Question: Fact 1: Carbon may be stored in sedimentary rock for millions of years. Fact 2: Forests are a natural store of carbon. Given the two facts above, forests naturally keep what?
OPTIONS:
- ants
- fish
- carbon
- ferns
- firs
- rainfall
- heat
- protected
Answer: carbon

Question: Fact 1: All chemical reactions require activation energy to get started. Fact 2: Catalysts lower the activation energy. Given the two facts above, in what way does a catalyst help in chemical reactions?
OPTIONS:
- Generating heat
- lowered energy cost
- metabolic reaction
- heating liquids
- by making heat
- adding heat
- increases a body's strength
- preventing heat transfer
Answer: lowered energy cost

Question: Fact 1: Bird beaks are generally adapted for the food they eat. Fact 2: An adaptation is an inherited variation that helps an organism to survive. Given the two facts above, what are inherited?
OPTIONS:
- stones
- anemia
- four limbs
- colors
- Bird beaks
- magic
- the eyes
- dirt
Answer:
Bird beaks