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

Use pepper and soap to discover some fun facts about the properties of water.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

Construct batteries that make electricity from fruits with this fun science fair project.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.