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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this experiment we will be determining whether birds prefer certain colors of seed.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.