Showing Results for three digit and two step word problems : Page 9

This experiment investigates if stress alters body temperature.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Practice measurement using centimeters in this fun math race designed for your second grade student!

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Science fair project that cultivates slime mold and monitors the stages of its development.

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

From Canada's flag, to the Toronto Maple Leafs, to classic maple syrup cookies, the maple tree is very much a part of Canadian heritage.

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.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

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 child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!