... I am saving this newsletter on is an electromagnet. So, what is an electromagnet? Well, an electromagnet is a magnet that is made by using electricity. They are made when electrical wiring is wrapped around a piece of metal. This electricity, magnetizes the metal and creates a magnetic field, called an electromagnetic field, that can be harnessed for many uses. These fields can be used to ... ...
... woul dhave to hand write this essay. people can sit down and watch television or browse on the internet if they would like. if he didnt do his experiments with electricity people today would not have air conditioning to stay cool in the summer. so in other words benjamin franklin is an icon to america and we should be grateful for ... ...
... plants cannot pass back out and get trapped inside, keeping the glasshouse warm, even over several days without sun. The temperature in a glasshouse can be controlled by adding artificial heat, electricity, hot water pipes, special paraffin stoves or solar heating may be used. Watering can be done by hand or with special irrigation systems. Farmers use glasshouses to protect plants from ... ...
