Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Find out whether a longer airplane will fly farther or a wider paper airplane.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!