How well can people recall what they have observed. Test your knowledge in this fun experiment.

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.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea determines which flower lasts the longest.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This project explores whether music affects the growth and health of plants.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

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

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

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

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

Find out whether putting something on top of a plant will inhibit its growth.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.