3D Printing - BrainPOP

1) Plastic stock is to a 3D-printer as:

• A) Copper is to wires

• B) Carpet is to a floor

• C) Marble is to a sculpture

• D) Yarn is to a sweater

2) What is one limitation of 3D printing?

• A) 3D printers are still too expensive for individuals to purchase

• B) You can't print out objects with many moving parts

• C) 3D printing stock is expensive and rare

• D) 3D printers break down frequently

3) Today's 3D printers would be unable to produce which of these objects?

• Flashlight

• A dress

• A sculpture

• A Spoon

4) How is mass production different from 3D printing?

• A) 3D printing produces high-quality items; mass production produces poor quality items

• B) 3D printing produces more durable items than mass production

• C) 3D printing produces one object at a time; mass production produces many objects at a time

• D) 3D printing produces items in a larger variety of materials than mass production

5) The printing platform in a 3D printer drops:

• A) Only at the end of the printing process

• B) When the printer runs out of stock

• C) Before each new layer prints

• D) While each layer prints

6) Today, most 3D-printed objects are made from:

• Metal

• Plastic

• Carbon

• Paper

7) How is a 3D printing job like the construction of a building? Choose the best answer.

• A) Both can be accomplished by just a few people

• B) Both require many safety precautions to proceed

• C) Both require months of planning and preparation

• D) In both, the object is built layer by layer from the bottom up

8) What can you infer about the laser used to print objects from powder?

• A) It is extremely hot

• B) It contains a bonding agent

• C) It is relatively thick

• D) It is low-powered

9) What is the one requirement of every 3D printing method?

• A) A laser

• B) Powder stock

• C) A 3-D model

• D) A spool of metal or plastic

10) If 3D printing becomes commonplace, it would likely lead to job losses among:

• A) Doctors and nurses

• B) Assembly line workers

• C) Construction workers

• D) Commercial artists