This fascinating science fair project explores eye color genotypes.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This study observes plants, insects and an animal living in proximity to a known source of EMF.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

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

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

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!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.