In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Students usually study for spelling tests by looking over the words and spelling them out loud. Here's a spelling game that gets the whole family involved!

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Have your child make a giant red poppy out of tissue paper in remembrance of the brave soldiers who served, especially those who died serving their countries.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Celebrate Kwanzaa with your fourth grader, or introduce them to a new cultural practice, by showing them how to weave a Kwanzaa mat out of an ordinary paper bag!

Check out this activity that has your kid create her own Cubist montage. Soon your kid will be well on her way to understanding the vibrant art of Cubism!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

For some good "green" fun, pull out your blender. A spinach smoothie?! You better believe it! And kids will not only slurp it up, they"ll beg for seconds.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.