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On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This project determines what category of person is most likely to be ticklish.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

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