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Elementary School Ecology Science Fair Project Ideas

Browse from many free elementary school ecology science fair project ideas. These elementary school ecology science fair projects are a great place to find ideas for an upcoming science fair.

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This project tests the feasibility of earthworms as a means of recycling kitchen waste into fertile garden soil.
Can Earthworms be Used to Recycle Kitchen Wastes into Fertile Garden Soil?
Ecology
Fourth 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?
Ecology
Fourth Grade
What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.
What is Biodiversity?
Ecology
Fifth Grade
Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?
Soil Horizon
Ecology
Fifth Grade
When you plant insect-attracting plants, does this actually increase the number of beneficial insects in your garden?
Beneficial Insects
Ecology
Fourth Grade
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
Ecology
Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.
What a Drag!
Ecology
Second Grade
What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.
DIY Compost
Ecology
Third Grade
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
Ecology
What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.
What is Mulch?
Ecology
Fifth Grade
Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.
Cinnamon Bug Repellent: Sweet Relief?
Ecology
First Grade
You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.
How Do Oil Spills Affect the Environment?
Ecology
Fifth Grade
What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.
Shadow Science: What Makes Shade Shift?
Ecology
First Grade
This science fair project idea observes products available in the school cafeteria and waste produced by these products.
Cafeteria Waste
Elementary School
Ecology
This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.
Reusing Your Trash
Elementary School
Ecology

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