Do different types of oil mix or stack? Find out in this science fair project idea!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Determine if gender affects the ability to identify different smells.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea explores the different properties of matter.

This science project teaches students to classify different shapes of leaves.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea produces sounds by creating vibrations using different objects.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

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