Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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.

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

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

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

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Make edible amber fossils with your second grader to explore the fascinating world of science!

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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

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.

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

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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

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!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.