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4th grade
Physical Science
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Changing the Period of a Pendulum
Changing the Period of a Pendulum
Science Project
Changing the Period of a Pendulum
Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.
4th grade
Science
Science Project
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Science Project
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.
4th grade
Science
Science Project
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
Science Project
The Best Stain Remover for Clothes: Testing Laundry Stain Removal
What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.
4th grade
Science
Science Project
Microwaving Liquids: Dielectric Heating
Science Project
Microwaving Liquids: Dielectric Heating
Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!
4th grade
Science
Science Project
Preserving Foods
Preserving Foods
Science Project
Preserving Foods
This science fair project idea determines the most effective method of preserving food.
4th grade
Science
Science Project
Conductor or Insulator
Conductor or Insulator
Science Project
Conductor or Insulator
This science fair project idea determines what household items are good conductors of electricity.
4th grade
Science
Science Project
The Effects of Temperature on Bounce
The Effects of Temperature on Bounce
Science Project
The Effects of Temperature on Bounce
This science fair project idea determines if the temperature of rubber effects how high it bounces.
4th grade
Science
Science Project
How Does Sound Travel?
How Does Sound Travel?
Science Project
How Does Sound Travel?
The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.
4th grade
Science
Science Project
Atmosperhic Layers
Atmosperhic Layers
Science Project
Atmosperhic Layers
This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
4th grade
Science
Science Project
Creating Sound Through Vibrations
Creating Sound Through Vibrations
Science Project
Creating Sound Through Vibrations
This science fair project idea produces sounds by creating vibrations using different objects.
4th grade
Science
Science Project
Air Is Everywhere!
Air Is Everywhere!
Science Project
Air Is Everywhere!
This science fair project idea provides evidence that air is everywhere and takes up space.
4th grade
Science
Science Project
Separating Mixtures
Separating Mixtures
Science Project
Separating Mixtures
This science fair project idea explores the different properties of matter.
4th grade
Science
Science Project
Changing the Pitch of Sound
Changing the Pitch of Sound
Science Project
Changing the Pitch of Sound
This science fair project idea produces varying pitches of sound.
4th grade
Science
Science Project
Work and Energy
Work and Energy
Science Project
Work and Energy
Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.
4th grade
Science
Science Project
Here's To Your Heart
Here's To Your Heart
Science Project
Here's To Your Heart
The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.
4th grade
Science
Science Project
Up Periscope or Down?
Up Periscope or Down?
Science Project
Up Periscope or Down?
In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.
4th grade
Science
Science Project
How to Make a Steam Powered Rocket Boat
How to Make a Steam Powered Rocket Boat
Science Project
How to Make a Steam Powered Rocket Boat
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
4th grade
Science
Science Project
Heat from Light Bulbs
Science Project
Heat from Light Bulbs
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
4th grade
Science
Science Project
How to Make an Anemometer
How to Make an Anemometer
Science Project
How to Make an Anemometer
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
4th grade
Science
Science Project
How to Make a Compass
How to Make a Compass
Science Project
How to Make a Compass
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
4th grade
Science
Science Project
Making a Static Electricity Bell
Making a Static Electricity Bell
Science Project
Making a Static Electricity Bell
Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.
4th grade
Science
Science Project
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Science Project
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
4th grade
Science
Science Project
Inverse Square Law: How Does Distance Affect the Spreading of Light?
Inverse Square Law: How Does Distance Affect the Spreading of Light?
Science Project
Inverse Square Law: How Does Distance Affect the Spreading of Light?
How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.
4th grade
Science
Science Project
Temperature, Air Humidity and Static Electricity
Temperature, Air Humidity and Static Electricity
Science Project
Temperature, Air Humidity and Static Electricity
What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.
4th grade
Science
Science Project
A Rocky Quiz
A Rocky Quiz
Science Project
A Rocky Quiz
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
4th grade
Science
Science Project