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In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Examine the effect of pressure on carbonation in soda.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Science fair project that explores the natural process of limestone formation.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea explores the different properties of matter.

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.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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!

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This science fair project idea explores the egg's thin membrane.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.