Showing Results for three digit and two step word problems : Page 12

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

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

Can cells be frozen? This science fair project provides information to answer this question.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

In this experiment you will evaluate whether praise improves athletic performance.

This experiment evaluates whether motivational music can improve athletic performance.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.