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

Get your child excited about measuring with this fun and easy household measurements activity.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This little chick is so cute that your child will want to make a whole flock to call her own.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

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

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

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?

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

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

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Practice measurement using centimeters in this fun math race designed for your second grade student!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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!