Science for Grade 2
1 Introduction to Science
1-1 What is Science?
1-2 Importance of Science in Everyday Life
1-3 Basic Scientific Tools and Equipment
2 The Living World
2-1 Living and Non-Living Things
2-2 Characteristics of Living Things
2-3 Plants
2-3 1 Parts of a Plant
2-3 2 Functions of Plant Parts
2-3 3 Types of Plants
2-4 Animals
2-4 1 Types of Animals
2-4 2 Characteristics of Different Animals
2-4 3 Animal Habitats
3 The Human Body
3-1 Parts of the Human Body
3-2 Functions of Body Parts
3-3 Basic Needs of Humans
3-4 Health and Hygiene
4 The Earth and Beyond
4-1 The Earth
4-1 1 Earth’s Surface
4-1 2 Land and Water Forms
4-2 The Sky
4-2 1 Sun, Moon, and Stars
4-2 2 Day and Night
4-2 3 Weather and Seasons
5 Materials and Their Properties
5-1 Types of Materials
5-2 Properties of Materials
5-3 Changes in Materials
5-4 Recycling and Conservation
6 Forces and Motion
6-1 What is a Force?
6-2 Types of Forces
6-3 Motion
6-4 Simple Machines
7 Energy and Its Forms
7-1 What is Energy?
7-2 Types of Energy
7-3 Sources of Energy
7-4 Energy Conversion
8 Simple Experiments and Observations
8-1 Importance of Experiments
8-2 Basic Scientific Method
8-3 Simple Experiments to Observe Scientific Concepts
9 Safety in Science
9-1 Importance of Safety
9-2 Safety Rules in the Science Lab
9-3 Handling Equipment and Materials Safely
Types of Materials

Types of Materials

1. Metals

Metals are materials that are usually hard, shiny, and good conductors of heat and electricity. They are often used to make tools, buildings, and vehicles. Examples of metals include iron, aluminum, and copper.

Imagine metals as the strong, shiny superheroes of the material world. Just as superheroes protect and help people, metals protect and help us by being strong and useful.

2. Plastics

Plastics are materials made from synthetic or semi-synthetic organic compounds. They are lightweight, flexible, and can be molded into various shapes. Plastics are used in many everyday items like bottles, toys, and containers.

Think of plastics as the versatile, shape-shifting friends. Just as a shape-shifter can change into different forms, plastics can be made into many different shapes and used for many purposes.

3. Wood

Wood is a natural material made from the trunks of trees. It is strong, flexible, and can be used to make furniture, buildings, and paper. Wood is also a good insulator, meaning it helps keep things warm or cool.

Imagine wood as the sturdy, reliable giants from the forest. Just as giants provide shelter and strength, wood provides us with homes, furniture, and warmth.

4. Glass

Glass is a non-crystalline, amorphous solid material that is usually transparent or translucent. It is made by heating sand to very high temperatures. Glass is used in windows, bottles, and mirrors.

Think of glass as the clear, see-through windows of the material world. Just as windows let light in and let us see outside, glass lets light through and helps us see clearly.

5. Fabrics

Fabrics are materials made from fibers, either natural or synthetic. They are soft, flexible, and can be woven or knitted into various patterns. Fabrics are used to make clothes, blankets, and curtains.

Imagine fabrics as the cozy, warm blankets that wrap around us. Just as blankets keep us warm and comfortable, fabrics keep us clothed and protected.