What is a chemical cell and what is its purpose?
Q: What is a chemical cell and what is its purpose?
A: A chemical cell is a device that converts chemical energy into electrical energy. Its purpose is to produce electric current by means of a chemical reaction.
Q: What are most batteries?
A: Most batteries are chemical cells.
Q: What happens inside a battery that causes electric current to flow?
A: A chemical reaction takes place inside the battery that causes electric current to flow.
Q: How many types of batteries are there and what are they?
A: There are two main types of batteries - those that are rechargeable and those that are not.
Q: What happens when a non-rechargeable battery is used up?
A: A non-rechargeable battery will give electricity until the chemicals in it are used up. Then it is no longer useful and can be thrown away.
Q: Who invented rechargeable batteries and when?
A: Rechargeable batteries were invented by Gaston Plante, a French scientist, in 1859.
Q: Can batteries be of different sizes and what is an example of a device that requires a large battery?
A: Yes, batteries can come in many shapes and sizes. An example of a device that requires a large battery is a submarine.
