1. Chapter 3 Review

2. Vocabulary – write the word
Amount of matter in an object
Force of gravity on an object
Closeness to true value
Range of measurements
Lowest point on Kelvin scale

3. Write in scientific notation
Write as an ordinary number
Write in scientific notation
1) ) ) )
5) 6.50 x 10-1
6) 2.9 x 105

4. How many sig figs?
0.0503
9.0100
91000
60320

5. Which digit is estimated?
2.54 cm

6. Round to the indicated number of significant figures in parentheses
(1)
(2)
7600 (2)
(3)

7. Add/Subtract & Round
– 0.005

8. Multiply/Divide & Round
3.561 x 2.61
7.59 ÷ 2.9

9. If the temperature changes by 50 K, how much does it change by in ºC?
Temperature Scales
-134ºC to K
996 K to ºC
If the temperature changes by 50 K, how much does it change by in ºC?

10. 1 km = _____ m 1 L = _____ mL 1 g = _____ µg 1 m = _____ cm
Fill in the blanks
1 km = _____ m
1 L = _____ mL
1 g = _____ µg
1 m = _____ cm
1 g = _____ dg

11. Tell SI unit for…
Mass
Temperature
Length
Time

12. Convert 856 inches to meters (1 m = 39.37 in)
Conversions
Convert 856 inches to meters (1 m = in)
Calculate the number of quarts in 2.00 L of coke (1.06 qt = 1 L)

13. Density
What is the density of a rock whose mass is 720. g and has a volume of 300. cm3
What is the volume of 500. g of toluene if it has a density of g/cm3

14. Density
What is the mass of a sample of mercury if its density is 13.6 g/mL and its volume is 25.0 mL?
If a cube is 2.00 cm on an edge and has a mass of 12.3 g, what is the density?

15. Calculations
Calculate the percent error if a student measured the width of an index card to be 7.55 cm and the actual value of the width is 7.62 cm.
Convert 5.41 kg/L to g/mL