Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Plant a mini herb garden and teach your child about science and nature.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.