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
Recycling and Conservation

Recycling and Conservation

1. Recycling

Recycling is the process of converting waste materials into new products. This helps reduce the amount of waste that goes into landfills and conserves natural resources. Common items that can be recycled include paper, plastic, glass, and metal.

Imagine recycling as turning old toys into new ones. Just like how you can use old blocks to build a new castle, we can use old materials to create new things.

2. Conservation

Conservation is the practice of protecting and managing natural resources to prevent their depletion. This includes preserving forests, water bodies, and wildlife. Conservation efforts help maintain the balance of nature and ensure that future generations can also enjoy these resources.

Think of conservation as taking care of a garden. Just like you water and prune your plants to keep them healthy, we need to take care of our natural resources to keep the Earth healthy.

3. Reduce, Reuse, Recycle

This is a simple rule to help protect the environment. Reduce means using less of something to create less waste. Reuse means finding new ways to use old items instead of throwing them away. Recycle means turning waste materials into new products.

Imagine this rule as a three-step dance. First, you reduce by not taking too many cookies. Then, you reuse by using the same plate for lunch. Finally, you recycle by putting the empty milk carton in the recycling bin.

4. Water Conservation

Water conservation involves using water efficiently to reduce waste. This can be done by fixing leaks, using water-saving appliances, and being mindful of water usage in daily activities like washing hands and taking showers.

Think of water conservation as saving your allowance. Just like you save your money for something special, we save water to make sure there's enough for everyone and for future use.

5. Energy Conservation

Energy conservation involves using less energy to reduce the demand for energy production. This can be achieved by turning off lights when not in use, using energy-efficient appliances, and walking or biking instead of driving.

Imagine energy conservation as turning off the TV when you're not watching it. Just like you save electricity by not keeping the TV on all the time, we save energy by using it wisely.