Do Now Please write HW in your agenda. Please update your table of contents. Please open to your HW on page 57 to have it checked. Discuss what new information.

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Presentation transcript:

Do Now Please write HW in your agenda. Please update your table of contents. Please open to your HW on page 57 to have it checked. Discuss what new information you learned while completing the homework. Page #TitleDate 56Bill Nye Atoms Guy11/13/14 57Classifying Matter HW11/14/ Elements, Compounds, Mixtures11/14/14

Classifying Matter Please take one of the slips of paper from the back lab table – you may only take one, and you may not switch for a different one once you have picked one up! Once you have a type of matter, please stand on the side of the room labeled with the type of matter you are.  Center  MixtureCompoundElement

Classifying Matter ElementsCompoundsMixtures Pure substances Composed of more than one substance

Classifying Matter ElementsCompoundsMixtures Pure substances Composed of more than one substance Made of only one type of atom Made of more than one type of atom Can have various compositions, even with the same types of substances

Classifying Matter ElementsCompoundsMixtures Pure substances Composed of more than one substance Made of only one type of atom Made of more than one type of atom Can have various compositions, even with the same types of substances Found on the periodic table Can be broken down by chemical means only Can be separated by physical means

Classifying Matter ElementsCompoundsMixtures Mercury Iron Copper Graphite Aluminum Foil Oxygen Sand Rust Baking Soda Carbon Dioxide Table Salt Pure Water Milk Wood Concrete Tap Water Salt Water Air Coffee Soil Jello Lucky Charms Salad Flour Butter Chex Mix

Substances A substance is matter with a composition that is always the same. The two types of pure substances are: o Elements o Compounds Any sample of a substance will always be made up of the same combination of atoms.

Elements An element is a substance that consists of just one type of atom. Because there are around 115 known elements, there are around 115 different types of atoms. Elements differ by the number of protons in the nucleus.

Elements Most elements exist as individual atoms. Some elements, such as oxygen, exist in groups, but still contain only one type of atom.

Compounds A compound is a substance that contains atoms of two or more different elements chemically bonded together. Carbon dioxide is a compound that consists of two elements, carbon and oxygen, that are chemically bonded together. A compound often has different properties from the individual elements that make it up.

Mixtures A mixture is a combination of two or more substances that are physically blended together. HeterogeneousHomogeneous Individual substances are not evenly mixed. Different samples can have different combos of the same substances. Example: Lucky Charms Individual substances are evenly mixed. Different samples will have the same combos of the same substances. Example: milk

Homework (p. 58) Create a drawing or a poem to help you remember the difference between elements, compounds, and mixtures. DrawingPoem Define element, compound, and mixture. Drawings should be large and colorful, illustrating the difference between the three types of matter. Any type of poem: acrostic, haiku, limerick, sonnet, free verse. Define element, compound, and mixture and provide examples. Must have at least two lines for each type of matter.

Exit Ticket Based on the information from today’s lesson, please write a question that you might see on a test and provide the answer Example (you may not use this question!): Q: Which types of matter are considered pure substances? A: Elements and compounds