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24 filtered results
4th grade
Environmental Science
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Homemade Thermometer
Homemade Thermometer
Activity
Homemade Thermometer
Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!
4th grade
Science
Activity
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
In the Air and All Around
In the Air and All Around
Science Project
In the Air and All Around
How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.
4th grade
Science
Science Project
Energy From Garbage: How to Make Biogas
Energy From Garbage: How to Make Biogas
Science Project
Energy From Garbage: How to Make Biogas
It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.
4th grade
Science
Science Project
Compost Sorting
Compost Sorting
Science Project
Compost Sorting
This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.
4th grade
Science
Science Project
Compost Ingredients
Compost Ingredients
Science Project
Compost Ingredients
The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.
4th grade
Science
Science Project
Measuring Raindrops
Measuring Raindrops
Science Project
Measuring Raindrops
What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.
4th grade
Science
Science Project
Ping Pong Ball Anemometer
Ping Pong Ball Anemometer
Science Project
Ping Pong Ball Anemometer
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
4th grade
Science
Science Project
Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?
Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?
Science Project
Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?
This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.
4th grade
Science
Science Project
What Causes Dew?
What Causes Dew?
Science Project
What Causes Dew?
In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
4th grade
Science
Science Project
Tropical Rainforest Trees: Buttress Roots
Tropical Rainforest Trees: Buttress Roots
Science Project
Tropical Rainforest Trees: Buttress Roots
What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!
4th grade
Science
Science Project
How to Prevent Erosion
How to Prevent Erosion
Science Project
How to Prevent Erosion
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
4th grade
Science
Science Project
Decomposition Rates of Biodegradable Materials
Decomposition Rates of Biodegradable Materials
Science Project
Decomposition Rates of Biodegradable Materials
This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.
4th grade
Science
Science Project
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
Science Project
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.
4th grade
Science
Science Project
Edge Effect
Science Project
Edge Effect
In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.
4th grade
Science
Science Project
Barometric Pressure
Barometric Pressure
Science Project
Barometric Pressure
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
4th grade
Science
Science Project
Dew Point, Humidity and Weather
Dew Point, Humidity and Weather
Science Project
Dew Point, Humidity and Weather
Science fair project that examines condensation and the conditions needed in order for dew to form.
4th grade
Science
Science Project
Rate of Evaporation
Rate of Evaporation
Science Project
Rate of Evaporation
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
4th grade
Science
Science Project
A Thunderous Sound
A Thunderous Sound
Science Project
A Thunderous Sound
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
4th grade
Science
Science Project
Snow to Liquid Ratio
Snow to Liquid Ratio
Science Project
Snow to Liquid Ratio
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
4th grade
Science
Science Project
Too Cold To Snow?
Too Cold To Snow?
Science Project
Too Cold To Snow?
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
4th grade
Science
Science Project
Albedo
Albedo
Science Project
Albedo
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
4th grade
Science
Science Project
DIY Rain Gauge
DIY Rain Gauge
Science Project
DIY Rain Gauge
In this science fair project, students make their own rain gauge to measure rainfall.
4th grade
Science
Science Project
The Ghost in the Tube
The Ghost in the Tube
Science Project
The Ghost in the Tube
In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.
4th grade
Science
Science Project