Science for Grade 3
1 Introduction to Science
1-1 Understanding the Nature of Science
1-2 Importance of Observation and Experimentation
1-3 Scientific Tools and Their Uses
2 Living Things and Their Habitats
2-1 Characteristics of Living Things
2-2 Classification of Living Things (Plants and Animals)
2-3 Habitats and Ecosystems
2-4 Adaptations of Living Things to Their Environment
3 Plants
3-1 Parts of a Plant and Their Functions
3-2 Types of Plants (Flowering and Non-flowering)
3-3 Plant Life Cycles
3-4 Importance of Plants to Living Things
4 Animals
4-1 Animal Classification (Vertebrates and Invertebrates)
4-2 Animal Life Cycles
4-3 Animal Behavior and Adaptations
4-4 Importance of Animals to Ecosystems
5 Human Body
5-1 Basic Parts of the Human Body
5-2 Functions of Major Body Systems (Skeletal, Muscular, Digestive, Respiratory)
5-3 Importance of Healthy Habits
5-4 Safety and First Aid Basics
6 Materials and Their Properties
6-1 Classification of Materials (Solids, Liquids, Gases)
6-2 Properties of Common Materials
6-3 Changes in Materials (Physical and Chemical Changes)
6-4 Recycling and Conservation of Materials
7 Forces and Motion
7-1 Understanding Forces (Push and Pull)
7-2 Types of Motion (Linear, Circular)
7-3 Simple Machines (Lever, Pulley, Inclined Plane)
7-4 Balanced and Unbalanced Forces
8 Energy and Its Forms
8-1 Sources of Energy (Renewable and Non-renewable)
8-2 Forms of Energy (Light, Heat, Sound, Electrical)
8-3 Energy Transformations
8-4 Conservation of Energy
9 Earth and Space
9-1 Structure of the Earth (Crust, Mantle, Core)
9-2 Weather and Climate
9-3 Earth's Resources and Their Uses
9-4 The Solar System and Beyond
10 Environmental Science
10-1 Importance of Biodiversity
10-2 Human Impact on the Environment
10-3 Conservation Efforts and Sustainable Practices
10-4 Global Environmental Issues (Pollution, Climate Change)
Understanding 4 Animals

Understanding 4 Animals

1. Elephant

Elephants are the largest land animals on Earth. They have large, floppy ears, long trunks, and tusks. Elephants use their trunks for breathing, smelling, touching, and picking up objects. They are very social animals and live in groups called herds. Elephants are known for their excellent memory and can remember places and other elephants for many years.

Imagine an elephant as a gentle giant with a long, flexible nose. Its trunk is like a multi-tool, helping it do everything from picking up tiny peanuts to spraying water for fun. Elephants are like wise old friends, always remembering important things and places.

2. Dolphin

Dolphins are marine mammals that live in oceans and seas around the world. They are known for their intelligence, playful behavior, and ability to communicate using clicks and whistles. Dolphins have streamlined bodies that help them swim quickly and gracefully. They live in groups called pods and often work together to hunt for food.

Think of a dolphin as a playful underwater acrobat. Its sleek body lets it zoom through the water, and its clicks and whistles are like a secret language, helping it talk to its friends. Dolphins are always ready for a game, whether it's jumping out of the water or helping each other find dinner.

3. Kangaroo

Kangaroos are marsupials native to Australia. They are known for their powerful hind legs, large feet, and long, muscular tails. Kangaroos use their strong legs to hop great distances and can reach speeds of up to 40 miles per hour. They carry their young, called joeys, in a pouch on their belly. Kangaroos are herbivores and mainly eat grasses and plants.

Imagine a kangaroo as a bouncing, baby-carrying superhero. Its legs are like springs, letting it leap over long distances in just a few hops. The pouch is like a cozy nursery, keeping its baby safe and warm. Kangaroos are always on the move, grazing on the vast grasslands of Australia.

4. Penguin

Penguins are flightless birds that live in the Southern Hemisphere, particularly in Antarctica. They have adapted to life in cold environments with their thick, waterproof feathers and layers of fat called blubber. Penguins waddle on land but are excellent swimmers, using their flippers to "fly" through the water. They are social animals and often gather in large colonies.

Think of a penguin as a tuxedo-wearing, water-loving dancer. Its feathers are like a warm, waterproof coat, keeping it cozy in the icy cold. On land, penguins waddle like they're walking on ice skates, but in the water, they become graceful swimmers, gliding through the ocean with ease. Penguins are always ready to party, gathering with their friends in big groups.