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

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

This fun math card game is a great opportunity to discuss probability with your third grader.

Help your third grader make the Scoop 'N Catch--a great choice for a fun and inexpensive afternoon.

Take a beach ball, a marker, and a first grader. What do you get? An outdoor activity that works on reading comprehension, in the midst of a game of catch!

Help your first grader, second grader, or third grader boost his addition skills and math vocabulary with this fun summer game Ice Cream Addition!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Your fourth grader be delighted to create monkey companions out of poster board! They also provide a perfect opportunity to teach her interesting monkey facts.

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

Kids are acutely aware of what's "fair" and what's not. Here's a quirky way to teach your first grader the importance of voting and democracy.

First graders will love practicing addition with this fun math game.

In this high energy, interactive game, third graders are challenged to race, involving spelling patterns in words.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Practice conversions within the metric system in this fun math card game for third graders.

Next time you're headed out on the road with your fourth grader, try this alphabet-geography game that the whole family can play.

Master reading numbers aloud with your first grader in this math card game.

Here's an arts and crafts activity that has your first-grader or second-grader using crayons and black paint to create a beautiful wax-resist nightscape.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Use this fun math board game to improve your first grader's confidence with addition facts.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This math game helps fourth graders improve their understanding of positive and negative integers in a fun way.

This basketball project explores the best way to make the perfect shot every time.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Practice subtraction with your second grader in this fun dice game. Math concepts have never been more fun!

Add negative and positive numbers in this fun math card game for fourth graders!