Changes in States of Matter

Ibu Siti Fatimah introduces the lesson on changes in matter, outlining the learning objectives. The session covers the concept of changes in matter, including the causes and types such as melting, freezing, evaporation, condensation, sublimation, and deposition. Each type is explained with real-life examples. The lesson concludes with a summary and encouragement for students to apply the knowledge in daily life.

What is the primary goal of today's lesson?

• To explore chemical reactions

• To identify and understand changes in states of matter

• To understand the different states of matter

• To learn about the history of matter

What is a change in the state of matter?

• A change in the shape of a substance

• A change in the form or state of a substance

• A change in the temperature of a substance

• A change in the color of a substance

Which of the following is NOT a type of change in the state of matter?

• Freezing

• Boiling

• Melting

• Condensation

Which process involves a substance changing from a solid directly to a gas?

• Condensation

• Sublimation

• Freezing

• Melting

What type of change occurs when a substance absorbs heat?

• Deposition

• Melting

• Condensation

• Freezing

Which of the following is an example of freezing?

• Water boiling into steam

• Ice turning into water

• Steam condensing into water

• Water turning into ice

What happens to the temperature of a substance during condensation?

• It fluctuates

• It remains the same

• It increases

• It decreases

Which process is described as a gas changing directly into a solid?

• Sublimation

• Deposition

• Freezing

• Melting

What is an example of sublimation?

• Water boiling into steam

• Dry ice turning into gas

• Water freezing into ice

• Ice melting into water

Which of the following is an example of deposition?

• Steam condensing into water

• Water boiling into steam

• Ice melting into water

• Snow forming from water vapor