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Sci. 8- Mechanical Systems Section 1.0 Quiz

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Last updated about 5 years ago
10 questions
Complete the following Assessment questions for section 1.0. Take note to the worth of each question.
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2
2
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2
8
Question 8
8.

Identify the source of energy for each of the following devices. (Source of energy is what source of power makes them work).

4
1
Question 1
1.

List two simple machines that can be found in a moutain bike.

Question 2
2.

What are gears? How are they used?

Question 3
3.

Why do you think the lever was one of the first machines used by humans?

Question 4
4.

Why are machines useful?

Question 5
5.

List three types of machines that have been used in the past to move water.

Question 6
6.

Describe a situation where you would use a wedge as a tool. Include an explaination of why the wedge makes you task easier in this situation.

Question 7
7.

You usually use your pencil as a writing instrument. But it could also be used in different ways as a simple machine. What kinds of simple machines could your pencil be used as? Be sure to use examples modelled in the text.

Question 9
9.

Your task is to lift a person off the ground using only one hand. Make a diagram of a machine that you could build to accomplish the task. On your diagram use arrows and labels to show how your device would work. Use the materials listed in the question.

Question 10
10.

EXTRA DRAWING SPACE