In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

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.

Do you think heat can affect a plant's growth rate?

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.