In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Does your child love toy cars? Here’s a terrific way for them to play with their toy cars and practice number recognition skills at the same time.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Here's a fun math-oriented arts and crafts activity for your preschool or kindergarten child: create a gumdrop topiary and practice counting along the way.

Help your preschooler chart her good eating habits with this arts and crafts activity that has her making a healthy fruits and vegetables rainbow and graph!

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Using nothing fancier than old milk cartons and popsicle sticks, create a village full of fun learning for your kindergarten math student.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Got a fussy eater on your hands? Here's a great way to make fruit appear more appealing, and make eating it a lot more fun, too!

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Need help encouraging your preschool child to organize her toys? Start with this activity, and turn sorting and categorizing into a fun game.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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!

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Plan ahead for summer, by constructing a holiday calendar with your child. A great way to teach kids about time!

Help your kindergartener review shapes - and build early reading skills - with this creative book project.

Help your preschooler or preschooler with shape recognition, math, and matching by creating your own personal shapes cards, good for home or car.