What is rule #1?
Know the location of the exit and all safety equipment before starting any lab.
Scale
Used to measure the weight and mass of many different kinds of solids, liquids or powders.
How do dress on lab days
Long sleeves
Pants
Closed toe shoes
Gloves
Goggles
To protect against skin from chemicals:
chemical burns
thermal burns
Lacerations (cuts)
Gloves
While working in a lab, keep your hands away from your; _____,
face
eyes
mouth
Lab materials
Chemicals
Animals
Give examples of what NOT to do in the lab
Touch all the equipment
Throw beakers
Sit on the lab table
Play with the eye wash
Run in the lab
Thermometer
Used to measure the temperature of a solid (food), liquid (water), or gas (air).
Measured in Fahrenheit, and Celsius
True or False, you are allowed to switch stations as soon as you finished the work
FALSE. Stay in your station until a teacher gives permission to move.
To measure the volume of a liquid or powder materials:
milk
water
Measuring cup
What incidents should you report immediately?
accidents, broken equipment, spills, broken glass
Consider all chemicals to be...
Dangerous and NON edible
Beaker
Useful in holding a liquid or a sample of a solid.
They also help to catch liquid that may be filtered from another location.
How to prepare the classroom for a lab
Push in chairs
Make sure floor is clear
Keep the aisles clear
Also know as a magnifying glass, the hand lens is used to MAGNIFY, or make an object appear closer. It consists of a lens made of a piece of glass or plastic.
Hand Lens
Steps to take when finishing a lab
clean your work space and return all equipment and materials to their proper place. Do not take lab materials out of the classroom.
True or False
You can pick the experiment you want to do
Microscope
Use to magnify objects so small they can’t be seen with the “naked eye,” or without being able to make them appear larger.
Example: cells, bacteria
Steps to clean up a lab
Put lids on all containers
Keep lab tools organized and away from the edge of the counter
Handle all hot or breakable equipment carefully
They are the perfect shape and size to hold small amounts of substances, usually liquid, which are then manipulated in some way.
Test Tube
True or False treat all animals as if they are a lab tool
FALSE
What is the most important rule for lab safety?
Do not touch or use lab equipment without a teacher
Dropper
Used to store chemicals and to transfer liquids, including samples during experiments.
Only use ____, ______ and ______ with teacher permission and extreme care
Matches, Hot plates and Bunsen Burners
Used for making solutions or for holding, containing, collecting chemicals, samples, and solutions.
Other processes: mixing, heating, cooling, dissolving, precipitation, boiling
Flask
Always listen to your teacher carefully concerning these 3 things
1. lab instructions
2. clean up directions
3. how to respond in case of emergencies