Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science fair project idea investigates if fats add to the flavor of food.

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

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

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.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.