Answer the questions in your Study Guide about the example of Indirect Evidence.Ĩ A model can be changed as new information is collected.Ĭan a Model be Changed? A model can be changed as new information is collected. Just like pieces being added to a puzzle, each new bit of information gives us a better understanding of atoms.Ĭlick here to visit a lab where actual scientific research on atoms is conducted. ![]() ![]() The Atomic - Molecular Theory of Matter is based upon a vast amount of indirect evidence gathered over a long period of time. (Artist drawing)Ħ Indirect Evidence Indirect Evidence is evidence gathered without being able to directly observe the object. The model above represents the most modern version of the atom. Even though we do not know what an atom looks like, scientific models must be based on evidence. It shows the parts and structure of the atom. Is this really an Atom? Many of the models that you have seen may look like the one below. Does it actually look like a young woman?ĥ The model above represents the most modern version of the atom. This is a painting of a young woman by Pablo Picasso. A model is an attempt to use familiar ideas to describe unfamiliar things in a visual way. Scientific models may not always look like the actual object. Each colored ball represents an atom of a different element. This is a model of a very complex molecule made of many different kinds of atoms. Since the atom is so small, scientists must gather Indirect Evidence to develop their models. ![]() Even with the world’s best microscopes we cannot clearly see the structure or behavior of the atom.ģ Scientific Models Scientists create models to help them to visualize complex properties, structures or behaviors. This theory is really thousands of individual theories that provide evidence for the whole theory.Ģ Matter Since the atom is too small to be seen even with the most powerful microscopes, scientists rely upon models to help us to understand the atom. These atoms can join together to form molecules. The Atomic - Molecular Theory of Matter states that all matter is composed of small, fast moving particles called atoms. Presentation on theme: "Atomic - Molecular Theory of Matter"- Presentation transcript:
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