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Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, students investigate how different colors influence appetite.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

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.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this science fair project you will make a model of a cell membrane using very simple material.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This experiment investigates whether there are certain sounds that affect men and women differently

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

This science fair project idea discovers the average time it takes for a person to remember something completely.