Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Examine the connection between temperature and chemiluminescence.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Work on division with remainders in this fun fourth grade math board game.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Check out this game that provides an enjoyable way of demonstrating how recorded results can be expressed in whole numbers, fractions, and decimals.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Find sums of 10 in this fun first-grade math card game that helps kids build addition skills. Help your child use critical thinking skills to find the sums.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This experiment will explore the best way to create a perfect soft-boiled egg.

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

Learn how to count in Spanish. Your child will practice her numbers and build her reading skills while learning a bit about Latino culture along the way.

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Play this daily money game with your 2nd grade child to help his math skills.