Which of the following is a physical change for the element lead?

Breaking water up by separating it into hydrogen and oxygen is an example of a ______.

Which state of matter has a fixed volume but no fixed shape?

“Testing your hypothesis” is part of the Scientific Method.

The temperature value for the freezing point is the same temperature value for the ______. For example, 0OC is the freezing point for water. 0OC is also the __________ for water.

Around 1774, who disproved the Phlogiston Theory in France, proving the existence of oxygen?

If you break matter down, it will be comprised of one or more of the ____.

Chemical elements like carbon, oxygen, and nitrogen are considered _____.

From the time period of 980-1037, who was the Persian (Iran) philosopher that wrote the book titled, al-Qanun which was considered the first pharmacy book?

_____________ describe how a substance interacts with other substance in a chemical reaction.