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

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

How powerful is the reaction between baking soda and vinegar? Find out here!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

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

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Discover how and which salt melts ice the quickest.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.