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
Weather and Seasons

Weather and Seasons

1. Weather

Weather is the day-to-day conditions of the atmosphere. It includes elements like temperature, humidity, wind, and precipitation (rain, snow, etc.). Weather can change quickly and is different in different parts of the world.

Imagine weather as the different moods of the sky. Sometimes it's sunny and happy, other times it's cloudy and sad, and sometimes it's stormy and angry. Just like how people have different moods, the sky has different weather.

2. Seasons

Seasons are the yearly divisions of the year based on changes in weather, daylight, and temperature. There are four main seasons: Spring, Summer, Autumn (Fall), and Winter. Each season lasts about three months and brings different weather and activities.

Think of seasons as the different chapters in a year-long story. Each chapter has its own theme, like Spring being the chapter of new beginnings and Summer being the chapter of fun and sunshine.

3. Spring

Spring is the season when plants start to grow, and animals wake up from hibernation. The weather gets warmer, and flowers start to bloom. It's a time of renewal and new life.

Imagine Spring as the time when the Earth wakes up from a long nap. The trees get their leaves back, and the flowers start to wear their colorful dresses. It's like a big party where everything is fresh and new.

4. Summer

Summer is the warmest season of the year. The days are longer, and the weather is usually sunny and hot. People often enjoy outdoor activities like swimming, picnics, and playing in the park.

Think of Summer as the time when the Earth puts on its sunglasses and flip-flops. It's like a big beach party where everyone is outside having fun in the sun.

5. Autumn (Fall)

Autumn is the season when the weather starts to get cooler, and the leaves on the trees change color and fall to the ground. It's a time of harvest, and many fruits and vegetables are ready to be picked.

Imagine Autumn as the time when the Earth starts to get ready for bed. The trees shed their leaves like they're putting on their pajamas, and the air gets cooler, like a gentle breeze before sleep.

6. Winter

Winter is the coldest season of the year. The days are shorter, and the nights are longer. It often snows, and many animals hibernate or migrate to warmer places. People often enjoy winter activities like skiing, sledding, and building snowmen.

Think of Winter as the time when the Earth snuggles up under a big, fluffy blanket of snow. It's like a quiet, peaceful time where everything slows down and gets ready for the new year.