Fact 1: Gravity pulls objects towards planets. Fact 2: Gravity is created by the mass of a planet, star or other celestial body. Given the two facts above, what does gravity pull objects closer to?

OPTIONS:
- Something to move
- celestial bodies
- mouth of rivers
- satellites
- the galaxy
- solar system
- clouds
- kinetic energy

Answer: celestial bodies

Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Some substances can cause severe injury or death if inhaled or touched. Given the two facts above, what can treating water prevent?

OPTIONS:
- death
- rabies
- Wealth accumulation
- fire
- erosion
- safety
- mildew
- capitalism

Answer: death

Fact 1: Bacteria can cause people to become ill. Fact 2: Serious illness needing hospitalization is uncommon. Given the two facts above, bacteria can cause people to need what?

OPTIONS:
- pillows
- hydration
- treats
- hospitalization
- food and shelter
- aerobic capacity
- body water
- candy

Answer: hospitalization

Fact 1: Urine is the liquid waste product of the body that is excreted by the urinary system. Fact 2: Urine tests detect drugs used up to 36 hours before a given urine collection. Given the two facts above, which bodily system excretes a substance commonly used in drug testing?

OPTIONS:
- Evaporation
- urinary system
- animals
- aqueous solution
- cardiovascular system
- opiate system
- Integumentary system
- sweating

Answer:
urinary system