
Toothbrush Evolution and Design Quiz
Authored by Jennifer Logue
Design
4th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was one of the earliest materials used to make toothbrushes?
Plastic
Glass
Bone
Metal
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did manufacturers start using nylon for toothbrush bristles?
It was cheaper to produce
It dried quickly and was more hygienic
It was more colorful
It was softer than animal bristles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What material did the Swedish company use to make more sustainable toothbrush handles?
Metal
Wood
Bio-based plastic from sugarcane
Glass
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the main environmental concerns with plastic toothbrushes?
They are not colorful
They are too expensive
They break easily
They are difficult to recycle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main goal of the design experiments with different materials?
To make the toothbrush more expensive
To find a material that feels good and is durable
To make the toothbrush more colorful
To make the toothbrush heavier
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of structured light scanning?
To create 2D images
To project light patterns onto objects
To heat materials
To cool down objects
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge in 3D printing toothbrush bristles?
Making them fine and flexible
Making them heavy
Making them colorful
Making them long
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