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Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science fair project idea determines which method of hand cleansing is the most effective.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Challenge your learner to design and build a city of their own in this creative engineering activity.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This biodiversity project examines the biodiversity in your own backyard.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.