Yr 9 Skills pt2

What is a thermopolymer?

• A material that cannot be shaped

• A material that can be shaped easily when heated

• A material that is always brittle

• A material that is always transparent

List one use of acrylic.

• Acrylic is often used for point of sale stands such as leaflet holders, screens such as those used during the COVID pandemic and other glass substitutes.

• Acrylic is commonly used as a food additive to enhance flavor.

• Acrylic is used in the production of natural fibers like cotton and wool.

• Acrylic is a primary ingredient in the manufacturing of rubber tires.

What is laser cutting used to make?

• Wedding invitations

• Household trinkets

• Medical devices

• All of the above.

Fill in the blank: Laser cutting is used to make _______ for computers, electronics, and automobiles.

• silicone parts.

• wooden frames.

• metal sculptures.

• glass ornaments.

What is a disadvantage of the laser cutting process?

• Precision – computer controlled

• No wearing of tools

• High energy consumption

• Reduced chance of warping

Fill in the blank: The process has the advantage of ________ – computer controlled.

• Precision

• Speed

• Complexity

• Cost

What is an advantage related to tool wear?

• No wearing of tools

• Reduced chance of warping

• Produces features difficult to cut by other means

• Very expensive machinery

What is a disadvantage related to machinery cost?

• Clean edge

• Very expensive machinery

• High energy consumption

• Precision – computer controlled

Fill in the blank: The process is ________ controlled.

• computer

• manually

• remotely

• automatically