Make your brain cells work.
The chemicals in the battery make electricity.
To prevent the battery from leaking
There is chemical paste between the carbon and the zinc case.
This is often covered with plastic or tin to prevent the battery from leaking.
Batteries are always too heavy to carry.
Battery cases can be made of zinc metal
Car batteries can be recharged
In batteries, electricity is made by chemicals.
Salt water is used in all modern batteries.
An adjective
A verb
An adverb
The paragraphs can be read in any order.
The text includes opinions.
The text is impersonal
The text is personal.
A verb
An adjective
An adverb