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Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

Tic-tac-toe is tons of fun, but the traditional version can get a little monotonous after a while. Mix it up and try this colorful outdoor version!

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

This decimal game is a great way to help your child get familiar with how decimal values work.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

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!

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

This project concerns activity happening millions of miles away, on the sun.

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.

Here's a preschool color collage activity to help your child work on their sorting skills, and create a beautiful addition to the refrigerator gallery.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.