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recursos educativos > Ciencias Naturales

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Forensic Iodine Fuming

Iodine fuming is one of the oldest forensic techniques used to develop latent fingerprints but it is also one of the easiest. Students will learn how to fume iodine crystals that are readily available ...

Comparing Infrared and Air Temperature

Formulate and test a hypothesis about the relationship of infrared and air temperatures throughout the day.It is an educational content by clicking on the title of this resource, you ...

Does Land or Water Warm Faster?

Solar radiation warms both land surfaces and water on our planet. Land surfaces absorb much more solar radiation than water. This is due to the fact that most land surfaces are darker than water which ...

Life Under Water: Meeting basic needs

All living things have basic needs that must be met in order for them to live.The habitats for living things must provide those basic needs.If their habitat is not meeting their basic needs they will ...

The Leidenfrost Effect: Making Water Dance on the Surface of a Hot Pan

You know water boils at 100º C (212º F). But did you know that you can make water dance too? You can! It’s called the Leidenfrost Effect. By adding a water droplet to a pan of boiling water, you can s ...

Eating Light

Hipervinculo Biología

Eating Light

Science is always working on technological improvements that prolong the freshness of food. This simple experiment is designed to determine whether or not food freshness is affected by light. The resu ...

Examining Mass And Density Of Popped And Unpopped Popcorn

Mass is the amount of matter in an object. Oftentimes you can find the mass of any object using a pan balance and can be measured in grams or kilograms. Density is the amount of mass a substance has i ...

Water Content

Hipervinculo Biología

Water Content

We often wonder how much water is in the foods we eat. We're also fascinated to learn that we ourselves are made of more than 95% water. In this experiment we test the water content of substances foun ...

Soda Geyser

Hipervinculo Química

Soda Geyser

Carbon dioxide (CO2) is present in the air we breath and in the carbonated soda we drink. In soda, the carbon dioxide gas (CO2 ) has been dissolved, a process called carbonation that results in soda's ...

Do High-Wattage Microwaves Cook Faster?

Today, nearly all households own a microwave. They provide ease in cooking as speeds are usually really fast and it is convenient to just pop food inside such a small appliance and have it come out re ...

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