This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Pump up the learning level of your kindergartener's summer break by playing patriotic bingo when July 4th rolls around.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

Science fair project that cultivates slime mold and monitors the stages of its development.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

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

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

This project explores what happens to a rubber band when it is heated and cooled.

This experiment investigates if stress alters body temperature.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Check out this fun science project to explore the relationship between solubility, drug absorption, and time required for a drug effect to become apparent.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.