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
Observing Objects and Events

Observing Objects and Events

1. Observing Objects

Observing objects means looking at things carefully to learn more about them. When you observe an object, you use your senses like sight, touch, and sometimes even smell and hearing. For example, if you look at a flower, you can see its color, feel its petals, and maybe even smell its fragrance. Observing helps you understand what the object looks like, feels like, and sometimes even smells like.

2. Observing Events

Observing events means watching things that happen over time. An event can be anything that changes or moves, like a butterfly flying or a ball rolling down a hill. When you observe an event, you watch how it starts, how it changes, and how it ends. For example, if you watch a caterpillar turn into a butterfly, you are observing an event. You see the caterpillar grow, form a chrysalis, and then emerge as a butterfly. Observing events helps you understand how things change and move.

3. Importance of Observation

Observation is very important in science because it helps us learn new things. By observing, we can discover how things work, why they look the way they do, and how they change over time. For example, by observing the sun, we can learn that it rises in the east and sets in the west. This helps us understand the movement of the sun in the sky. Observation is like being a detective who finds clues to solve mysteries about the world around us.

4. Tools for Observation

Scientists use special tools to help them observe better. For example, a magnifying glass helps you see small objects more clearly, just like how a telescope helps you see faraway objects. Another tool is a stopwatch, which helps you measure how long an event takes, like how long it takes for a toy car to roll down a ramp. These tools make observation easier and more accurate, helping us learn even more from what we see.