Physical Science
GardnerWebb University
Summer 08
Mock Test Chapters 1 and 2
This is designed to give you an idea of what to expect on your tests in this class.
In a
real test situation, the problems will be presented online in the Blackboard format.
1. What is the correct factor to convert from miles per hour to kilometers per hour?
2. Calculate the density of a material with a mass of 19.2 g and a volume of 2.5 cm
3
.
3. Convert 100 yards into centimeters.
4. Explain the difference between a theory and a scientific principle.
5. A car travels at 72.0 km/hr for 30 minutes.
What is the distance traveled?
6. A bicycle moves from 0 m/s to 10 m/s in 7 seconds.
What is the acceleration?
7. If an object experiences an acceleration of 10 m/s
2
and exerts a force of 35 N, what
is the mass of that object?
8. Do ice and liquid water have the same density?
Explain your answer.
9. Here are some definitions and concepts you need to know:
Name and explain the 3 laws of motion
Describe gravity
Momentum
Mass
Weight
Centripetal force
Name and explain the elements of the scientific method
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 Spring '11
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 pH, 0m/S, 3 ft, 3.5 kg, 1 yd, scientific principle

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