2nd - 5th Grade Science Resources : Page 49

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Construct and experiment with a periscope using reflected light rays to gather an image.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science fair project idea examines whether boys and girls differ in reflexes.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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.

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project investigates why the number of visible stars changes from place to place.