Q: Fact 1: Aflashlight requires a source of electricity to produce light. Fact 2: Electricity is usually provided by batteries or AC current. Given the two facts above, what can a flashlight use to produce light? | OPTIONS:
- energy usage
- calcite
- prism
- batteries
- gold
- energy
- heat energy
- thoughts
A: batteries

Q: Fact 1: Arefrigerator is used for keeping food fresh for a long period of time. Fact 2: To prevent bacterial food poisoning, the basic rule is to keep hot foods hot and cold foods cold. Given the two facts above, what prevents cold food from growing poisonous bacteria? | OPTIONS:
- Dehydration
- Cooking
- a hydraulic system
- sweating
- refrigerators
- fur and fat
- an electric stove
- hard outer covering
A: refrigerators

Q: Fact 1: Folding an object causes that object to change shape. Fact 2: Transform is a generic term meaning change the shape. Given the two facts above, folding an object causes that object to what? | OPTIONS:
- transform
- wither
- improve
- Heat energy
- Energy.
- devolve
- break
- It expands
A: transform

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