Q: Q: What is making measurements that are close to the true value known as? A:

OPTIONS:
- estimation
- frequency
- prediction
- accuracy

A: accuracy

input: OPTIONS:
- transient particle
- radioactive particle
- ultraviolet particle
- gamma particle Now, answer this question: Q: What is the"packet" of energy called that the nucleus emits during gamma decay? A:
A:
output: gamma particle

Q: What is always conserved in chemical reactions? A:

OPTIONS:
- energy
- bonds
- force
- mass

Answer: mass

Problem: OPTIONS:
- biologist
- entymologist
- anthropologist
- epidemiologist
Q: Q: What is a person who studies the frequency and distribution of disease within human populations and environments called? A:
Answer: epidemiologist

Problem:OPTIONS:
- magnesium
- calcium
- nitrogen
- chlorine

Q: Hydrogen chloride contains one atom of hydrogen and one atom of what? A:
****
A: chlorine

Problem:OPTIONS:
- polymer substances
- devil substances
- eerie substances
- phosphorescent substances

Q: What makes luminous dials glow in the dark? A:
****
A:
phosphorescent substances