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.

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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.

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

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

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

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

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

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

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

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

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

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.

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.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!