PLA material properties and uses in 3D Printing - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the sentence about PLA's origin.

3D Printing

PLA is a [1]-based plastic commonly used in 3D printing.

Drag options to blanks, or click blank then click option'

Aplant

Bpetroleum

Cmetal

Dglass

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing PLA as petroleum-based plastic.

Thinking PLA is made from metal or glass.

PLA is made from plant materials like corn starch, making it biodegradable.

2fill in blank

medium

Complete the sentence about PLA's printing temperature.

3D Printing

The typical printing temperature for PLA is around [1] degrees Celsius.

Drag options to blanks, or click blank then click option'

A300-350

B180-220

C100-130

D400-450

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing too high temperatures like 300°C or more.

Selecting temperatures too low for melting PLA.

PLA prints well between 180 and 220°C, which is lower than many other plastics.

3fill in blank

hard

Fix the error in the statement about PLA's biodegradability.

3D Printing

PLA is [1] biodegradable under home composting conditions.

Drag options to blanks, or click blank then click option'

Anot

Balways

Cnever

Dimmediately

Attempts:

3 left

💡 Hint

Common Mistakes

Assuming PLA biodegrades immediately in any environment.

Thinking PLA is never biodegradable.

PLA is biodegradable but only under specific industrial composting conditions, not always or immediately.

4fill in blank

hard

Fill both blanks to describe PLA's common uses and properties.

3D Printing

PLA is popular for [1] because it is [2] and easy to print.

Drag options to blanks, or click blank then click option'

Aprototyping

Bmetallic

Cbiodegradable

Dheavy

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing 'metallic' or 'heavy' to describe PLA.

Confusing PLA's use with materials for heavy-duty parts.

PLA is widely used for prototyping due to its biodegradability and ease of printing.

5fill in blank

hard

Fill all three blanks to complete the description of PLA's limitations and advantages.

3D Printing

PLA has [1] heat resistance, [2] flexibility, and is [3] to print.

Drag options to blanks, or click blank then click option'

Alow

Ceasy

Dhigh

Attempts:

3 left

💡 Hint

Common Mistakes

Thinking PLA has high heat resistance or flexibility.

Confusing PLA's printing difficulty.

PLA has low heat resistance and low flexibility but is easy to print, making it suitable for many simple projects.