This Crystal Is ELECTRIC

This Crystal Is ELECTRIC

Assessment

Interactive Video

Science, Physics, Chemistry

11th Grade - University

Hard

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Quizizz Content

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The video explores the unique properties of tourmaline, a crystalline silicate mineral known for its diverse colors and electric properties. It delves into the history of pyroelectricity and piezoelectricity, explaining how these phenomena occur due to the crystal's atomic structure. The video also highlights the practical applications of these effects in modern technology and provides a step-by-step guide for a home experiment to demonstrate tourmaline's electric properties.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes tourmaline one of the most colorful gemstones?

The presence of multiple layers of crystals

Its unique ability to absorb colors from its environment

The variety of mineral ions trapped in its crystal structure

Its ability to reflect light in different ways

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the phenomenon called when tourmaline generates an electric charge upon heating?

Electromagnetism

Thermoelectricity

Photoelectricity

Pyroelectricity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who were the scientists that discovered piezoelectricity in crystals?

Thomas Edison and Nikola Tesla

Isaac Newton and Albert Einstein

Paul Jacques and Pierre Curie

Marie Curie and Louis Pasteur

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic component of a tourmaline crystal?

Carbon dioxide

Calcium carbonate

Silicon dioxide

Aluminum oxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the atomic structure of tourmaline contribute to its electric properties?

By allowing light to pass through easily

By having a symmetrical arrangement of atoms

By being composed of multiple layers

By having unequal bonds between silicon and oxygen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if you get nervous about the fire during the experiment?

Add more water to the container

Cover the container with a lid and step away

Move the container to a different location

Blow on the flames to extinguish them

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of adding water to the ashes after the experiment?

To cool down the tourmaline

To clean the container

To enhance the pyroelectric effect

To ensure the fire is completely out