Fact 1: Agenerator converts kinetic energy into electrical energy. Fact 2: Electricity A kWh is a unit of electricity. Given the two facts above, what is a unit that produces kWh?

OPTIONS:
- energy
- homogenous
- engines
- kinetic energy
- rays or beams
- bamboo
- a generator
- positive

Answer: a generator

Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: Electrical engineers work on power plants, computers, and other electrical devices. Given the two facts above, a battery-powered computer requires a what for electricity to flow?

OPTIONS:
- direct energy
- closed circuit
- kinetic energy
- broken circuit
- open air
- hydrogen and oxygen
- heat energy
- open circuit

Answer: closed circuit

Fact 1: Producing thrust causes something to move. Fact 2: Then the engine spins up and starts producing thrust. Given the two facts above, what do engines cause?

OPTIONS:
- silence
- Something to move
- reproduction
- birth
- energy of moving objects
- heat energy
- Chemical energy
- harmful substances

Answer: Something to move

Fact 1: Producers make food from inorganic molecules. Fact 2: Decomposition is the breakdown of organic molecules into inorganic molecules. Given the two facts above, what helps producers make food?

OPTIONS:
- Decomposition.
- heat energy
- honeybees
- Chemical energy
- Electrical energy
- animals
- an electric stove
- Power plants

Answer:
Decomposition.