What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

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

Science fair project that determines whether moths are attracted to one color of light more than others.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

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.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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