SCIENCE4-FIRST QA-REVIEWER-1

1. Who is the American inventor behind the invention of the phonograph?

The creation of something that did not exist previously

Who invented the light bulb, phonograph, and projector?

She invented the bamboo incubator

Invention that has greatly changed the way people communicate with each other

The exchange of various forms of meaning, such as ideas and information, through a common system of symbols

1. This refers to complete physical, mental, and social well

being, not merely the absence of disease or infirmity

The ease with which a material can catch fire and burn

1. When iron reacts with oxygen and moisture in the air, what does it form?

What happens to a banana peel when it is discarded in a natural environment?