Chapter 1
Matter
BIG IDEAS
• Matter has properties that can be observed. The physical and chemical properties of matter can help one distinguish the usefulness or harmfulness of a material.
• Matter undergoes physical and chemical changes. Physical changes, unlike chemical changes, do not alter the composition of a substance.
• Application or removal of heat can change matter from one state to another.
• The presence of oxygen can cause chemical alteration in certain materials.
• Recycling, reducing, reusing, recovering, and repairing materials are important practices that help in the management of waste.
• Matter undergoes physical and chemical changes. Physical changes, unlike chemical changes, do not alter the composition of a substance.
• Application or removal of heat can change matter from one state to another.
• The presence of oxygen can cause chemical alteration in certain materials.
• Recycling, reducing, reusing, recovering, and repairing materials are important practices that help in the management of waste.
CHAPTER OVERVIEW
Different kinds of materials have properties that make them distinct from one another. Understanding the properties of matter, both physical and chemical, enables one to determine the possible uses of materials as well as their harmful effects when not used properly.
Matter undergoes changes that allow a material to be altered and become useful. It may undergo physical changes that involve alteration of state resulting from application of heat. Matter may also undergo chemical changes like combustion, electrolysis, oxidation, and tarnishing.
Materials should be utilized safely and responsibly to maximize their usefulness. Responsible use of matter includes proper waste management through various ways.
Matter undergoes changes that allow a material to be altered and become useful. It may undergo physical changes that involve alteration of state resulting from application of heat. Matter may also undergo chemical changes like combustion, electrolysis, oxidation, and tarnishing.
Materials should be utilized safely and responsibly to maximize their usefulness. Responsible use of matter includes proper waste management through various ways.
DESIRED RESULTS
Content Standard/s
The learners demonstrate understanding of
• the properties of materials to determine whether they are useful or harmful; and
• the changes that materials undergo due to oxygen and heat.
• the properties of materials to determine whether they are useful or harmful; and
• the changes that materials undergo due to oxygen and heat.
Performance Standard/s
The learners should be able to use local, recyclable solid and/or liquid materials in making useful products.
Chapter Objectives
At the end of the chapter, the pupils are expected to
1. identify the physical and chemical properties of matter;
2. classify a material as useful or harmful;
3. identify and explain the possible uses of a material based on its properties;
4. explain how the properties of certain materials change as a result of heating;
5. describe the changes caused by chemical reactions like combustion, electrolysis, oxidation, and tarnishing;
6. cite the importance of proper waste management to humans and the environment;
7. design and create useful products from local and recyclable materials; and
8. participate in an activity that involves responsible utilization of matter.
1. identify the physical and chemical properties of matter;
2. classify a material as useful or harmful;
3. identify and explain the possible uses of a material based on its properties;
4. explain how the properties of certain materials change as a result of heating;
5. describe the changes caused by chemical reactions like combustion, electrolysis, oxidation, and tarnishing;
6. cite the importance of proper waste management to humans and the environment;
7. design and create useful products from local and recyclable materials; and
8. participate in an activity that involves responsible utilization of matter.
Lesson 1: Matter and its Properties
Lesson 2: Changes in Matter
Lesson 3: Responsible Living with Matter
Culminating Activity
Lesson 2: Changes in Matter
Lesson 3: Responsible Living with Matter
Culminating Activity