Showing Results for three digit using place value : Page 5

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Let your preschooler create something cute while making something delicious to eat: create bread sculptures, or shapes of bread dough!

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Help your child practice her counting as she makes this fun and festive holiday decoration!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.