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.

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.

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

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 science fair project, young children discover what happens when two fluids that have different densities get together.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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.

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.