This science fair project idea compares biodiversity between drops of water.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Slip some science into storm watching with a homemade rain gauge!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This biodiversity project examines the biodiversity in your own backyard.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Determine if gender affects the ability to identify different smells.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.