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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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This science experiment tests if dog saliva can really help heal wounds.
Can Doggy Drool Really Kill Germs?
Elementary School
Microbiology
This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.
Can New Plants Be Made Without Seeds?
Elementary School
Botany
This science fair project idea explores the different parts of the human ear and models how the human ear reacts to sound waves.
How Do We Hear?
Elementary School
Anatomy
This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.
Breathe in! Breathe Out! Do Boys and Girls Have the Same Lung Capacity?
Elementary School
Botany
This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.
Which Plants can Resist Walnut Tree Allelopathy?
Elementary School
Life Science
This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.
Apple Allelopathy: Accelerating the Ripening Process
Elementary School
Life Science
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
Ever wonder about the fungi you see growing on the sides of trees? This project explores these fungi to determine whether they are parasites or saprophytes.
Bracket Fungi: Parasites or Saprophytes?
Botany
Microbiology
In this project children discover, identify, and sort seeds from a variety of fruits and vegetables
Discovering and Sorting Seeds in Fruits and Vegetables
Elementary School
Life Science
Are crickets affected by temperature? Test your knowledge! This project examines whether temperature has any effect on the chirping of crickets.
Effect of Temperature on Chirping Crickets
Elementary School
Zoology
The objective of this experiment is to try and reverse a plant's natural biological rhythms by artificially switching daylight and nighttime periods.
Night Watch: Can We Train a House Plant to be Awake at Night?
Elementary School
Botany
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
Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.
Bad Vibrations: How Do Webs Help Spiders Get Prey?
Life Science
Fifth Grade
Science fair project which determines what types of foods ants like to eat, by monitoring the lives of ants in a colony.
What Does an Ant Eat for Breakfast?
Life Science
Third Grade

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