3D Printing: How does it work? Reading Passage and Questions

3D Printing: How does it work? Reading Passage and Questions
3D Printing: How does it work? Reading Passage and Questions
3D Printing: How does it work? Reading Passage and Questions
3D Printing: How does it work? Reading Passage and Questions
Grade Levels
5th, 6th, 7th, 8th, 9th
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PRODUCT DESCRIPTION

This STEM nonfiction informational reading passage serves as a great introduction to the world of 3D printing. The article discusses the process of 3D printing from idea to computer generated model to physical product. A brief history of 3D printing, as well as current applications of the technology are also included. 8 questions follow the reading passage. Questions are based on standardized assessments and include TEI - like items.

Links to a TED talk on 3D printing, as well as a shorter YouTube video are included.

Lexile: 1110

Samples of text:

3D printing refers to a technology that allows someone to make a three dimensional object on a computer controlled machine. The object being printed must first be designed and modeled using a computer aided design (CAD) program.

The 3D printing process starts with a need or an idea. It can be an idea for a completely new product, a modification to an existing product, or a need for a product that is unavailable or hard to get.

Most 3D printers use a process called additive manufacturing to create an object in three dimensions. With this process, the printer follows instructions to lay down thin layers of melted plastic on a flat platform. There are many types of plastic that printers can use, but the most common types are PLA and ABS plastics.

The first 3D printing equipment was developed in the late 1970s. The printers were originally large, expensive, and very limited in what they could produce. The high cost of 3D printers made them impractical for most business, homes, and schools to own.

Examples of questions include:

1. Place the components of the 3D printing process in the correct order.

2. Which items from paragraph 3 were used in a comparison?

3. Which sentence from the passage contains an opinion?

4. What is the root word in solidifies?

6. Complete the main idea web with one choice:

7. Give an example of how 3D printing might be used in each field:
Total Pages
5
Answer Key
Included
Teaching Duration
40 Minutes

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3D Printing: How does it work? Reading Passage and Questions
3D Printing: How does it work? Reading Passage and Questions
3D Printing: How does it work? Reading Passage and Questions
3D Printing: How does it work? Reading Passage and Questions