Showing Results for three digit using place value : Page 11

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This experiment will explore the possibility of creating an infinite object by hand.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

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

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

This science fair project idea explores the egg's thin membrane.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Determine how good we are at direct and indirect observation.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

This science fair project idea explores whether talking to a plant will help it grow.

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

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

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