Showing Results for three digit old : Page 2

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

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

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.

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

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.

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, young children discover what happens when two fluids that have different densities get together.

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.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and 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.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project idea investigates whether plants can survive being frozen.

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

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

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.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

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

This science fair project examines how seeds hitchhike on animals and clothing.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.