This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Use a dichotomous key to identify plants or animals.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

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

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

Science fair project that tests whether cats have a preference for organic food.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

This science project challenges high school students to study the linguistic evolution of text messaging.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Explore the wattage of microwaves in relevance to cooking time.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this activity your child will create their very own marble maze!

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.