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Didactalia: material educativo > 12-14 anos

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Which Batteries Last Longest?

Batteries make our lives portable. In other words, we can take things such as mp3 players, cell phones, digital cameras, and game consoles around to anywhere in the world. There are many kinds of batt ...

UV Radiation Protection

This project will look at how fabrics block UV radiation by examining how fabric thickness, tightness of weave, weight, type of fiber, and color influence the transmission of UV radiation. The goal is ...

Making Pictures With Dots

Determine how dots are used to make pictures.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want to download the ...

Washing Detergent & Hydrophobic Soil

This project evaluates the ability of a biodegradeable dish detergent to increase the penetration of water in hydrophobic soils.The goal is to have the student formulate and test a hypothesis about th ...

Heat Traveling Through Solids

All are made up of atoms or molecules that are in constant motion. As a material is heated, the atomic or molecular vibrations become larger and the temperature increases. When sufficient heat is abs ...

Cool It!

Hipervinculo Física

Cool It!

This project will acquaint students with basic knowledge on conditions which determine the cooling and melting processes of water.It is an educational content by education.com.By clicking on the title ...

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 ...

The Effect of Humidity and Temperature on Percussive Pitch

The purpose of this project is to quantify the effect of weather- in this case temperature and humidity- on musical instruments. All musicians know that the environment affects the tone of the instrum ...

Salinity & Water Density

Cold water is denser than warm water. Water with a high salt concentration (salinity) is denser than water that has a lower salt concentration. Warmwater rises above densercolder water, and bodies of ...

Which Wheel Works Best? An Exploration Into Skateboarding

Determine if the material and the tensile strength of different types of skateboard wheels significantly affects the friction co-efficient- and therefore the velocity- of a skateboarder.It is an educa ...

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