Question: Choose your answer.

Which is an example of a chemical change?

OPTIONS:
- sand separated from water by filtering
- water evaporating from a puddle
- a rock being eroded by wind
- a nail rusting in water
My Answer: a nail rusting in water

Question: Choose your answer.

The students watch ocean waves crash on a beach. Which statement describes what will most likely happen because of the waves?

OPTIONS:
- Grass on the beach will grow longer.
- Sand from the beach will wash away.
- Salt from the ocean will be left on the beach.
- Currents in the ocean will become stronger.
My Answer: Sand from the beach will wash away.

Question: Choose your answer.

What happens when water flows over a rock for a long period of time?

OPTIONS:
- erosion
- flooding
- breakage
- evaporation
My Answer: erosion

Question: Choose your answer.

A group of vertebrates has lungs, a body covered with scales, internal fertilization, and amniotic eggs. Which group of vertebrates does this describe?

OPTIONS:
- amphibians
- birds
- mammals
- reptiles
My Answer:
reptiles