What makes tourmaline one of the most colorful gemstones?

Tourmaline and Its Electric Properties

Interactive Video
•
Science, Physics, Chemistry
•
6th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Its high concentration of silicon
The presence of water molecules
The variety of mineral ions trapped in its structure
Its ability to reflect light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the phenomenon called when tourmaline produces an electric charge upon heating?
Photoelectricity
Electromagnetism
Thermoelectricity
Pyroelectricity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who were the scientists that discovered piezoelectricity in tourmaline?
Paul-Jaques and Pierre Curie
Isaac Newton and Albert Einstein
Galileo Galilei and Johannes Kepler
Marie Curie and Niels Bohr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic component of a tourmaline crystal?
Aluminum oxide
Carbon dioxide
Calcium carbonate
Silicon dioxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does piezoelectricity occur in tourmaline?
By submerging it in water
By applying mechanical stress
By freezing it
By exposing it to sunlight
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following gadgets does NOT typically use tourmaline crystals?
Smartphones
Quartz watches
Infrared heat sensors
Inkjet printers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a downside of using piezoelectric materials in technology?
They consume too much power
They are sensitive to environmental changes
They require a lot of space
They are too expensive
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