Q: What travels through the stem of a plant?

OPTIONS:
- water and food
- food and nectar
- nectar and soil
- soil and water
A: water and food
Q: Which term identifies a single unit of hereditary information?

OPTIONS:
- egg cell
- sperm cell
- nucleus
- gene
A: gene
Q: A group of students are observing a fish tank for a school assignment. The group is to share the observations with the class. Which statement about observations is true?

OPTIONS:
- Observations should always be recorded.
- Observations should be collected only once.
- Observations are only collected by scientists.
- Observations are always correct if used in a chart.
A: Observations should always be recorded.
Q: Angelo wants to know if the volume of water changes when it freezes. He measures the volume of water in its liquid state and then freezes it. Which tool did Angelo most likely use to measure the volume of the water?

OPTIONS:
- a microscope
- a thermometer
- a balance scale
- a graduated cylinder
A:
a graduated cylinder