Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

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.

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.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

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

In this project children practice the scientific method while playing with puffy paint.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Create a bee garden to help shelter bees in your area.

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 easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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.