Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: Fans move air, providing a cooling breeze. Given the two facts above, what in an electric fan provides a cooling breeze?
OPTIONS:
- kinetic energy
- metal face
- heat energy
- activation energy
- Solar energy
- plastic buttons
- vanes rotating
- electric cord

Answer: vanes rotating

Fact 1: Aglacier causes mechanical weathering. Fact 2: Pysical weathering is the mechanical breakdown of rocks. Given the two facts above, what do glaciers do to rocks?
OPTIONS:
- form them
- melt them
- protect them
- storing water
- throw them
- It expands
- Water expanding
- break them down

Answer: break them down

Fact 1: Plant reproduction requires pollination. Fact 2: Pollination is by flies, wasps, and bees. Given the two facts above, plant reproduction requires something done by what?
OPTIONS:
- trees
- Wasps
- Wind
- seeds
- DNA
- animals
- insects
- mitosis

Answer:
Wasps