Properties and Changes of Matter

The video introduces the concept of matter, explaining its two fundamental properties: mass and volume. It then explores the three states of matter: solid, liquid, and gas, highlighting their unique characteristics. The video further explains how matter can change from one state to another through processes like melting, solidification, evaporation, and condensation. The tutorial concludes with a reminder to subscribe to Happy Learning TV.

What are the two fundamental properties of matter?

• Color and texture

• Mass and volume

• Shape and size

• Temperature and pressure

Which state of matter has a fixed volume but takes the shape of its container?

• Solid

• Plasma

• Liquid

• Gas

What is a characteristic of gases in terms of volume and shape?

• Fixed volume and variable shape

• Fixed volume and shape

• Variable volume and fixed shape

• Variable volume and shape

Which state of matter is described as having a fixed volume and size?

• Plasma

• Gas

• Liquid

• Solid

What process describes the change from solid to liquid?

• Condensation

• Evaporation

• Melting

• Solidification

Which process involves a liquid turning into a gas?

• Condensation

• Evaporation

• Solidification

• Melting

What happens during solidification?

• Solid turns into gas

• Liquid turns into solid

• Gas turns into liquid

• Liquid turns into gas

What is the process called when gas turns into liquid?

• Melting

• Evaporation

• Condensation

• Solidification

What happens to water vapor when it touches a cold surface?

• It evaporates

• It solidifies

• It condenses

• It melts

What is the opposite process of melting?

• Evaporation

• Condensation

• Solidification

• Sublimation