Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Use pepper and soap to discover some fun facts about the properties of water.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Make a spring collage with your child to get them outside and those creative juices flowing!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Craft a paper rocket in this hands-on activity inspired by the life of Mae Jemison!

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

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Create a giant octopus from cardboard that holds onto a sea of creatures from its tentacles!

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

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

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Discover how and which salt melts ice the quickest.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Create your own version of an Aboriginal Australian dot painting in this fun activity!

On Father's Day, delight Dad--and stretch your early reader, too!--with this adorable ABC book of "Fun with Dad."

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!