Science 7 review questions - Unit 2, Topics 5-7

These are the review questions from our game show activity.  Just as a reminder, your quizzes will be written as follows:

7P = Wednesday, May 6th (Period 2)

7C = Thursday, May 7th (Period 4)

Happy studying!

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What is the word that describes supporting pieces of wood or other materials around the base of a structure that form a triangle with the ground?

Describe why using triangles in design is often better than using squares.

Give two examples of braces in design (braces on teeth don't count).

What is meant by the term “corrugated”?

Why is corrugated cardboard stronger than regular cardboard? 

Define the term “column” and give an example of a column being used in design. 

There are many problems associated with using columns to build structures.  Name one.

What is the term given to the last stone placed in an arch?

Why didn’t early arches require mortar to be held together?

List 3 examples of rigid joints. 

List 3 examples of mobile joints.

Half an eggshell is what shape? 

Why are domes strong shapes to use in design?

What is the name given to a dome that is built up of a framework of triangles?