Exploring Physical and Chemical Properties of Matter

Mr. Cazy introduces a chemistry lesson on the properties of matter, focusing on physical and chemical properties and changes. Physical properties involve no new substances, while chemical properties result in new substances. Examples and characteristics of each type are discussed, emphasizing the importance of understanding these concepts for future lessons on phase changes and thermodynamics. The lesson concludes with a recap and resources for further learning.

What is the main focus of chemistry according to the introduction?

• Exploring the history of chemistry

• Learning about laboratory equipment

• Understanding matter and energy changes

• Studying the periodic table

Which of the following is an example of a physical change?

• Combusting gasoline

• Burning paper

• Rusting iron

• Dissolving sugar in water

What does 'ductile' mean in terms of physical properties?

• Ability to conduct electricity

• Ability to be hammered into shapes

• Ability to be drawn into wires

• Ability to dissolve in water

Which of the following is NOT a physical property?

• Density

• Volume

• Mass

• Flammability

What happens to a substance during a chemical change?

• It changes color but remains the same substance

• It changes shape but remains the same substance

• It dissolves in water

• It forms a new substance

Which of the following is an example of a chemical property?

• Color

• Mass

• Reacts with oxygen

• Volume

What is a common result of a chemical change?

• A new substance is formed

• The substance changes state

• The substance changes shape

• The substance dissolves

What is the key difference between physical and chemical changes?

• Physical changes involve new substances, chemical changes do not

• Chemical changes involve new substances, physical changes do not

• Both involve new substances

• Neither involve new substances

What is an example of a physical property?

• Reacts with water

• Flammability

• Explosiveness

• Density

What should you do if you have questions about the lesson?

• Search online

• Send an email to Mr. Cozzi

• Ask a friend

• Ignore them

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