Showing Results for three digit using place value : Page 13

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This easy at-home experiment is a great way to "see" science.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Learn with makes water molecules work with this fun and easy science activity!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This experiment tests which gender is better at catching how a magician performs his tricks.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project will help students learn about non-vascular plants, such as mosses.