input: OPTIONS:
- heat energy
- protons
- Solar energy
- neutrons
- direct energy
- energy
- electrons
- light switch Now, answer this question: Fact 1: When electricity flows to a light bulb , the light bulb will turn on. Fact 2: Electricity is electrons in motion. Given the two facts above, what flows to a light bulb to turn it on?
A:
output: electrons

Fact 1: Exercise has a positive impact on a human 's health. Fact 2: Exercise is critical to bone health. Given the two facts above, what are bones kept healthy by?

OPTIONS:
- exercise
- food
- animals
- nutrients
- reduced heat
- Cooking
- Proteins
- cells

Answer: exercise

Problem: OPTIONS:
- focusing a lens
- Chemical energy
- fossil fuels
- all liquids
- a solute
- chemical changes
- an electron lens
- squids
Q: Fact 1: Water causes refraction of light. Fact 2: Water includes all liquids. Given the two facts above, what causes the refraction of light?
Answer: all liquids

Problem:OPTIONS:
- the Sun
- peachleaf willow
- Conifers
- killer whales
- perennials
- generators
- passenger pigeons
- light bulbs

Fact 1: Animals use saturated fatty acids to store energy. Fact 2: Killer whales are social animals. Given the two facts above, what uses saturated fatty acids to store energy?
****
A: killer whales

Fact 1: An animal requires nutrients for survival. Fact 2: Animals and humans eat plants for their nutrients. Given the two facts above, animals and humans need to eat plants to what?
OPTIONS:
- get pregnant
- survive
- be happy
- health
- energy
- reproduce
- be productive
- Energy.
survive

Fact 1: Ultraviolet light causes sunburn. Fact 2: Ultraviolet Rays Ultraviolet rays are more powerful at elevation. Given the two facts above, where are you more likely to get a sunburn?
OPTIONS:
- at elevation
- the skin
- on covered places
- at sea level
- chemical reaction
- dry and hot
- on your bottom
- near the shoreline

Answer:
at elevation