In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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.

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.

This science fair project idea identifies trees using a dichotomous key.

Use pepper and soap to discover some fun facts about the properties of water.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Give your budding young observers a chance to discover simple machines at use in their own home.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

In this science fair project, students use the streak test to tell minerals apart from each other.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.