Q: Fact 1: If two balanced forces act on an object in opposite directions then that object will remain stationary. Fact 2: If an object is at equilibrium, then the forces are balanced. Given the two facts above, what is a stationary object?

OPTIONS:
- moving
- in the frog family
- Under 32 degrees
- dying
- By coral exoskeletons
- at equilibrium
- solid, liquid, gas
- h2o

A: at equilibrium

Q: Fact 1: If a planet becomes too hot then that planet cannot sustain life. Fact 2: If a planet is too close to a star, then it will be too hot for liquid water to exist. Given the two facts above, if a planet cannot sustain life, then the planet may be too close to what?

OPTIONS:
- a ship
- Sun
- sunlight
- earth
- a crater
- an object
- a moon
- a star

A: a star

Q: Fact 1: Rivers are usually larger than streams. Fact 2: Watersheds are creeks, streams and rivers. Given the two facts above, what are rivers?

OPTIONS:
- dangerous
- storing water
- watershed
- kalenchoes
- they bend
- rainy
- kinetic
- strong

A: watershed

Q: Fact 1: Plastics are made from petroleum and produce toxic waste. Fact 2: Petroleum is a fossil fuel . Given the two facts above, what is made from fossil fuels?

OPTIONS:
- renewable resources
- Fuel cells
- the Sun
- water
- plastic
- emissions
- gasoline
- cigarettes

A:
plastic