This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This basketball project explores the best way to make the perfect shot every time.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment investigates whether there are certain sounds that affect men and women differently

This science fair experiment examines the relationship between gender, age, and smiling.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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