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When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

Help your child add some flair to the family garden with pencil pinwheels!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Science fair project that examines condensation and the conditions needed in order for dew to form.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.