Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Introduce your child to science with something they see everyday--their shadow!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Help your child practice her counting as she makes this fun and festive holiday decoration!

The objective of this experiment is to evaluate the effects of acid rain on plants.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This simple experiment serves as an introduction to the greenhouse effect.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This project examines the affect of temperature on viscosity and surface tension of different liquids.