Question: Fact 1: Cooking food requires adding heat energy. Fact 2: Many of foods that humans eat are cooked, recooked, and then warmed up. Given the two facts above, what do humans add to their food?
OPTIONS:
- nutrients
- Proteins
- Greenhouse gases
- pain
- gasoline
- Heat energy
- Energy.
- coal
Answer: Heat energy

Question: Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Indiana forests are complex ecosystems. Given the two facts above, what has a positive impact on forests?
OPTIONS:
- genetic diversity
- some invertebrates
- planting trees
- food and shelter
- lowered energy cost
- extinction of species
- logging
- canopy removal
Answer: planting trees

Question: Fact 1: If an object is in the sunlight then that object will absorb solar energy. Fact 2: An object's color determines how much solar energy it absorbs. Given the two facts above, an objects color determines how much it is affected by what?
OPTIONS:
- electrically
- perspiration
- Light
- forces
- temperature
- sunlight
- photons
- absorption
Answer:
sunlight