Fact 1: Urine is the liquid waste product of the body that is excreted by the urinary system. Fact 2: After urination, dry the end of the penis and replace the foreskin. Given the two facts above, what comes out the end of the penis?

OPTIONS:
- Chemical energy
- liquid waste
- A Greek letter
- Energy
- feces
- Electrical energy
- solid waste
- distilled water

Answer: liquid waste

Fact 1: Hydrogen bonds cause water to expand when it freezes. Fact 2: Deuterium, or heavy hydrogen, is an isotope of hydrogen, or a hydrogen atom with a neutron added. Given the two facts above, the bonds of that which when heavy is Deuterium cause what to expand when it freezes?

OPTIONS:
- matter
- rings
- CO 2
- liquids
- gas
- solutes
- cations
- water

Answer: water

Fact 1: Mammals can also generate little bursts of heat by shivering. Fact 2: Polar bears are mammals. Given the two facts above, what can polar bears do to generate heat?

OPTIONS:
- make fire
- eat ice
- stay warm
- nothing
- fur
- motors
- shiver
- sweating

Answer: shiver

Fact 1: Eyes are used for seeing by animals by sensing light. Fact 2: Pigs are very intelligent animals. Given the two facts above, what uses eyes for seeing by sensing light?

OPTIONS:
- oak tree
- bears
- pigs
- humans
- clouds
- Whales
- the sun
- tigers

Answer:
pigs