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

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea identifies trees using a dichotomous key.

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Find out which kind of bubble wrap fares best when put in impact.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea explores the different properties & interactions of sugar molecules.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.