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Life Science - Science Fair Project Ideas

Find the life science, science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.
Do Plants Grow Best In Chemical Fertilizer, Organic Fertilizer, Or No Fertilizer?
Botany
Middle School
This project examines the behavior of animals toward natural and artificial sugars. Which will they prefer?
Sweet Treat: How Do Ants React to Artificial and Natural Sugars?
Zoology
Middle School
Plants and light seem to be good buddies, but how far does the friendship really go?
Growing in the Dark: Plants and Light
Botany
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?
Life Science
Zoology
Do plants get crowded?
Soil Space: A Crowded Science
Botany
Second Grade
This experiment explores the most common colors that appear among a sample of crossbred guppies.
Finding Dominant Color Traits in Guppies
Life Science
Middle School
Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!
Food Consumption: Who Eats More?
Life Science
Second 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
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
Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.
What Do Ants Like Best: Artificial or Cane Sugars?
Zoology
Middle School
Learn about the field of psychophysics and to learn about 'Just Noticeable Differences.'
Psychophysical Distinctions: Investigating “Just Noticeable Differences”
Life Science
Middle School
Explore the relationship between personality traits and birth order effects.
Born to Rebel: Birth Order and Personality
Life Science
Middle School
Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.
How to Build a DNA Model
Life Science
Fifth Grade
Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.
How Do You Remember?
Life Science
Ninth Grade
This science fair project idea teaches kids the different functions of a leaf.
What Do Leaves Do?
Botany
Elementary School

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