General Lab Safety
These are important to wear to protect our eyes during a lab
What is safety goggles?
This piece of safety equipment is used in case of a fire during a lab, located outside the room
What is a fire extinguisher?
Student B is wearing safety goggles and an apron while working with chemicals during a lab.
What is good behavior?
The temperature of Lake Erie was measured at different depths. It was found to vary. (Independent)
What is the depth?
The one sense we do not use in the lab
What is taste?
This items should be worn to protect our hands
What are gloves?
Student C reaches across a hot plate to unplug it.
What is bad behavior? (reaching across the burner)
Are braking times of a car affected by the depth of tire treads? (Dependent)
What is braking time?
This is the variable we measure or observe in an experiment
What is the dependent variable?
This should be done to long hair when working with an open flame.
What is tied back?
This piece of safety equipment is pulled to release water and put out any fires on clothes
What is a safety shower?
Student A is using a wafting technique to detect the scent of an unknown liquid substance.
What is a good behavior?
Do tomatoes grow fastest under fluorescent, incandescent, or natural light? (Dependent)
What is the rate of growth?
The first thing you do in the scientific method
What is ask a question?
This needs to be done before starting any labs
What is read the entire procedure?
This piece of safety equipment is used when debris or chemicals get in your eyes
What is an eyewash station?
Student D is wearing gloves while picking up broken glass from a beaker that was dropped on the floor.
What is bad behavior? (Tell the teacher!)
The higher the temperature of the air in the oven, the faster a cake will bake. (Independent)
What is the temperature?
This type of observation has to do with numbers
What is quantitative?
This is why floors should be kept clear during labs
What is to avoid tripping and falling?
This should be done if there if glass gets broken or there is some other accident
What is tell Miss Zajac?
Student E sits down at the lab table and immediately begins mixing unknown chemicals as indicated by the directions.
What is bad behavior? (The teacher did not tell them to start)
If LED lights are used in a room, they will be brighter than incandescent lights. (Constant)
What is the room?
The written form of a hypothesis
What is an "if, then" statement?