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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!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Take a dive into the candy jar with this yummy science experiment.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea uses the process of chemical weathering to change a mineral.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This experiment will explore the best way to create a perfect soft-boiled egg.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.