PowerPoint Presentation What is Heart Burn? Does it really âburnâ? Are there certain foods/ drinks that will make worse or better? What do you do if you have it? Solutions…
Chapter 9: Classification of Matter Mr. Skelton 9-1: Composition of Matter Matter is anything that has mass & takes up space. Matter can be subdivided into two groups.…
Elements Elements An ___________is a substance that contains only a singe type of ________. The __________of atoms does not matter as long as they are all the same type.…