Showing Results for -word-problems-old : Page 2

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Demonstrate how to tell the age of an egg without having to crack it open.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.