What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project will help students learn about non-vascular plants, such as mosses.

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.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Learn about nature by making your own mini moss garden.