Showing Results for two digit old : Page 6

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.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

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.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

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.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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.

This science fair project idea assesses the effect of music on work performance.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.