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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Do different types of oil mix or stack? Find out in this science fair project idea!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project idea provides evidence that air is everywhere and takes up space.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.