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241 filtered results
Earth & Space Science
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Carbon Dioxide Concentrations
Carbon Dioxide Concentrations
Science Project
Carbon Dioxide Concentrations
Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Science
Science Project
Turning Compost
Turning Compost
Science Project
Turning Compost
Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.
Science
Science Project
Solar Oven Design
Solar Oven Design
Science Project
Solar Oven Design
A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Science
Science Project
Wind Turbine Design
Wind Turbine Design
Science Project
Wind Turbine Design
Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?
Science
Science Project
Supercooled Water
Supercooled Water
Science Project
Supercooled Water
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
5th grade
Science
Science Project
Do Phases of the Moon Affect Circadian Patterns in Mammals?
Do Phases of the Moon Affect Circadian Patterns in Mammals?
Science Project
Do Phases of the Moon Affect Circadian Patterns in Mammals?
The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.
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
Don't Cry Over Spilled Oil
Don't Cry Over Spilled Oil
Science Project
Don't Cry Over Spilled Oil
In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.
2nd grade
Science
Science Project
Greenhouse Effect
Science Project
Greenhouse Effect
Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.
Science
Science Project
Making Clouds: How to Make a Water Cycle Model
Making Clouds: How to Make a Water Cycle Model
Science Project
Making Clouds: How to Make a Water Cycle Model
Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.
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
Specific Heat of Water vs. Specific Heat of Sand
Specific Heat of Water vs. Specific Heat of Sand
Science Project
Specific Heat of Water vs. Specific Heat of Sand
What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.
5th grade
Science
Science Project
How to Separate Salt from Water
How to Separate Salt from Water
Science Project
How to Separate Salt from Water
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
3rd grade
Science
Science Project
Rain Damage
Rain Damage
Science Project
Rain Damage
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
4th grade
Science
Science Project
Washing Detergent & Hydrophobic Soil
Washing Detergent & Hydrophobic Soil
Science Project
Washing Detergent & Hydrophobic Soil
Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.
Science
Science Project
Crystal Wonderland
Crystal Wonderland
Science Project
Crystal Wonderland
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
1st grade
Science
Science Project
Do Gas Stations Cause Soil Pollution?
Do Gas Stations Cause Soil Pollution?
Science Project
Do Gas Stations Cause Soil Pollution?
In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.
Science
Science Project
Identifying Rocks and Minerals for Kids
Identifying Rocks and Minerals for Kids
Science Project
Identifying Rocks and Minerals for Kids
Check out this cool science fair project on identifying rocks and minerals for kids.
Science
Science Project
Salinity and Hatching Brine Shrimp Eggs
Salinity and Hatching Brine Shrimp Eggs
Science Project
Salinity and Hatching Brine Shrimp Eggs
Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.
5th 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
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Science Project
Dinosaur Tracks: How Are Fossilized Imprints Formed?
Kindergarteners will love this geology science project where they'll learn how fossils are made by creating fossil imprints in homemade clay.
Kindergarten
Science
Science Project
Bubbly Plants
Science Project
Bubbly Plants
Free science fair project idea examining how different types of water affect plant germination and growth.
Science
Science Project
Digging in the Dark
Digging in the Dark
Science Project
Digging in the Dark
Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.
5th grade
Science
Science Project
Dirty Composition
Dirty Composition
Science Project
Dirty Composition
This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.
Science
Science Project