Answer the following questions to the best of your ability.

If you are right, you get 2 points. A wrong choice takes away 2 points. Not answering gives you 0 points. The maximum amount of points is 20. Remember to save your answers!

1. An incline is a simple machine.
I cannot say.
That is correct.
That is incorrect.

2. A wedge is an incline that can be moved.
I cannot say.
That is correct.
That is incorrect.

3. A screw is a wedge that is twisted around an axis.
I cannot say.
That is correct.
That is incorrect.

4. A fishing rod is an example of a first class lever.
I cannot say.
That is correct.
That is incorrect.

5. The fulcrum of a second class lever is located at its center.
I cannot say.
That is correct.
That is incorrect.

6. A disk can be turned into a wheel by adding an axle to it.
I cannot say.
That is correct.
That is incorrect.

7. A pulley reduces the weight of a moved object.
I cannot say.
That is correct.
That is incorrect.

8. The axle wheel functions like a rotating lever.
I cannot say.
That is correct.
That is incorrect.

9. Steel cannot be made into an elastic structure.
I cannot say.
That is correct.
That is incorrect.

10. A triangular structure is more durable than a rectangular structure.
I cannot say.
That is correct.
That is incorrect.