Question: Fact 1: Amutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring. Fact 2: Mutations are accidental alterations of the genetic code in a cell. Given the two facts above, what can appear due to accidental alterations of the genetic code in a cell?
OPTIONS:
- symptoms
- hyperthyroidism
- Plastic cell membranes
- Metallic DNA
- Groupings of nano-cells
- New traits
- disease
- viruses
Answer: New traits

Question: Fact 1: Nuclear reactions in stars causes stars to produce light. Fact 2: Like the Sun, stars generate light and heat through nuclear fusion. Given the two facts above, what causes stars to produce light?
OPTIONS:
- nucleus
- energy
- gases
- mitosis
- fusion
- chemicals
- fire
- boiling
Answer: fusion

Question: Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather. Fact 2: Water is a mechanical weathering force. Given the two facts above, what breaks rocks down?
OPTIONS:
- In the winter
- Calcium carbonate
- an engine
- the Great Barrier Reef
- mechanical force
- permineralization
- at or near the margins
- mechanical
Answer:
mechanical force