This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

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!

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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!

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Test whether cutting up meats will make it cook faster than just cooking it whole.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Make this delicious warm apple bread for Hanukkah.

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

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

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project idea investigates food preference of birds.

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.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!