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Do you like bananas?
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Unit 6: Integrated chemistry unit Unit Inquiry: Humans use a variety of systems to interpret and interact with the world AOI: Natural world, Human societies and Unit Questions: What purposes do systems serve? How do systems affect our daily lives? Under what circumstances can systems be modified? How can you make a lasting change in an existing system? How do people react to changing circumstances?
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Lesson #1: Elements and Atomic structure Objective: 1.Identify the first 20 elements 2.Draw the atomic structure
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What are all the materials in the world made from? 1. Everything else is made from different combinations of elements. 2. The elements are the basic building blocks of all the materials in the world. 3. Elements are made from nothing else. 7.1 What are materials made of?
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Copy and complete the following table in your notebook: Periodic #ElementSymbolStateUses 1HydrogenHGasWater, food 2HeliumHeGasBalloons 3LithiumLi 4 Until 20 Use the jars with the elements to help you
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What is the difference between an element, compound and a mixture? Discuss with your neighbours and write your answer in your notebook. Balloon Activity: 1.Put the balloon over the arm on the Erlenmeyer flask 2.Place a very small amount of manganese in the Erlenmeyer flask. 3.Add 10 ml of hydrogen peroxide and immediately put the bung on the flask. 4.Record your observations
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5.1 Elements & compounds quiz True or false? Each element is made up of its own type of atom. True
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5.1 Elements & compounds quiz True or false? Scientists often split elements into simpler substances. False
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5.1 Elements & compounds quiz True or false? Compounds contain atoms of two or more elements joined together. True
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5.1 Elements & compounds quiz True or false? The properties of a compound are similar to properties of the elements in them. False
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5.1 Elements & compounds quiz Which substance is a compound? (a) Carbon dioxide (b) Silver (c) Oxygen (a) Carbon dioxide
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5.1 Elements & compounds quiz Which substance is an element? (a) Water (b) Gold (c) Sodium chloride (b) Gold
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5.1 Elements & compounds quiz Match the names to the symbols: Carbon Calcium Oxygen Ca O C Carbon C Calcium Ca Oxygen O
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5.1 Elements & compounds quiz Match the names to the symbols: Hydrogen He H Iron Fe Helium I Iodine Hydrogen H Iron Fe He Helium I Iodine
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How large is an atom? A piece of paper in half about 90 times. This picture represents what the atom might look like. Copyright © 2010 Ryan P. Murphy
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Homework: Using a Styrofoam sphere (small) create the image of an atom. Cut out a quarter of the sphere, draw the nucleus including protons and neutrons. We will place the electrons next class.
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