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Solid forms of matter are composed of indivisible elements shaped like triangles. He believes triangles must be the correct form because they can join together to make very different kinds of shapes. -
He believed atoms were uniform, solid, hard, incompressible, and indestructible and that they moved in infinite numbers through empty space until stopped. -
He didn’t believe in the atomic theory and thought that the stuff on earth wasn’t all made from atoms except for Earth, Air, Fire, and water. He thought that all substances were made from small amounts of all four elements of matter. -
The alchemists believed that all metals were formed from two principles — mercury and sulfur.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.