Q: What happens to the electrical conductivity of metals when placed in a pot of boiling water? A:
OPTIONS:
- stays the same
- increases slowly
- increases quickly
- decreases slowly

Answer: decreases slowly

Question: Q: The addition of heat changes liquid water to what? A:
OPTIONS:
- rainwater
- ice
- distilled water
- water vapor
Answer: water vapor

input with options: Q: Photochemical smog consists mainly of what? A:
OPTIONS:
- acid
- oxygen
- carbon
- ozone
output: ozone

Q: Q: Colloids are used industrially as what? A:

OPTIONS:
- organisms
- impurities
- solutions
- catalysts

A: catalysts

input: OPTIONS:
- weight
- diet
- age
- activity level Now, answer this question: Q: Synaptic connections can change over time depending on what? A:
A:
output: activity level

Question: Q: Salt in seawater causes it to have greater what, which is also affected by temperature and pressure? A:
OPTIONS:
- mass
- volume
- area
- density
Answer:
density