Lab Safety & Scientific Method

Ms. McQueen and Mr. Potter were performing an experiment during lunch. Ms. McQueen was hungry and decided to eat her sandwich. She accidentally ate a lab material instead. What rule did she break?

• Read all directions

• Wear goggles when using heat, glass, or flame

• No eating or drinking in the lab (this includes lab material!)

• No horseplay in the lab

Cynthia was using a flame to heat a test tube and her hair was loose. It caught fire and she had to cut her hair short because of this accident. What could she have done to prevent this?

• Wear a lab coat

• Wear goggles and gloves

• Wear close toed shoes

• Wear her hair up in a pony tail or bun

What is the first part of the scientific method?

• Experiment

• Publish Results

• Make an Observation

• Analyze Data

What do we call a prediction or "educated guess"?

• Observation

• Experiment

• Hypothesis

• Hufflepuff

Daisy was running around in the lab and bumped into her table. She knocked off a beaker full of chemicals that burned a hole into the floor. What rule did she break?

• No eating in the lab

• No horseplay in the lab

• No singing in the lab

• Always read your instructions

Which is NOT a step in the scientific method?

• Make observation
• Form a theory
• Collect data
• Form a hypothesis

Approved eye protection devices (such as goggles) are worn in the laboratory

•  to avoid eye strain
• to improve your vision
• only if you don’t have corrective glasses
•  any time chemicals, heat or glassware are used

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• hypothesis

If you break glassware in the lab, you should...

• Tell the teacher
• Clean it up quickly before the teacher notices
• Scream at the top of your lungs

If you are not sure what to do during a lab activity:

• guess
• change lab partners
• ask a teacher
• just sit quietly and do nothing