3rd Grade Science Fair Projects

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205 filtered results
3rd grade
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Latent Fingerprints
Science Project
Latent Fingerprints
Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.
3rd grade
Science Project
Hot Dog Mummy
Science Project
Hot Dog Mummy
In this experiment you will replicate the mummification process by making a hot dog mummy.
3rd grade
Science Project
Forensic Entomology and the Life Cycle of the Blowfly
Forensic Entomology and the Life Cycle of the Blowfly
Science Project
Forensic Entomology and the Life Cycle of the Blowfly
Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.
3rd grade
Science Project
Get Cracking
Get Cracking
Science Project
Get Cracking
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
3rd grade
Science Project
Does Water Temperature Cause Metal to Expand and Contract?
Does Water Temperature Cause Metal to Expand and Contract?
Science Project
Does Water Temperature Cause Metal to Expand and Contract?
Discover whether a metal will expand under hot water.
3rd grade
Science Project
Can Plants Grow Without Sunlight or Water?
Can Plants Grow Without Sunlight or Water?
Science Project
Can Plants Grow Without Sunlight or Water?
Test whether plants can grow without sunlight and water.
3rd grade
Science Project
Talking to Plants
Talking to Plants
Science Project
Talking to Plants
This science fair project idea explores whether talking to a plant will help it grow.
3rd grade
Science Project
Upside-Down Plants
Upside-Down Plants
Science Project
Upside-Down Plants
This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.
3rd grade
Science Project
Does Hot Water Boil Faster Than Cold?
Does Hot Water Boil Faster Than Cold?
Science Project
Does Hot Water Boil Faster Than Cold?
Discover whether cold or hot water from the faucet will boil faster on the stove.
3rd grade
Science Project
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Science Project
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.
3rd grade
Science Project
Does Adding Salt to Pasta make it Cook Faster?
Does Adding Salt to Pasta make it Cook Faster?
Science Project
Does Adding Salt to Pasta make it Cook Faster?
Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.
3rd grade
Science Project
Do Different Types of Oil Mix or “Stack”?
Do Different Types of Oil Mix or “Stack”?
Science Project
Do Different Types of Oil Mix or “Stack”?
Do different types of oil mix or stack? Find out in this science fair project idea!
3rd grade
Science Project
Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?
Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?
Science Project
Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?
Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!
3rd grade
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.
3rd grade
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.
3rd grade
Science Project
Geology 101
Geology 101
Science Project
Geology 101
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
3rd grade
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?
3rd grade
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.
3rd grade
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.
3rd grade
Science Project
What Do Ants Eat?
What Do Ants Eat?
Science Project
What Do Ants Eat?
What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.
3rd grade
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?
3rd grade
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?
3rd grade
Science
Science Project
The Mohs Test: How to Compare the Hardness of Minerals
The Mohs Test: How to Compare the Hardness of Minerals
Science Project
The Mohs Test: How to Compare the Hardness of Minerals
This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.
3rd grade
Science Project
Popcorn Pumice: Exploring Different Rock Densities
Popcorn Pumice: Exploring Different Rock Densities
Science Project
Popcorn Pumice: Exploring Different Rock Densities
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
3rd grade
Science Project
How do Sedimentary Layers Form?
How do Sedimentary Layers Form?
Science Project
How do Sedimentary Layers Form?
In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.
3rd grade
Science Project

3rd Grade Science Fair Projects

For their 3rd grade science projects, kids begin investigating the answers to their questions much like actual scientists would. Instead of simply collecting qualitative data (describing what they observe), 3rd graders graduate to collecting and presenting quantitative data by measuring their results with increased accuracy, communicating their findings in simple charts and graphs, and describing their observations in written prose. Education.com's collection of 3rd grade science fair projects give kids the opportunity to apply their newly acquired skills to thinking critically about the world around them while having serious fun in the process. Browse our collection of third grade science projects and experiments by using the boxes to the left to filter by topic and find an exciting science project your child will be sure to love.