States of Matter and Their Properties

The video tutorial explores the states of matter, focusing on solids, liquids, gases, and plasma. It explains the properties of each state, such as shape, volume, and density, and discusses phase changes like melting, vaporization, and sublimation. The tutorial also introduces plasma, describing its formation through ionization and its ability to conduct electricity.

What is matter primarily composed of?

• Molecules

• Atoms

• Cells

• Particles

Which state of matter has a definite shape and volume?

• Liquid

• Gas

• Solid

• Plasma

What is the term for a liquid's resistance to flow?

• Density

• Viscosity

• Compressibility

• Fluidity

Which state of matter is generally the most dense?

• Gas

• Liquid

• Solid

• Plasma

What is the density of liquid water approximately?

• 7,870 kg/m³

• 1,000 kg/m³

• 917 kg/m³

• 1.2 kg/m³

What is the process of changing from a solid to a liquid called?

• Sublimation

• Melting

• Condensation

• Freezing

Which process involves a gas turning directly into a solid?

• Sublimation

• Deposition

• Melting

• Vaporization

What is the term for the process of a gas becoming a plasma?

• Ionization

• Recombination

• Condensation

• Sublimation

Which state of matter is known to conduct electricity?

• Liquid

• Solid

• Gas

• Plasma

What is a common example of plasma found in nature?

• Water

• Ice

• Lightning

• Air