Lab Rules
What should you do with long hair in the lab?
Tie it back!
Used on small, controlled fires.
Fire Blanket
Name the broken safety rule and how to fix it:
Ryder pushes Zack in the lab and he spills chemicals on his hand.
- Rough-housing
- Wash hand in sink
What is the first step to the scientific method?
To make an observation/ask a question.
Pick out the independent and dependent variables: Plant growth and water
Water- independent
Plant growth- dependent
What should you not have in your eyes in the lab?
Contacts
Used on medium, contained fires.
Fire extinguished
Name the broken safety rule and how to fix it:
Seth and Martin are arguing about the reliability of lithium carbonate as a reagent and leave their bunsen burner unattended. A sweater nearby catches fire.
- Leaving the bunsen burner unattended and leaving something flammable out.
- Grab the fire blanket and push the gas shut-off!
What is the second step to the scientific method?
Pick out the independent and dependent variables:
Exercise and heart rate
Heart rate- dependent
Exercise- independent
Instead of smelling chemicals, you should ______
Waft!
What are the three pieces of PPE?
- Gloves
- Goggles
- Lab Coat
Name the broken safety rule and how to fix it:
Lexi B and Lexi H are pouring acid into a beaker. Lexi B leans over the beaker as Lexi H is pouring and gets acid in her eye.
- Leaning over a chemical and having no safety goggles
- eye wash!
What makes a good hypothesis? Should it be a question of a statement?
- Has an independent, dependent, and control variables
- is testable
- is a statement
Temperature and ice cream sales
Temperature- independent
Ice cream sales- dependent
Answers will vary
- Food
- Drinks
-Gum
When should you use a safety shower vs a sink?
Sink: Small spill on hands/lower arms
Shower: Large spill over body
Name the broken safety rule and how to fix it:
Rayleigh and Easton are eating Subway in the lab and Easton accidentally eats the chemical nearby instead.
- No eating in the lab
- Call 911
What is the final step of the scientific method?
Present your conclusion!
What is the difference between correlation and causation?
Causation- one variable CAUSES the other.
Correlation- two variables are related but one does not cause the other.
Name 3 things you cannot take out of the lab.
Answers will vary
- PPE
- Lab equipment
- Specimen parts
What are the steps to using an eye wash?
1. Lead your partner there
2. Push handle
3. Hold eyes open for 15 minutes and roll your eyeballs as the water hits
Name the broken safety rule and how to fix it:
Faith and Kambrie are not paying attention because they are too busy arguing about climate change and spill a chemical on the ground.
- Arguing in the lab and not paying attention
- Kitty litter!
What three variables are needed to conduct an experiment? Define each.
Independent- The manipulated variable
Dependent- The effect
Control- Variables that stay the same
If you are studying the effect student behaviour has on teacher mental health, what are 5 control variables you may have?
- same time
- same teacher
- same classroom
- same students
- same day of the week