2nd and 3rd Grade Science Resources : Page 15

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea investigates how color affects temperature.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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 free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea determines which method of hand cleansing is the most effective.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.