In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Teach your child how butter is created by shaking up cream the old-fashioned way.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Science fair project that examines condensation and the conditions needed in order for dew to form.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

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

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

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.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.