In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

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

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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.

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

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

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!

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.

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!

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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

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

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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