Question: Fact 1: Producing thrust causes something to move. Fact 2: An engine is needed to provide the thrust for forward motion. Given the two facts above, causing something to move can need what?
OPTIONS:
- heat energy
- a disc
- a meal
- energy
- an engine
- voltage
- a stick
- arteries
Answer: an engine

Question: Fact 1: Agasoline lawn mower converts gasoline into motion. Fact 2: Range of motion is the natural distance and direction of movement of a joint. Given the two facts above, what does a gasoline lawn mower convert gasoline into?
OPTIONS:
- heat energy
- minerals
- water
- movement
- Energy.
- natural gas
- heat
- energy
Answer: movement

Question: Fact 1: Burning wood is used to produce heat. Fact 2: Food is cooked by the steam and heat. Given the two facts above, what is burning wood used for?
OPTIONS:
- making trees
- staying warm
- engines
- replanting trees
- cooking food
- removing heat
- Electrical energy
- warmth
Answer:
cooking food