Lab Safety and Science Quiz

What is the most important lab safety rule?

• Always wear gloves

• Never eat or drink in the lab

• Always follow the teacher's instructions

• Always work alone

If your body is on fire, you should:

• Run around

• Stop, drop, and roll

• Scream for help

• Pour water on yourself

Why are practical jokes not permitted in science class?

• They are not funny

• They can cause accidents

• They waste time

• They are distracting

What is the first thing you should do if an accident occurs?

• Clean up the mess

• Tell the teacher

• Ignore it

• Leave the room

What are the two main types of properties of matter?

• Physical and chemical

• Solid and liquid

• Mass and volume

• Density and weight

The temperature at which a liquid changes into a solid is called:

• Boiling point

• Melting point

• Freezing point

• Evaporation point

Which of the following results in a substance transforming into a completely new substance?

• Melting

• Freezing

• Chemical reaction

• Evaporation

Which element is found in all organic compounds?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon

The air that surrounds us is categorized as which of the following?

• Mixture

• Compound

• Element

• Solution

Which of the following is the name given to protons, electrons, and neutrons?

• Molecules

• Atoms

• Subatomic particles

• Ions