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This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Construct batteries that make electricity from fruits with this fun science fair project.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Find out whether matte or shiny nail polish lasts longer.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

This science fair project idea demonstrates how our fingers prune when in water.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

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

This experiment will explore whether adding different substances to a gel affects its strength.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

This science fair project idea investigates food preference of birds.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Explore the negative and positive consequences of stereotypes.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.