For class on 9-6-13
Scribe Author: Pam H.
Today in class we:
- Checked in and went over the "Practice-Unit Conversions, Dimensional Analysis, Significant Figures, Measurement Capacity" worksheet
- Picked up the Chapter 1.3-Properties of Substances worksheet
- Took a quiz
Answers to the homework
- 191.6 g, 38,500 g, 7.0x10^2 J, 2.7x10^-2
- 161,000 cm
- 0.0568 mi
- 8 fluid ounces
- Station Number Instrument Reading (Left and Right)
2 600 mL Beaker 330 mL 310 mL
3 100 mL Beaker 41 mL 50 mL
4 10 mL Graduated Cylinder 6.10 mL 4.90 mL
5 Ruler 10.95 in 11.60 in
6 Thermometer (Degrees Celsius) 22.0 21.0
6. a) No, the measurements are not the true value.
b) Yes, all of the measurements are similar to each other.
7. 14 cm
8. Scientific Notation Standard Notation Significant Figures
4.3301x10^-5 0.000043301 5
2.67x10^5 267,000 3
5.0x10^3 5,000. 4
9. 502,000 chromebooks
10. YES!
Remember:
- You will be given time on Monday to finish your quiz if you didn't do so on Friday. If you already turned it in, you will be able to use that time to look over your answers.
- If you missed the quiz Friday, make sure you talk to Mrs. Friedmann about making it up.
The next scribe author is: Georgia A.
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