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

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

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!

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

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.

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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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.

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.

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.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.