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This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.