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A DIY diffuser is a budget-friendly item that will add a pleasant fragrance to your home. Make a DIY diffuser with your child for great Valentine's Day gift.

Construct and experiment with a periscope using reflected light rays to gather an image.

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

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.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Teach your fifth grader the ancient Japanese art of origami with this incredible origami balloon that uses just one piece of paper!

Show your love of nature with this pretty vase made with vines. It will be perfect for holding a floral bouquet!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

Try a fun painting activity this Valentine's Day with your child. He can design abstract art and learn about color theory in an easy way!

This simple illuminaria can be made for any season or holiday. It's so fun that parents and kids alike will enjoy making a new one for each special holiday!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

In this fun experiment, we'll find out how color affects heat absorption!

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea experiments with spinning color wheels and optical illusions.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Get excited for St. Patrick's Day by making a Celtic knot.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

What better way to care for the earth than to create a Call to Action plan for the entire family?

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

Craft butterflies from coffee filters in this sweet spring craft project!

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

Dive into U.S. colonial history by making a simple bottle gourd water cooler, crafted by colonists of Roanoke Island in the 16th century.