WRITING EXPLORE 1 2 of 7
Describe an invention
Complete the texts with the correct words.
Batteries
A is a that converts stored energy into energy. We use batteries to provide power for electrical such as clocks, radios, and cameras. There are two of battery: disposable (you throw it away after using it) and rechargeable (you can charge it with more power and use it again).
Microscopes
A is an which makes very small things look larger so that a person can them in detail. Microscopes use light, electrons, or touch to magnify an object. They are an important piece of in many areas of study including medicine, biology, chemistry, and physics.