Fact 1: Astronauts require preserved food for extended flights. Fact 2: On their trips into space, astronauts eat foods preserved by irradiation. Given the two facts above, what food do astronauts eat while in space?

OPTIONS:
- layers of fat
- squids
- Proteins
- fur and fat
- kinetic energy
- sea urchins
- nutrients
- Irradiated

Answer: Irradiated

Fact 1: Beads of water are formed by water vapor condensing. Fact 2: Water, for example, is a liquid. Given the two facts above, vapor doing what forms beads of liquid?

OPTIONS:
- energy barrier
- condensing
- a solute
- boiling
- unidirectional
- motion
- kinetic energy
- evaporation

Answer: condensing

Fact 1: Plants exhibit phototropism, or growing toward a light source. Fact 2: Light comes from the sun. Given the two facts above, what is plant's tendency to grow toward the sun called?

OPTIONS:
- photomorphism
- phototropism
- photosynthesis
- peachleaf willow
- Conifers
- Exfoliation
- vegetation
- photochromic

Answer: phototropism

Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Audible ground fireworks, such as firecrackers and chasers, are illegal in Kentucky. Given the two facts above, audible ground fireworks convert chemical energy into what?

OPTIONS:
- Light
- chemical energy
- matter
- plasma
- sound
- energy
- heat
- fire

Answer:
sound