Showing Results for comparing-three-digit--old : Page 3

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Can cells be frozen? This science fair project provides information to answer this question.

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

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

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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.

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

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This simple experiment serves as an introduction to the greenhouse effect.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.