Sci. 8- Mechanical Systems Section 1.0 Quiz

Last updated over 4 years ago
10 questions
Complete the following Assessment questions for section 1.0. Take note to the worth of each question.
2

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

2

What are gears? How are they used?

2

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

2

Why are machines useful?

2

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

2

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.

2

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.

8

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

4

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.

1

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