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Chapter 1 Worksheet
Part 1: Sentence Completion
1. Motion is a ------------------- in the object‟s ---------------- with respect to ------------------.
2. A -------------------------------------- is needed to measure the position of an objects in motion.
3. A physical quantity that has a magnitude (number and a unit) only is called a -------------------.
4. A physical quantity that has both magnitude and direction is called a ------------------------.
5. 1 meter is equivalent to ------------ centimeter and 1 millimeter is equivalent to --------------centimeter.
6. The ----------------- is the metric (SI) unit of length in the metric system and the --------------- is the
unit for time.
7. The prefix ---------------- has a power of ten as ------------- and the 10 -9 has the prefix ------------.
8. The measure of how fast or how slowly an object is called -------------------.
9. The measure of how fast or how slowly the velocity is changing is called ---------------------.
10. Change of velocity over time is called -------------------------.
11. The ------------------------------- is any straight line motion in which equal displacements occurs
during any successive equal time intervals.
12. The ------------------------- velocity is the velocity (speed and direction) at the moment and not the
average over the entire hour.
13. Millisecond = ----------------- second.
Part 2: General Review Questions
1. What is the basic metric unit of mass? What is the basic SI unit of mass?
2. Give the metric prefix for 1000,000
3. Give the power of ten of 0.0002
4. Write the abbreviation of 5.6 kilometers, 2.3 millimeters
5. Which is larger? 1cm or 1mm, 100m or 1km
6. Does the car speedometer measures average speed or the instantaneous speed?