Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project examines how seeds hitchhike on animals and clothing.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Make a backbone model to explore human anatomy and life science.

This biodiversity project examines the biodiversity in your own backyard.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea compares biodiversity between drops of water.

This science experiment tests if dog saliva can really help heal wounds.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.