2nd - 4th Grade Science Activities : Page 18

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Help your child make a beautiful homemade sandcastle that will last!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

I scream, you scream, we all scream for homemade spearmint ice cream!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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

Try this chemistry experiment with your curious kid and get some "shocking" results!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Help your child celebrate the summer and the sun by making a sandy seascape.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!