Worksheet on Motion
Worksheet on Motion
Name: __________________________ Period: ______ Date: __________________
1. In your own words, what is meant by the term "speed"?
2. What measurements are necessary to determine the speed of a moving object? What device(s) could you use to make these measurements? Give three examples of possible measuring units on each device.
|Measurement |Device(s) |Possible Units (List 3) |
|1. | | |
|2. | | |
3. What is the mathematical relationship (in words!) between speed and the two you suggested in the table from question 2?
4. From your answer in question 3, give at least three (3) possible units that can be used to describe the speed of an object.
5. List 5 different modes of transportation in your community. Then, rank them from least to greatest in terms of their average speed. (In other words, their ability to get you from point A to point B).
1.
2.
3.
4.
5.
SLOWEST FASTEST
6. Describe an experiment that you could use to prove the order of speed that you suggested in Question 5 above (how would you set it up, what variable(s) would you measure, etc.).
7. Is there another way you could do it? Explain.
8. Below are data listed for 5 different modes of transportation:
|Mode Of Transportation |Time |Distance Travelled (kilometres) |
| |(hours) | |
|Car |1.0 |100 |
|Bicycle |1.0 |25 |
|Bus |1.0 |50 |
|Foot (Walking) |1.0 |5 |
|Train |1.0 |80 |
a) Make a graph plotting the dependant variable (distance) on the y-axis and the independent variable (time) on the x-axis for each mode of transportation. Use a scale of 0 to 100 (in increments of 10) for the y-axis and 0 to 1 in increments of 0.1 for the x-axis. Draw a straight line from the origin (0,0) to each point. Then, answer the following questions:
b) From the graph, which mode of transportation is the fastest? What did you notice about the slant of the line for this mode of transportation?
c) From the graph, which mode of transportation is the slowest? What did you notice about the slant of the line for this mode of transportation?
d) What can you say about the relationship between the slant of the line and the speed?
e) Using the line on your graph for the car, complete the following table:
|Time |Distance Travelled (kilometres) |Speed |
|(hours) | |(kilometres per hour) |
|0.2 | | |
|0.4 | | |
|0.6 | | |
|0.8 | | |
|1.0 | | |
f) What did you notice about the speed of the car in all 5 cases above?
g) Reword your statement in (f) using the term "constant".
h) In reality, does any car travel at a "constant" speed? Explain.
(i) What term could we use in place of the word "constant" to describe the speed?
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