Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project teaches students about wilting and browning of salad greens.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.