Showing Results for rounding-three-digit-numbers

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This project compares the strength of one, two, and three-ply toilet paper.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea investigates whether plants can survive being frozen.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This project investigates the affect of storage temperature on microwave popcorn.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.