Lab Safety Symbols

Multiple Choice

Which of the following best describes the purpose of safety symbols in science classrooms?

• To decorate the classroom

• To warn and protect people from hazards

• To provide instructions for experiments

• To label classroom equipment

Open Ended

Why is it important for students to recognize and understand safety symbols in the science classroom?

Multiple Choice

Which of the following is NOT a reason for using safety symbols in a laboratory setting?

• To prevent accidents by alerting people to dangers before they occur.

• To promote awareness of safety procedures and required protective equipment.

• To ensure safe behavior during experiments involving chemicals, heat, or biological materials.

• To make experiments more difficult for students.

Open Ended

Explain why it is important to always wear goggles when working with substances that could splash or break in the laboratory.

Multiple Select

Which of the following actions should you take when working with flammable materials?

• Keep them away from open flames or heat sources.

• Store them in proper containers.

• Handle them carelessly.

• Warn others that the substances can easily catch fire.

Fill in the Blank

The safety symbol for biohazard indicates the presence of biological materials such as bacteria, viruses, or ___ samples.

Multiple Choice

What should you do if you are working with harmful vapors or fumes in the laboratory?

• Work in a closed room with no ventilation.

• Use a fume hood or ensure good ventilation.

• Ignore the fumes and continue working.

• Taste the chemicals to check for danger.

Multiple Choice

What does the poison symbol look like?

• A pair of goggles

• A flame

• A skull and cross bones

• A test tube

Multiple Choice

Which of the following is a precaution you should take when you see the electrical hazard safety symbol in the lab?

• Keep liquids away from outlets and cords.

• Touch electrical equipment with wet hands.

• Ignore the symbol if you are careful.

• Use any outlet for any device.

Open Ended

Why is it important to know what each safety symbol means and what precautions to take in the lab?

Multiple Choice

Why are safety symbols important in the science classroom?

• They help students identify dangers quickly and act safely.

• They make the classroom look interesting.

• They are only used for decoration.

• They are required by law in every classroom.