Q: When plants undergo photosynthesis, a reaction produces sugar, oxygen, and water. During respiration, stored energy from the products of photosynthesis is converted to usable energy. In what form is the energy stored prior to use in respiration?

OPTIONS:
- chemical energy
- kinetic energy
- light energy
- heat energy
A: chemical energy
Q: What determines how long the Moon takes to complete one cycle of phases?

OPTIONS:
- the period of rotation of the Moon around its axis
- the period of revolution of the Moon around Earth
- the period of rotation of Earth around its axis
- the period of revolution of Earth around the Sun
A: the period of revolution of the Moon around Earth
Q: A student conducts an investigation. In order to make a valid conclusion, she must

OPTIONS:
- have a testable hypothesis.
- place the data in a graph.
- use the best technology.
- test multiple variables.
A: have a testable hypothesis.
Q: What tool is used to determine the mass of an object?

OPTIONS:
- Balance
- Meter stick
- Thermometer
- Graduated cylinder
A:
Balance