Showing Results for three digit using place value : Page 7

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project that uses distillation to convert salt water into fresh water.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Find out which kind of bubble wrap fares best when put in impact.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Examine the effect of pressure on carbonation in soda.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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

Will the shape of an ice cube impact how fast the ice melts?