If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This science fair project idea investigates whether plants can survive being frozen.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Examine the impact of insecticides on plant growth.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea determines if the color of light affects the growth of plants.

Introduce your child to science with something they see everyday--their shadow!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Test your skills as a weather forecaster, and learn some science terms on the way!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea explores whether color affects a person's emotional state.

The objective of this science project is to determine the length of time for different seeds to germinate.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.