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?

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This science experiment has students test whether a snail moves faster on concrete or dirt.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea investigates how magnetism can defy the force of gravity.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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 science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.