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recursos educativos > Química

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The Science Behind a Cold Pack

This science project explores endothermic reactions by comparing the temperature change that results from various chemicals added to water. How do cold packs work In chemistry, what happens during an ...


Hipervinculo Química


Fermentation occurs with the oxidation of organic compounds. This results in various alcohol-based products like beer, wine and certain fuels. In this project you will observe and demonstrate the ferm ...

Which Part of the Flame is the Hottest?

Find out which part of a flame burns wood (in this case, a toothpick) the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.It is an educational cont ...

Which flame-retardant material is most effective?

This science project compares the ignition rates of various types of flame-retardant .It is an educational content by clicking on the title of this resource, you will be redirected to ...

What's the Best Way to Destroy Fridge Odors?

Discover the best method for removing odors from refrigerators: lemon, baking soda, active carbon, or coffeeIt is an educational content by clicking on the title of this resource, you ...

Are All Sugars the Same?

Carbohydrates are organic compounds composed of carbon, hydrogen and oxygen. These compounds are used to produce energy by living things. Sugars, starches, glycogen and cellulose are all carbohydrates ...

How to Make Gel Stronger

We enjoy gel in our Jell-O pudding desserts as well as in our household glue, hair products and more. How many types of glue can you find in your house? Knowing why some gels are stronger than others, ...

Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?

Hard water refers to the presence of dissolved ions, mainly of calcium Ca2+ and magnesium Mg2+ which are acquired through contact with rocks such as limestone and dolomite which contain calcium and ma ...

Magic Salt, Melting Snow

Determine which salt, magic salt or regular salt is most effective in melting snow? The student will acquire some basic and some practical information on the chemistry and physics of water, its meltin ...

How to Keep Your Light Sticks Lit Up Longer

On a fall night, you’ve probably seen fireflies glowing in the bushes. Fireflies use chemiluminescence, a very efficient process that converts energy to light. Light sticks use a similar process. Do y ...

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