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.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

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.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

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

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea demonstrates that plants give off water.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project examines whether people's taste perception is influenced by what they see.

In this project children practice the scientific method while playing with puffy paint.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

Learn about nature by making your own mini moss garden.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

This science fair project idea explores how length affects the weight a bridge can hold.