Question:
Which of the following is found in all living organisms?
OPTIONS:
- cell
- organ
- organ system
- tissue
Answer:
cell
Question:
Which of the following statements best describes one way that the Moon is different from Earth?
OPTIONS:
- The Moon is not solid.
- The Moon has no gravity.
- The Moon has almost no atmosphere.
- The Moon receives almost no solar light.
Answer:
The Moon has almost no atmosphere.
Question:
Which type of energy in gasoline is transformed into mechanical energy in a motorcycle engine?
OPTIONS:
- chemical
- nuclear
- magnetic
- electrical
Answer:
chemical
Question:
Base your answer on the information below and on your knowledge of science. A baseball strikes the roof of a car and dents it. The paint on the roof begins to crack and chip, exposing the metal. The exposed metal on the roof rusts, eventually causing a small hole in the roof. Which event is a chemical change?
OPTIONS:
- The baseball strikes the roof.
- The roof of the car dents.
- The paint cracks and chips.
- The exposed metal rusts.
Answer:

The exposed metal rusts.