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.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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.

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

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

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.

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.

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

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!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this activity, your child will be challenged to make a tower using paper cups.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.