Fact 1: Hydrogen bonds cause water to expand when it freezes. Fact 2: Frostbite is the actual freezing of tissue. Given the two facts above, what causes frostbite of tissue?
OPTIONS:
- an object
- hydrogen bonds
- heating liquids
- Veins and arteries.
- Generating heat
- evaporation
- heat produced
- dehydration
hydrogen bonds

Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Human beings live within the world's ecosystems. Given the two facts above, what does planting trees have a positive impact on?
OPTIONS:
- animals
- sun
- humans
- watershed
- stars
- habitat
- earth
- moon

Answer: humans

Question: Fact 1: Aradio converts electrical energy into vibrations. Fact 2: Electric energy is stored in batteries. Given the two facts above, what does a radio use to make vibrations?
OPTIONS:
- waves
- rays or beams
- a battery
- an object
- barrel-shaped
- nerves
- Loud noises
- it needs them
Answer: a battery

input with options: Fact 1: Condensation is when change from a gas into a liquid by reducing heat energy. Fact 2: Condensation is the reverse of vaporization , or change from liquid to gas. Given the two facts above, what happens when there is an increase in heat energy?
OPTIONS:
- Evaporation
- hyperthyroidism
- vaporization
- Firecrackers
- global warming
- electricity
- sweating
- motion
output: vaporization

Q: Fact 1: Absorbing energy causes objects to heat. Fact 2: Black objects are the best heat absorbers. Given the two facts above, which object is likely to heat the fastest?

OPTIONS:
- layers of fat
- our nearest star
- a green object
- solid, liquid, gas
- supersonic
- a pink object
- a white object
- a black object

A: a black object

Fact 1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Fact 2: Ethanol is a domestically produced, renewable fuel. Given the two facts above, alcoholic fermentation of the glucose in corn produces what?
OPTIONS:
- Organic compounds
- solid, liquid, gas
- Chemical energy
- bioaerosols
- harmful substances
- heat energy
- renewable fuel
- kinetic energy
renewable fuel