Showing Results for three digit and two step word problems : Page 11

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This science fair project idea investigates the difference in reaction times between boys and girls.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea investigates how color affects temperature.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Make edible amber fossils with your second grader to explore the fascinating world of science!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Test your friends to find out if you can replicate the placebo effect's incredible results.