Fact 1: Wind is used for producing electricity. Fact 2: Wind Turbines Wind turbines are windmills that generate electricity. Given the two facts above, turbines are used to what?

OPTIONS:
- direct energy
- Metling snow
- run a car
- produce electricity
- kinetic energy
- chop trees
- lift heavy objects
- enormous damage to homes

Answer: produce electricity

Fact 1: When a plant grows , the size of the leaves of that plant may increase. Fact 2: Light makes plants grow tall. Given the two facts above, what makes plants leaves get bigger?

OPTIONS:
- Light
- heat
- Enzymes
- energy
- Snow
- Darkness
- Wind
- Dry soil

Answer: Light

Fact 1: Urine leaves the body through a sphincter in the process of urination. Fact 2: Muscles around the urethra, called sphincter muscles, control the flow of urine out of the body. Given the two facts above, what controls the urination process?

OPTIONS:
- microorganisms
- mechanical waves
- that material's properties
- the looseness of soil
- Muscles around the urethra
- Bones around the urethra
- The brain
- Muscles around the anus

Answer: Muscles around the urethra

Fact 1: Transpiration is when water vapor moves from plants into the atmosphere. Fact 2: Water vapor in the atmosphere condenses, then falls to the earth's surface as rain and snow. Given the two facts above, what is when water vapor moves from plants and falls to the earth's surface as rain and snow?

OPTIONS:
- transpiration
- Condensation
- evaporation
- Heat energy
- Wet weather
- colder weather
- Physical weathering
- local weather

Answer:
transpiration