Elementary School Engineering and Science Inquiry Resources : Page 13

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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!

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

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

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Cleaning can be a chore, but not with this sudsy experiment!

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this science fair project, young children notice and track changes in trees throughout the year.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.