2.5: Post-lab Questions

1. What do the following prefixes mean in relationship to the standard base unit (g, m, L)?

Pico = _____________

Micro =_____________

Kilo = ______________

Milli = ______________

Centi = _____________

2. Circle the value that is larger than the other?
   1. 5cm or 40mm
   2. 150ml or .200L
   3. 1g or 1kg
   4. 2mg or 3 cg
   5. 100 mm or 10km
   6. 100L or 1000ml
3. Fill in the following table:

kg	g	mg	\(\mu\)g
2
		2
	2
			2

4. Determine the equivalents:
   1. 27g/L = 27g/______ ml
   2. 0.1ml = ______ul
   3. 200g = _______\(\mu\)g
   4. _______mm= 30\(\mu\)m
   5. _______cm = 6m
   6. 5 cm= ______mm
5. Interpret the following micropipette displays and give the correct volume in \(\mu\)l:

p20	p200	p1000
1	1	0
3	2	8
0	1	4
_________ \(\mu l\)	_________ \(\mu l\)	_________ \(\mu l\)

6. Draw the following:
   1. Beaker
   2. Erlenmeyer flask
   3. Graduated cylinder
   4. Transfer pipette vs. serological pipette (draw each to compare)
7. When is it appropriate to have electronic devices out in class? Check the correct box:

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