Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

If you have a young child who loves physical stunts, try making these coffee-can stilts for backyard fun.

Discover which battery composition (type) lasts the longest.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this activity, your child will practice mindfulness, choose one thing to do in which they can slow down, and reflect on this experience. You can even try slowing down together!

This science fair project idea explores which fruit molds the fastest.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Give an old tin can a new life by transforming it into an organizer for your child's room in this middle school arts and crafts activity.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

This science fair project idea determines which brand of batteries have the longest life.

Leadership is a word that can hold many meanings. In this activity, your child will define the word "leadership," learn more about a leader they admire, and reflect on their leadership. Finally, your child will reflect on how they too are a leader!

Teach your child how to accessorize the environmental way!

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Determine which metal has the highest rate of conductivity.

Find out which type of sponge holds the most water.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

Test out various brands of permanent markers to see which one is least water soluble.

This science fair project idea explores which kinds of earplugs are the most effective.

This science fair project idea determines which flower lasts the longest.

Help your child comprehend the past by using hands-on activities like this homemade lantern project.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.