This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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 experiment idea's objective is to understand the general concept of an acid and a base.

This science fair project idea identifies trees using a dichotomous key.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

In this project, several food items are tested to determine whether they contain starch.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

Make a homemade doll out of recycled materials, similar to dolls made by pioneer children.

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

At your next Valentine's Day celebration, your fifth grader can show family and friends she loves them with some fresh, fruity drinks--made from scratch!

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Pretty fluttery feather earrings add a light touch to any outfit. Your child will float on air knowing she made the earrings herself.

Here's a pumpkin nut bread recipe that makes for a wonderful project on a crisp autumn afternoon.

Analyze this simple betting game with your fourth grade student in order to discuss probability.

These homemade juggling balls are super simple to make and are a blast to play with. Not to mention, they're great practicing hand-eye coordination.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

A tall glass of lemonade is the perfect summer treat. Make it even better with these creative twists on classic lemonade!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.