Science for Grade 1
1 Introduction to Science
1-1 What is Science?
1-2 Importance of Science in Daily Life
1-3 Basic Scientific Tools and Equipment
2 Observing and Describing
2-1 Observing Objects and Events
2-2 Describing Objects Using Senses
2-3 Recording Observations
3 Classifying and Grouping
3-1 Understanding Classification
3-2 Grouping Objects Based on Similarities
3-3 Using Classification Keys
4 Measuring and Comparing
4-1 Introduction to Measurement
4-2 Measuring Length, Weight, and Volume
4-3 Comparing Measurements
5 Exploring Materials and Substances
5-1 Identifying Common Materials
5-2 Properties of Materials (e g , hardness, flexibility)
5-3 Changes in Materials (e g , melting, dissolving)
6 Investigating Forces and Motion
6-1 Understanding Forces
6-2 Observing Motion
6-3 Simple Machines (e g , lever, pulley)
7 Exploring Living Things
7-1 Identifying Plants and Animals
7-2 Basic Needs of Living Things
7-3 Life Cycles of Plants and Animals
8 Understanding the Environment
8-1 Ecosystems and Habitats
8-2 Interactions Between Living Things and the Environment
8-3 Importance of Biodiversity
9 Weather and Climate
9-1 Observing Weather Patterns
9-2 Understanding Climate
9-3 Weather Instruments and Their Use
10 Safety in Science
10-1 Importance of Safety in Science Experiments
10-2 Handling Equipment Safely
10-3 Emergency Procedures in the Science Lab
Classifying and Grouping

Classifying and Grouping

1. Classifying

Classifying means putting things into categories based on their characteristics. Just like how we sort our toys into different boxes, we can sort objects into groups based on what they look like, how they feel, or what they do. For example, we can classify animals into groups like mammals, birds, and fish based on how they live and what they look like.

Example: If you have a collection of fruits, you can classify them into groups like "round fruits" (apples, oranges) and "long fruits" (bananas, cucumbers). This helps you understand that even though they are all fruits, they have different shapes.

2. Grouping

Grouping is similar to classifying, but it involves putting things together based on a common feature or purpose. For example, you can group your toys into "outdoor toys" (like balls and bikes) and "indoor toys" (like dolls and building blocks). Grouping helps you organize things in a way that makes sense and makes it easier to find what you need.

Example: In a classroom, you can group students based on their favorite colors. This helps you see that even though everyone is different, they can still be grouped together based on a shared interest.

3. Importance of Classifying and Grouping

Classifying and grouping are important because they help us understand the world better. When we classify and group things, we can see patterns and relationships that we might not notice otherwise. This helps us learn more about how things are connected and how they work together. For example, by classifying animals, we can learn about their habitats, diets, and behaviors.

Example: If you classify your books by genre (like fiction, non-fiction, and picture books), you can easily find the type of book you want to read. This makes reading more enjoyable and helps you discover new books you might like.