This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Science fair project that determines whether brain size is correlated with intelligence.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

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

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Use a dichotomous key to identify plants or animals.

Learn about the growing app design field by designing a new or improved app for smartphones.