The Statue of Liberty is made out of copper and was once shiny and copper-colored. Over the years, the copper has gone through a process called oxidation, where it has changed into a new material.

All exciting matter and space are referred to as the (?) whats the missing word

Wavelength of a 17000Hz sound

Sharpening a pencil leaves behind pencil shavings. is sharpening a pencil a physical change or a chemical change

What MUST be true about an object's acceleration as it is traveling in the positive direction and slowing down? A) The object has no acceleration. B) Its negative acceleration is constant. C) Its acceleration is the same as its velocity.

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

What is the processing of information and other input into your memory called? A. Sensory representation B. Encoding C. Storage D. Conditioning

Scientific theories can change over time as new information is discovered if a scientififc theory changes does this mean that it was not a good theory to begin with?

In general, if the temperature of a chemical reaction is increased, the reaction rateA. IncreasesB. decreasesC. remains the sameD. Cannot be predicted

what is the hottest plant

Tina is waiting at the bus stop. She sees and hears an ambulance as it approaches and passes by her. Which two changes in the loudness of the sirens does Tina hear?