Science 1206 - Unit 4: Motion
Chapter 9 Review Assignment

Name:______Mark: ____ / 50

Units of Measurement

  1. Write the appropriate SI unit and its corresponding symbol for the following:[3 marks]

quantity / symbol / standard unit / Abbreviation
distance
time
speed

Recording measurements

  1. When you record measurements they should reflect how precise your measuring device is. What rule should you use when recording measurements off a measuring device?[2 marks]
  2. Record the measurements of the objects shown:[2 marks]

Significant Digits (aka sig figs)

  1. Determine the number of significant digits in the following measurements: [3 marks]

2.030 s /
0.0035 cm
67.0020 m/s /
0.03004 s
30200 Kg /
2.040 x 104 m/s
  1. Calculate the following using the rules for mathematical operations on measurements: [3 marks]

2004 s + 36.78 s /
2.6538 m - 0.86 m
170.05 ml - 21.3 ml /
306.85 m  3.2 s
17m x 2.65 m /
2.0cm x 100 cm

Scientific Notation

  1. Write the following in scientific notation: [3 marks]

204000 s / 287.65 m
1900. ml / 0.00330 s
0.0078 m / 0.040020 s
  1. Write the following in standard notation: [3 marks]

8.30 x 10 3m /
-5.750 x 10 3 m/s
1.143 x 10 -2m /
5.050 x 10 -4s
-1.25 x 10 3m/s /
9.80 x 10 0m

Distance, Time, and Speed

  1. John rode his bike 2.56 Km in .05 hr. What was his average speed for the trip? [2 marks]
  2. Harvey's average speed to school was 23.5 km/hr. If the trip to school took him 15 minutes how far was it to school? [4 marks]
  3. Charmaine knew that she could walk at a rate of 1.2 m/s and that it was 860 m to the corner store. How long would it take charmaine to get to the corner store? [2 marks]
  4. Mitzi walks 120m to the store then 60 m to her friends house and finally 150 m home. If the total trip took her 45 minutes, what was her average speed (in m/s)? [4 marks]
  5. Joanne rode 1400 m at 8 m/s and then walked for 10 minutes at 1.2 m/s. What was Joanne's average speed? [4 marks]

Distance vs. Time Graphs

  1. Draw a graph the following data and then calculate the slope, y-intercept and the equation of the line of best fit: [7 marks]

Data:

Time (s) / distance (m)
0.0 / 2.0
1.0 / 5.8
2.0 / 9.7
3.0 / 14.2
4.0 / 18.3
5.0 / 21.9
  1. Using the following "Motion of Car" graph determine: [8 marks]

a. The speed of the car

b. The starting position of the car

c. The distance travelled in the first 20 s

d The total distance travelled