When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Do different types of oil mix or stack? Find out in this science fair project idea!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea investigates how magnetism can defy the force of gravity.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Discover whether cold or hot water from the faucet will boil faster on the stove.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

In this activity your child will create their very own marble maze!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.