Laboratory Equipment and Safety Signs

What is the purpose of a beaker in a laboratory?

• To filter out impurities from solutions.

• To store solid chemicals safely.

• To measure the temperature of liquids.

• The purpose of a beaker in a laboratory is to hold, mix, and heat liquids.

Identify the equipment used to measure the volume of liquids accurately.

• Beaker

• Test tube

• Graduated cylinder or volumetric flask

• Pipette

What does a biohazard symbol indicate?

• The presence of biological hazards.

• The presence of electrical hazards.

• The presence of physical hazards.

• The presence of chemical hazards.

Which piece of equipment is used to heat substances in a lab?

• Pipette

• Bunsen burner

• Microscope

• Test tube

Tags

NGSS.MS-PS3-3

What safety sign indicates that you should wear goggles?

• Eye protection sign (goggles required)

• Fire safety sign

• Chemical hazard sign

• Electrical hazard sign

Identify the tool used for holding hot glassware.

• flask tongs

• test tube holder

• beaker holder

• pipette clamp

What does the flame symbol on a sign represent?

• Electrical hazard warning

• Non-toxic materials

• Flammable materials or fire hazard warning.

• Chemical spill indication

Which equipment is used to mix chemicals in a lab?

• Beaker

• Bunsen burner

• Stirrer

• Pipette

What does the skull and crossbones symbol signify?

• Health or wellness

• Treasure or wealth

• Happiness or joy

• Danger or poison

Identify the equipment used to measure mass.

• Barometer

• Balance or scale

• Thermometer

• Voltmeter