Fact 1: Freezing causes a solid to form. Fact 2: Then liquid freezes to a solid. Given the two facts above, what can liquid turn into?

OPTIONS:
- nitrogen
- fire
- solid
- lipids
- energy
- dirt
- gas
- A drug.

Answer: solid

Fact 1: Sediment is formed by weathering. Fact 2: Sedimentary rocks are made from sediment. Given the two facts above, sedimentary rocks are formed by ?

OPTIONS:
- a solute
- calcite
- weathering
- graptolites
- salinity
- rainfall
- movement
- thrust

Answer: weathering

Fact 1: Mutations may change the structure of a chromosome or just change a single nucleotide. Fact 2: DNA is made up of nucleotides. Given the two facts above, what can change the structure of DNA?

OPTIONS:
- Mutations
- rays or beams
- Genes
- radiation
- DNA
- Smoking
- Microscope
- Chemicals

Answer: Mutations

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, a scientist who is a space explorer requires what for extended flights?

OPTIONS:
- preserved food
- salt and water.
- hydration
- a hydraulic system
- useless heavy objects
- short-lived food
- hydrate their cells
- perishable food

Answer:
preserved food