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

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 is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Science fair project that examines condensation and the conditions needed in order for dew to form.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea provides evidence that air is everywhere and takes up space.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Do you think heat can affect a plant's growth rate?