- adding more heat
- evaporation
A: reducing heat energy

Q: Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Cephalopods have the most advanced nervous systems of all invertebrates. Given the two facts above, what has a complex nervous system? | OPTIONS:
- insects
- Airplanes
- Rocks
- elephants
- humans
- animals
- h2o
- Cephalopods
A: Cephalopods

Q: Fact 1: Fog is formed by water vapor condensing in the air. Fact 2: But suddenly a fog, a haze, began to form. Given the two facts above, what is formed when water vapor condenses in the air? | OPTIONS:
- NaCl
- a wave
- ice
- rain
- clear skies
- sweat
- haze
- rocks
A: haze

Q: Fact 1: Playing is one way mammals and other animals learn how to behave. Fact 2: Bored animals play, according to Spencer. Given the two facts above, what do animals get? | OPTIONS:
- nectar
- food
- bored
- kicked
- warmth
- looser
- anemia
- fever
A: bored