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.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

In this project students experiment with making music using only glasses of water.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

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

In this science fair project you will make a model of a cell membrane using very simple material.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

In this design challenge, your child will make a bottle rocket using typical household items.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

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

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.