Plasma State
Chemistry ⇒ States of Matter
Plasma State starts at 10 and continues till grade 12.
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See sample questions for grade 10
Describe how plasma differs from a gas in terms of its electrical properties.
Describe how plasma is used in plasma arc welding.
Describe one industrial application of plasma.
Describe the role of plasma in fusion reactors.
Describe what happens to the atoms in a gas when it is converted to plasma.
Explain the difference between thermal and non-thermal plasma.
Explain why plasma glows when electricity passes through it.
Explain why plasma is considered a good conductor of electricity.
Which of the following best describes the energy of particles in plasma compared to those in a gas? (1) Lower (2) The same (3) Higher (4) Zero
Which of the following best describes the particles in plasma? (1) Only neutral atoms (2) Only positive ions (3) A mixture of ions and electrons (4) Only molecules
Which of the following best explains why plasma is affected by magnetic fields? (1) It is made of neutral atoms (2) It contains charged particles (3) It is a solid (4) It is a liquid
Which of the following devices uses plasma technology? (1) Incandescent bulb (2) Plasma TV (3) Refrigerator (4) Electric fan
Fill in the blank: In plasma, the number of positive ions is ______ to the number of negative electrons.
Fill in the blank: Plasma can be generated by applying a strong ______ field to a gas.
Fill in the blank: The process of recombination in plasma involves ______ and ions combining to form neutral atoms.
Fill in the blank: The process of turning a gas into plasma is called ______.
True or False: Plasma can be controlled using magnetic fields.
True or False: Plasma can be found in interstellar space.
True or False: Plasma can be found naturally in stars, including the Sun.
True or False: Plasma can be used to remove pollutants from industrial gases.
