1. Lab Instruments “All the world is a laboratory for the inquiring mind”

2. Why is Important to Understand how to Use Instruments?
SAFETY!
ACCURACY!

3. Lab Etiquette
Remain at your station unless you are getting supplies or help
“Ask three then me”
Record data as you go
Leave the space as you found it
Get checked out

4. METER STICK

5. Meter Stick Units – Meters
When to use - When measuring the length of larger objects

6. Beaker

7. Beaker Used to measure the VOLUME of liquids Measured in ML
Volume = how much space a substance takes up

8. Erlenmeyer Flask

9. Erlenmeyer Flask
Similar to a beaker, but better for mixing liquids (units are ml, and also measures vol.)
Can put a stopper in it

10. Graduated Cylinder

11. Graduated Cylinder
The most accurate way to measure the volume of liquids
Units = ml
Read from the meniscus

12. What on Earth is a Meniscus?
Always read the ml from the bottom of the curve of the water :

13. Test Tube

14. Test Tube Used for reactions during experiments
Holds liquid after it has already been measured
Clean at the end of the lab

15. Pipette

16. Pipette https://www.youtube.com/watch?v=J_XhKFspBo8
Show video from 25 seconds to 1:25

17. Triple Beam Balance
Used to weigh solids
Unit - grams

18. Timers Start, stop, lap, reset Units – seconds and minutes
Round to two decimals

19. Thermometer Measure in degrees Celcius Do not press against the glass
Allow time to settle

20. Goggles
Wear when dealing with chemicals
Keep them on when instructed

21. Microscope
Very important in life science!
Always carry with two hands