D3 & D4 Check Your Understanding

Many different materials pressed and glued together, to produce a strong bond is called: often to produce useful combinations of properties are called what?

• Composite Materials
• Laminated Materials
• Knit Materials

A car wind shield is made of layered glass and plastic film to avoid shattering into pieces when broken. True or False?

• True
• False

Corrugation is a method used to increase the strength of structures such as cardboard. True of False?

• True
• False

Which of the following do engineers need to consider when designing and constructing a new structure such as a bridge? (Select ALL that apply)

• Climate
• Terrain
• Earthquakes
• Weather

A door hinge would be which type of joint?

• Rigid
• Mobile

Fasteners, ties, interlocking shapes, adhesives, and melted joints are examples of which type of joint?

• Rigid
• Mobile

Your elbow is an example of a rigid joint. True or False?

• True
• False

Nails, staples, bolts, and screws are an example of which type of joint?

• Fasteners
• Interlocking Shapes
• Melted Joints
• Adhesives

This type of joint involves pieces that are carefully shaped to hold themselves together (an example would be a jigsaw puzzle)

• Fasteners
• Interlocking Shapes
• Melted Joints
• Adhesives

Thread, string, and rope can be used to fasten things together. These are which type of joint?

• Fasteners
• Interlocking Shapes
• Adhesives
• Ties