What was the primary material used in the earliest toothbrushes around 3500 BC?

Toothbrushes and Toothpaste Essentials

Interactive Video
•
Science, History, Design
•
7th - 12th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wood
Metal
Nylon
Plastic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which material revolutionized toothbrush bristles in 1938?
Celluloid
Nylon
Bamboo
Silicone
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major challenge in designing modern toothbrushes?
Finding the right color
Balancing complexity with functionality
Making them waterproof
Ensuring they are lightweight
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using bio-based materials for toothbrush handles?
They are more durable
They reduce environmental impact
They are more colorful
They are cheaper to produce
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which material was NOT tested for toothbrush handle prototypes?
Polyester resin
Silicone rubber
Pewter
Glass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of sodium lauryl sulfate in toothpaste?
To add flavor
To provide color
To act as a preservative
To create foam
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ingredient in toothpaste is crucial for preventing tooth decay?
Glycerin
Fluoride
Sodium bicarbonate
Calcium carbonate
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