Question: Choose your answer.

To safely conduct an experiment using chemicals, what should students always do?

OPTIONS:
- Work in large groups.
- Wear safety goggles.
- Wear short sleeves.
- Keep a window open.
My Answer: Wear safety goggles.

Question: Choose your answer.

A patient visits the doctor for a checkup and is diagnosed with skin cancer. Which of the following is the most likely cause of this disease?

OPTIONS:
- poor eating and sleeping habits
- exposure to ultraviolet rays
- a defect in the person's immune system
- working with plants and animals
My Answer: exposure to ultraviolet rays

Question: Choose your answer.

When a balloon is filled with air and suddenly released, it will fly around the room as the air escapes. If compared to space transportation, the escaping air is most similar to what subsystem of a spacecraft?

OPTIONS:
- guidance
- propulsion
- support
- suspension
My Answer: propulsion

Question: Choose your answer.

In the human body the digestion of proteins takes place primarily in which two organs?

OPTIONS:
- Mouth and stomach
- Stomach and small intestine
- Liver and gall bladder
- Pancreas and large intestine
My Answer:
Stomach and small intestine