Lab Safety Quiz A

What is the primary priority in the science classroom according to the safety contract?

• Completing experiments quickly
• Safety
• Getting good grades
• Using all available chemicals

When can students work alone in the laboratory?

• During lunch break
• After school hours
• Never
• When they feel confident

What should students do when first entering a science room?

• Start the experiment immediately
• Touch all equipment to familiarize themselves
• Wait for instructions before touching any materials
• Set up their workspace independently

Which of the following is prohibited in the laboratory?

• Taking notes
• Following instructions
• Eating food
• Using safety equipment

What should students do if they don't understand part of a procedure?

• Skip that step
• Ask the instructor before proceeding
• Make their best guess
• Ask another student

How should sharp instruments be carried?

• Points and tips pointing up
• Points and tips pointing down and away
• Close to the body
• In any comfortable manner

What is required before participating in laboratory activities?

• Only student signature
• Only parent/guardian signature
• Both student and parent/guardian signatures
• Teacher signature only

What should be done with solid chemicals and insoluble materials?

• Dispose in sink drains
• Take them home
• Place in proper waste containers
• Mix with water

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

What is required when working with volatile substances?

• Open windows
• Use the fume hood
• Work quickly
• Hold breath

What should students do before leaving the laboratory?

• Leave immediately when the bell rings
• Clean work surfaces and return equipment
• Only clean their personal items
• Leave cleanup for the next class