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Elementary School Life Science - Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.
Warm, Warmer: How Does Exercise Change Body Temperature?
Anatomy
Second Grade
Could you grow a giant in your backyard? Create great soil and see if this helps you grow a bigger beanstalk!
Growing Beans
Botany
Second Grade
Red wriggler worms love to munch on things that you'd never want to eat for lunch, such as leaves and rotten vegetables. But what kind of items do worms like to eat best? Find out with this simple, fun compost project.
Compost Project: What Do Worms Like to Eat?
Zoology
First Grade
Do goldfish have a preference for different water temperature readings? Find what temperature goldfish prefer.
Sounds Fishy: Do Goldfish Have Water Temperature Preferences?
Zoology
Fourth Grade
In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.
Pruning Tomato Plants
Botany
Third Grade
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Turtle Habitat
Zoology
Second Grade
In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.
How Important Are Cats' Whiskers?
Elementary School
Life Science
Do you think heat can affect a plant's growth rate?
Heating Plants: The Great Growth Race
Botany
Third Grade
This science fair project idea teaches kids the different functions of a leaf.
What Do Leaves Do?
Elementary School
Botany
Test your friends to find out if you can replicate the placebo effect's incredible results.
The Placebo Effect
Anatomy
Second Grade
Mirror, mirror in the garden: who's got the most light of all? Discover whether adding mirrors to your garden can increase the light that's available to plants.
Mirrors in the Garden
Botany
Fourth Grade
Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.
Look and Listen! Watching Birds at a Sit Spot
Zoology
First Grade
Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!
Under What Conditions Do Potatoes Sprout The Fastest
Botany
Third Grade
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Sorting and Classification for Young Children
Elementary School
Life Science
Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.
Mental Mix Up: Experimenting with Your Ability to Focus
Life Science
Third Grade

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