Showing Results for prepositions 3 : Page 75

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Here's a quick look at the Hamlet, the classic Shakespearean tragedy, as well as useful SAT vocabulary to give your teen a leg up in English class and beyond.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Kindergarteners are expected to master the alphabet. Get your child outside and exercising with this fun, move and shake alphabet game.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This project concerns activity happening millions of miles away, on the sun.