fact and question: safety goggles are used for protecting the eyes during experiments
Question: Personal protection equipment is essential when

What's the answer? OPTIONS:
- experimenting with volatile and vaporous liquids
- dumping lab rats in the incinerator
- interfacing with tenured professors
- wearing a sports cup

answer: experimenting with volatile and vaporous liquids

fact and question: a tree is a source of food for birds in an ecosystem
Question: Which is likeliest to provide a home for many species?

What's the answer? OPTIONS:
- a fish tank
- human hair
- a fish
- a log

answer: a log

fact and question: carpet absorbs sound
Question: Why was my son-in-law required to add rugs or carpeting to his upstairs apartment when the ground floor wasn't?

What's the answer? OPTIONS:
- So it would look good then prospective renters took a tour
- Because they didn't want him to scratch up the wood floors.
- Because they didn't want the downstairs renters to be as likely to complain about noise
- Because they didn't want to pay for carpeting themselves.

answer: Because they didn't want the downstairs renters to be as likely to complain about noise

fact and question: living underground can be used for hiding from predators
Question: Moles are underground a lot of the time, and since few animals live there, they are unlikely to be

What's the answer? OPTIONS:
- dirty
- killed by others
- in dirt
- near worms

answer:
killed by others