In this fun math activity, second graders will learn to estimate items in a jar! 

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.

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

This activity will put those Halloween treats to good use by using candy corn to help your child with her subtraction skills.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

This activity with add some fun and education to long car trips. Perfect for family vacations!

Get your child excited about measuring with this fun and easy household measurements activity.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

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!

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

Give your smart second grader a rich challenge with this activity that combines graphing practice with money!

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.