Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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!

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

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.

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

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

In this activity your child will create their very own marble maze!

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.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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 science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Using a toy race car kids create a visual model of the Doppler Effect.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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.

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

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

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