Year 7 2. Safety and Bunsen Burners

What is a hazard in the science classroom?

• Something that can cause harm to yourself or others

• A laboratory procedure

• A piece of equipment

• A safety rule

Which of the following is NOT a common hazard in the science classroom?

• Burns from hot objects

• Reading a textbook

• Electric shock

• Slipping on spilled water

What is the main purpose of a Bunsen burner?

• To store chemicals

• To provide heat for experiments

• To measure temperature

• To filter solutions

Which part of the Bunsen burner provides stability?

• The collar

• The barrel

• The base

• The gas hose

What is the function of the air hole in a Bunsen burner?

• To release excess gas

• To cool the flame

• To allow air in to make the flame hotter

• To adjust the height of the burner

What position should the gas tap be in when not using the Bunsen burner?

• Parallel to the main hose

• 45 degrees to the main hose

• 90 degrees to the main hose

• 180 degrees to the main hose

What type of flame should you initially have when lighting a Bunsen burner?

• Blue flame

• Yellow (safety) flame

• Orange flame

• Green flame

What must you place under a Bunsen burner before use?

• A rubber mat

• A heatproof mat

• A plastic sheet

• A paper towel

What personal protective equipment must you wear when using a Bunsen burner?

• Safety glasses

• Boots

• Gloves

• Face mask

Why should you tie back long hair in the science lab?

• To look professional

• To prevent contamination

• To prevent it catching fire

• To follow dress code