Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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.

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Learn with makes water molecules work with this fun and easy science activity!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Cleaning can be a chore, but not with this sudsy experiment!

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.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Help your child learn about animal classification with this fun and delicious activity.

In this project students experiment with making music using only glasses of water.