Q: Fact 1: Electrical current running through a wire causes that wire to heat up. Fact 2: Electricity is a kinetic energy. Given the two facts above, _ running through a wire causes that wire to heat up? | OPTIONS:
- sunlight
- hydrogen and oxygen
- activation energy
- to move people
- an object
- rays or beams
- kinetic energy
- reflecting light
A: kinetic energy

Q: Fact 1: Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain. Fact 2: Acid rain is very bad and can hurt the environment. Given the two facts above, gases from burning coal and oil dissolving in water in the atmosphere can hurt what? | OPTIONS:
- agriculture
- people
- sun
- the past
- animals
- environment
- moon
- climate
A: environment

Q: Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: An ocarina is a multiple-tone whistle. Given the two facts above, what happens to the air inside an ocarina when you blow into it? | OPTIONS:
- It expands
- evaporation
- moves
- waves
- Temperature
- vibrates
- It decreases
- friction
A: vibrates

Q: Fact 1: Lakes are generally bigger and deeper than ponds. Fact 2: Frogs start out life in ponds and puddles. Given the two facts above, lakes are generally bigger and deeper than the birth home of what animal? | OPTIONS:
- salmon
- swea
- Lemurs
- mammals
- Frogs
- Sharks
- cows
- Birds
A: Frogs