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WorksheetsQuiz on Plasma
Total questions: 12
Worksheet time: 6mins
What is plasma?
A solid form of matter
A liquid state of matter
An ionized gas and the fourth state of matter
A type of molecular bond
What region of the atmosphere forms plasma due to the Sun's ultraviolet radiation?
Troposphere
Stratosphere
Ionosphere
Mesosphere
The ionosphere protects Earth from excessive ultraviolet radiation.
True
False
Controlled thermonuclear fusion occurs spontaneously under normal temperature and pressure.
True
False
Over 99% of the visible universe is made up of plasma.
True
False
Plasma is described as:
A gas with only neutral particles
A system of charged particles with collective behavior
A solid material with high energy
A mixture of liquids and solids
What percentage of the universe is made up of plasma?
Less than 50%
About 75%
Over 99%
About 25%
What happens to gas molecules when temperature increases?
They turn into plasma due to ionization
They freeze
They become liquid
They stop moving
What is the main source of plasma in space?
The Sun
The Earth
The Moon
The ocean
Which of the following is an example of plasma on Earth?
Lightning
Water
Rocks
Trees
Which of these is necessary for plasma production?
High temperature or an electric field
Low temperature
High pressure only
Removing magnetic fields
Which of the following is an application of plasma?
Chemical synthesis
Neon lights
lasers
All of the above
