Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea investigates whether plants can survive being frozen.

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

Make a spring collage with your child to get them outside and those creative juices flowing!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project explores how osmotic pressure forces water through the root up into the plant.