This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project teaches students about wilting and browning of salad greens.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Slip some science into storm watching with a homemade rain gauge!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.