Q: Fact 1: Astronauts require preserved food for extended flights. Fact 2: An astronaut is a scientist who is a space explorer. Given the two facts above, space explorers require preserved foods for? | OPTIONS:
- ground training
- nutrients
- Dehydration
- survival
- long flights
- short flights
- Special disposal
- day trips
A: long flights

Q: Fact 1: Seasons cause change to the environment. Fact 2: Winter is a horrible season. Given the two facts above, what does winter cause? | OPTIONS:
- a lot of human deaths
- the earth to rotate
- exposure to cold
- the stars to shine
- the sun to rotate
- Decreased precipitation
- change to the environment
- decreases its bodily water
A: change to the environment

Q: Fact 1: An animal requires nutrients to grow and heal. Fact 2: Food is the ideal source of nutrients. Given the two facts above, what does an animal require food for? | OPTIONS:
- hydration
- to grow and heal
- for cold
- aerobic capacity
- organic molecules
- food and shelter
- to chill
- for electricity
A: to grow and heal

Q: Fact 1: Eyes are used for seeing by animals by sensing light. Fact 2: Visible and invisible light is energy in the form of electromagnetic waves. Given the two facts above, eyes are used by animals for seeing by sensing what? | OPTIONS:
- focusing a lens
- an electron microscope
- objects that have mass
- chemical messengers
- basic building blocks of life
- electromagnetic waves
- matter vibrating
- rain or sun shine
A: electromagnetic waves