Showing Results for two digit old : Page 2

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

This experiment will explore the best way to create a perfect soft-boiled egg.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Learn about the growing app design field by designing a new or improved app for smartphones.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science experiment has students test whether a snail moves faster on concrete or dirt.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.