A scientist will record the results of their experiments. They will record any changes made to independent variables and the results those changes had on the dependent variables.

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?