Astr/Aud/Audi/Bene/Bon/Bio

a science that deals with things that are alive, such as plants and animals.

A large room or building where people gather to hear a speech or watch a performance

A minor planet ; one of thousand s of small bodies that circle around the sun

a drug that is used to kill harmful bacteria and to cure infections.

A symbol that is used in printed text, sometimes to tell someone to read a note that can be found at the bottom of a page,

A group of people who gather together to listen to or watch something

Of or relating to the sound that is heard on a recording or broadcast

Not causing death or serious injury

Extremely large

Heard or able to be heard

Something good that is more than what is expected

A person who studies stars, planets, and other objects in soace

A short performance to show the talents of someone

a person who travels into outer space in a spacecraft

Producing good or helpful results or effects

capable of being slowly destroyed and broken down into very small parts by natural processes.

the story of a real person’s life written by another person

Kind and generous

a biological or chemical substance or situation that is dangerous to human beings and the environment