Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

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 the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This science fair project idea determines which flower lasts the longest.

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!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

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.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

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 science fair project idea measures physical dexterity as a function of temperature.

This science fair project idea identifies clouds as a means of predicting the weather.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

This science fair project idea investigates food preference of birds.

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