Q: As a sample of water turns to ice,

OPTIONS:
- new molecules are formed.
- the mass of the sample is increased.
- the arrangement of the molecules changes.
- energy is absorbed by the molecules.
A: the arrangement of the molecules changes.
Q: During which season of the year would a rabbit's fur be thickest?

OPTIONS:
- fall
- spring
- summer
- winter
A: winter
Q: A common characteristic of all living things is that they

OPTIONS:
- breathe air.
- walk upright.
- are made of cells.
- use sunlight for growth.
A: are made of cells.
Q: Students measure the time for toy cars of different masses to roll down a hill. Which of the following units should the students use to measure time?

OPTIONS:
- centimeters
- grams
- milliliters
- seconds
A:
seconds