Grade 4 Subjects > Science Worksheets

Adaptations and Survival
An adaptation is a special characteristic that helps an organism live in its habitat. For example, a polar bear has thick fur and a layer of fat to ...
Air and Weather
Weather is what the sky and air are like at any time and place. It can change from day to day or even hour to hour...
Animal Adaptations
Some live in hot deserts, while others live in cold, icy areas. To survive in these places, animals have special characteristics called adaptations...
Animal Behavior and Instincts
Some of this behavior is learned, while other behavior is instinctive. Instincts are natural ways animals act that they are born with...
Animal Classification
Scientists classify, or group, animals to better understand them. The way animals are classified is based on similar characteristics they share...
Animal Life Cycles
This is called its life cycle. A life cycle shows how an animal grows and changes from one stage to another...
Animal Structures and Functions
These structures are parts of the animal's body, like its bones, skin, or fins. Each structure has a specific function, meaning it does a particular...
Astronomy and Telescopes
Astronomers use many tools to explore the universe, and one of the most important tools is the __telescope__. Telescopes allow us to see things that...
Biomes
Each biome has its own unique climate, plants, and animals. The different types of biomes are found in various parts of the world...
Biomes Around the World
A biome is a large area characterized by its climate, soil, plants, and animals. There are many different types of biomes, such as deserts, forests,...
Chemical and Physical Changes
A physical change is when the shape or appearance of a material is changed, but its structure remains the same. For example, when water freezes to ...
Chemical vs. Physical Changes
pagebreak { page-break-before: always; } Chemical vs. Physical Changes Every day, we see different types of changes happening around us...
Earth's Layers
The outermost layer is called the crust. It is the layer we live on and is very thin compared to the other layers...
Earth's Natural Disasters
Natural disasters are events that happen when nature causes damage to the environment or to human life. Some common types of natural disasters inclu...
Earth's Rotation and Revolution
This spinning is called rotation. It takes about 24 hours for Earth to make one complete rotation...
Ecosystems
An ecosystem is a community of living things, like plants and animals, and non-living things, like water and rocks, all interacting with each other. ...
Ecosystems and Habitats
Each ecosystem has its own unique set of conditions, such as climate, soil, and water. These factors determine which organisms can thrive in that ar...
Electric Circuits
An electric circuit is like a pathway that lets electricity flow through it. Without this pathway, the electricity would not go anywhere, and your l...
Electricity and Circuits
It is created by tiny particles called electrons. These electrons move through materials, creating an electric current...
Electricity and Magnetism
They might seem different, but they are closely related. Electricity is the flow of tiny particles called electrons through a material, while magnet...
Food Chains and Webs
It starts with a producer, which is a plant that makes its own food using sunlight, water, and air. For example, grass is a producer...
Forces and Motion
When you kick a ball, you are applying a force that makes the ball move. The amount of force you use can affect how far the ball travels...
Forms of Energy
Some of the most common forms of energy include kinetic energy, potential energy, thermal energy, and electrical energy. Understanding these forms h...
Fossils and Dinosaurs
These animals roamed the land, flew in the skies, and swam in the oceans. They came in all shapes and sizes, from the tiny Compsognathus to the mass...
Gravity and Space
Gravity is what keeps everything on Earth, including us, from floating away into space. It pulls objects toward each other, and the strength of this...
Habitats and Niches
This place is called its habitat. A habitat provides everything a plant or animal needs to live, such as food, water, and shelter...
Heat and Temperature
Heat is a form of energy that can make things warm. It moves from one object to another, usually from something hot to something cold...
Human Body Systems
Each system has a unique role. For example, the skeletal system provides structure and support...
Introduction to Astronomy
Have you ever looked up at the night sky and wondered about the stars, planets, and other objects you see? Astronomers are scientists who explore the...
Introduction to Ecology
It is a branch of science that helps us understand the world we live in. _Ecologists_ study the relationships between plants, animals, and their sur...
Introduction to Genetics
Genetics is the study of how traits are passed from parents to children. These traits are things like hair color, eye color, and even being able to ...
Light and Optics
It is essential for life on Earth and helps us see the world around us. When light hits an object, it can be __reflected__, __absorbed__, or __trans...
Magnetic Forces
This invisible power is called a magnetic force. Magnets have two ends, known as poles...
Magnetism
It is created by the movement of electric charges. Magnets are objects that have a magnetic field, which is the area around the magnet where this fo...
Matter and Its Properties
Matter is anything that has weight and takes up space. From the air we breathe to the water we drink, matter is everywhere! Matte...
Matter and Its States
It can be found in different forms, known as states. The three main states of matter are solid, liquid, and gas...
Minerals and Rocks
These are the building blocks of our planet. Minerals are naturally occurring, non-living substances that have a specific chemical composition...
Natural Resources
They provide us with the things we need to live, such as food, water, and energy. There are two main types of natural resources: renewable and non-r...
Nutrition and Health
We need different kinds of foods to get the right balance of nutrients. Nutrients are substances that provide our bodies with energy and help us gro...
Oceans and Marine Life
They are home to a wide variety of __marine life__, including fish, mammals, and plants. Oceans play a crucial role in our __ecosystem__ by providin...
Photosynthesis
It is a very special way that plants turn sunlight into food. Plants need water, air, and sunlight to do this...
Plant and Animal Cells
All living things are made up of these cells. They are so small that you need a microscope to see them! A plant cell has a specia...
Plant Growth and Photosynthesis
They need several things to grow, including water, soil, sunlight, and air. One of the most important processes that help plants grow is called phot...
Plant Life Cycles
The life cycle of a plant usually has four main stages: seed, germination, growth, and reproduction. The first stage starts with a seed...
Plant Structure and Function
They have different parts, each with an important job. One of the main parts of a plant is the root...
Plant Structures and Functions
They play a vital role in our environment. One of the main structures of a plant is the root...
Pollution and Conservation
These substances can come from many sources, such as factories, cars, and even our homes. Some common types of pollution include air pollution, wate...
Properties of Water
It has several important properties that make it special. One of the most notable properties of water is its ability to exist in three different sta...
Renewable and Nonrenewable Resources
Resources can be divided into two main categories: renewable and nonrenewable. Understanding these categories is important for protecting our planet...
Rocks and Minerals
They make up the ground we walk on, the mountains we climb, and even the sand on the beach. Understanding rocks and minerals helps us learn about th...
Seasons and Weather Patterns
As the Earth orbits, it is tilted on its axis. This tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the y...
Simple Machines
Simple machines are tools that help us do work by changing the direction or amount of force needed. They are the building blocks for many complex ma...
Sound and Light
Sound is made when something moves back and forth very quickly. This movement creates vibrations in the air...
Sound and Vibrations
When something makes a sound, like a guitar string being plucked, it vibrates. These vibrations travel through the air and reach our ears...
States of Matter: Solids, Liquids, and Gases
Each state has its own unique properties. Understanding these properties helps us learn about the world...
Sustainability and Ecosystem Balance
This connection is known as an ecosystem. An ecosystem includes all the living things, like plants and animals, as well as non-living things, such a...
The Circulatory System
The heart is the center of the circulatory system. It is a strong muscle about the size of your fist...
The Earth's Atmosphere
It is essential for life because it provides __oxygen__ for us to breathe and protects us from harmful __radiation__ from the sun. The atmosphere is...
The Human Impact on Earth
Our activities can change the environment in both positive and negative ways. One of the biggest challenges we face today is pollution...
The Human Muscular System
It is made up of over 600 muscles that help us move, breathe, and even keep our heart beating. Muscles are made of special elastic tissues that can ...
The Human Respiratory System
It helps us breathe in fresh air and breathe out unwanted gases. This system is made up of several important parts that work together to keep us hea...
The Human Skeletal System
One of the most important parts of this machine is the skeletal system. The skeletal system is made up of bones, joints, and cartilage...
The Importance of Biodiversity
It includes all plants, animals, and microorganisms. Biodiversity is important because it helps maintain the balance of ecosystems...
The Importance of the Sun
It provides light and warmth, which are crucial for the survival of plants, animals, and humans. Without the Sun, our planet would be too cold, and ...
The Moon and its Phases
It is the Earth's only natural satellite and is about 238,855 miles away from us. The Moon does not produce its own light; instead, it reflects the ...
The Rock Cycle
There are three main types of rocks: igneous, sedimentary, and metamorphic. Each type is formed in a different way and can transform into the others...
The Role of Decomposers
They are organisms that break down __dead__ plants and animals. This process is called __decomposition__...
The Scientific Method
It helps them answer questions and solve problems. The first step in the scientific method is to make an observation...
The Senses
These senses are sight, hearing, smell, taste, and touch. Each sense organ is designed to detect different information and send it to the brain...
The Solar System
At the center of our Solar System is the __Sun__, a giant star that provides light and heat to all the planets. The Sun is so large that it makes up...
The Universe and Galaxies
It includes all the __stars__, __planets__, __moons__, and even tiny __particles__. The Universe is so big that scientists believe it began with a h...
The Water Cycle
It is a continuous cycle that includes several steps: evaporation, condensation, and precipitation. Understanding this cycle helps us learn about we...
Weather and Climate
Weather refers to the conditions of the atmosphere at a specific time and place. It includes elements like temperature, humidity, wind, and precipit...
Weather Instruments and Tools
These tools help us understand different aspects of the weather, such as temperature, wind speed, and rainfall. Knowing how to use these instruments...
Weather Patterns and Seasons
It includes important elements like __temperature__, __humidity__, __precipitation__, and __wind__. These elements work together to create different...
Weathering and Erosion
They are constantly being changed by nature through a process called weathering and erosion. Weathering is the process where rocks are broken down ...