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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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Test the idea that people who wear glasses tend to be more educated. True or false?

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

This project examines whether more expensive golf balls translate into better results on the golf course.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this experiment we will be determining whether birds prefer certain colors of seed.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Help your child plant a "tea garden": a garden made of herbs for making teas.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Science fair project that builds a magnetometer and demonstrate its uses.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.