Science Class 3 - Matter And-Materials Notes
Comprehensive study notes for Class 3 - Matter And-Materials olympiad preparation
Matter and Materials
Welcome to the chapter on Matter and Materials for Class 3. In this chapter, you will learn what matter is, the different types of materials around us, and how we use them in daily life. By the end of this chapter, you will be able to identify different materials and understand their uses!
Introduction
Everything around us is made of matter. Matter is anything that takes up space and has weight. Materials are different kinds of matter that we use to make things.
What is Matter?
- Matter is all around us—air, water, rocks, wood, and even you!
- Matter can be solid, liquid, or gas.
Types of Materials
- Natural materials: Found in nature. Example: wood, water, cotton, stone.
- Man-made materials: Made by people. Example: plastic, glass, paper, steel.
Properties of Materials
- Some materials are hard (stone, metal).
- Some are soft (cotton, sponge).
- Some can float (wood), some sink (stone).
- Some are transparent (glass), some are opaque (wood).
Uses of Materials
- Wood is used to make furniture.
- Glass is used for windows and bottles.
- Plastic is used for toys and bags.
- Cotton is used for clothes.
- Metal is used for tools and vehicles.
Fun Activity: Material Hunt!
Look around your home or classroom. Make a list of things made from wood, plastic, glass, and metal.
Summary
- Matter is anything that has weight and takes up space.
- Materials can be natural or man-made.
- Different materials have different properties and uses.
Practice Questions
- What is matter?
- Name two natural materials.
- Name two man-made materials.
- Which material is used to make windows?
- Is cotton hard or soft?
Challenge Yourself
- Draw and label three things made from different materials.
- Find out which materials float in water and which sink.
Did You Know?
- Plastic can be recycled to make new things!
- Glass is made by heating sand to a very high temperature.
Glossary
- Matter: Anything that takes up space and has weight.
- Material: The substance used to make things.
- Natural: Found in nature.
- Man-made: Made by people.
- Property: Something special about a material (hard, soft, transparent, etc.).
Answers to Practice Questions
- Matter is anything that has weight and takes up space.
- Wood, cotton, stone, water (any two).
- Plastic, glass, paper, steel (any two).
- Glass.
- Soft.
Explore the world of matter and materials around you every day!