Showing Results for three digit using place value : Page 25

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Determine if left-handed people have faster response times.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Learn the anatomical and physiological differences between central and peripheral visual systems.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.