Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project that uses distillation to convert salt water into fresh water.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Compare the ignition rates of various types of flame-retardant materials.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.