This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science fair project idea investigates the difference in reaction times between boys and girls.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Help your child learn about animal classification with this fun and delicious activity.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Help your child celebrate the summer and the sun by making a sandy seascape.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!