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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.

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.

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.

This science fair project investigates why the number of visible stars changes from place to place.

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

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

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

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

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.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

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

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 explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!