Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Enlisting the cooperation of your teenager to help prepare your household for an emergency is the perfect way to get set, fast.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The project researches how lubricants affect the mechanical advantage of a pulley.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

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?

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.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!