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A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Learn about the factors that influence group conformity.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

What happens when colored beams of light mix? You might be surprised.

Do you think heat can affect a plant's growth rate?

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

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.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.