What Is Plasma

What Is Plasma

Assessment

Interactive Video

Science, Physics, Chemistry, Other, Engineering

6th Grade - University

Hard

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The video explores the four states of matter: solid, liquid, gas, and plasma. It explains the transitions between these states, focusing on how heat affects particles. Plasma, the fourth state, is formed when gas is heated to the point where electrons are stripped from atoms, creating free electrons and ions. Plasma can conduct electricity, unlike gases. Examples of plasma include lightning, stars, and neon signs. The video also covers the use of plasma in technology, such as fluorescent lights and plasma TVs.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to water when it is heated to 100 degrees Celsius?

It remains a liquid.

It turns into ice.

It evaporates into water vapor.

It becomes plasma.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of plasma that distinguishes it from a gas?

Plasma has a fixed shape.

Plasma can conduct electricity.

Plasma particles are closely packed.

Plasma has a fixed volume.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of naturally occurring plasma?

Fog

Clouds

Lightning

Rainbows

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is plasma used in fluorescent light bulbs?

By using a magnetic field to align particles.

By freezing the gases inside the bulb.

By passing an electrical current through mercury vapor.

By cooling the gases inside the bulb.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do pixels play in plasma screen TVs?

They emit light in red, green, and blue to form images.

They create a magnetic field.

They emit sound waves.

They cool down the screen.