Q: Fact 1: When electricity flows to a light bulb , the light bulb will turn on. Fact 2: Coal-fired electric generation is a low cost source of electricity. Given the two facts above, a light bulb will turn on when something generated from what flows to it? | OPTIONS:
- energy
- gas
- sun
- SO2
- copper
- Coal
- matter
- wind
A: Coal

Q: Fact 1: Amirror is used for reflecting light. Fact 2: Float glass, reflective glass, laminated glass, mirrored float glass. Given the two facts above, reflective glass is used for reflecting what? | OPTIONS:
- a wave
- empathy
- darkness
- the sun
- photons
- Joules
- light
- glass
A: light

Q: Fact 1: If a tree falls then sunlight becomes available to the surrounding plants. Fact 2: All oaks are trees. Given the two facts above, how can sunlight get to plants surrounding an oak? | OPTIONS:
- the oak can get wider
- at or near the margins
- the oak can fall
- the oak can stay in place
- competing for resources
- hydrogen and oxygen
- the oak can get taller
- by indirect light
A: the oak can fall

Q: Fact 1: Pollination is the fertilization step in the sexual reproduction of plants. Fact 2: Pollination is mostly by honeybees, and wind pollination is limited. Given the two facts above, plant reproduction is often assisted by what insect? | OPTIONS:
- wasps
- crickets
- ants
- salamanders
- honeybees
- animals
- seeds
- vegetation
A: honeybees