Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Determine if gender affects the ability to identify different smells.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

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

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea investigates the difference in reaction times between boys and girls.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This science fair project idea demonstrates that plants give off water.