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Lesson Starter Make a list of all the substances that you see around you in the room? (eg wood, metal, paper- etc)
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To be able to describe what an element is.
Learning Intention To be able to describe what an element is.
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Atoms Everything is made of atoms
Tiny particles we can’t see- pictured as circles Arranged into 3 states of matter Over 100,000,000 different substances in the world
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Are there similarities?
ADD FIRE! Are there similarities?
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Carbon Black Solid ELEMENT Carbon atoms
Bread, wood, plastic, fingernails, diamond
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Elements A pure substance One type of atom
Can’t be broken down into anything simpler Over 100- different types of atom 92 natural- 26 made by scientists
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Where do elements come from?
ELEMENTS ARE MADE IN THE STARS
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Water
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Is water an element? Water made of 2 elements Hydrogen and oxygen
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Introducing Elements (copy and complete)
There are over 1 million substances in the world; all of them made from tiny particles called _________. An _______ is a pure substance made from only one type of _____; they cannot be broken down into anything _______. There are over 100 _________; 92 naturally occurring and 26 made by scientists. _______ are made in the ________.
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Task Read page 88 in Starting Science 1 (purple book) and answer questions 1-6 in SENTENCES in your jotter.
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Homework Research and write a list of the elements that can be found in your body
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Is water an element? Explain your answer
Lesson Starter Is water an element? Explain your answer
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Bar Graph Name of Element Percentage (%) Oxygen 65 Carbon 18 Hydrogen
10 Nitrogen 3 Calcium 2 Others
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Learning Intention To be able to state the meaning of the word ore
To be able to explain how to extract metal from ores
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Elements can be split into two groups: METALS and NON METALS
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Metal Ores Naturally occurring compounds
Rocks or Minerals containing metals Found in earth’s crust
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Metal Ores (copy) Metal elements (such as iron and aluminium) are found combined with rocks and minerals in the EARTHS CRUST. These naturally occurring COMPOUNDS are called ORES. Compounds are 2 or more elements joined together. The element looks very different from the metal ore it is extracted from.
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Extracting metals from Ores
Mining Physically remove metal ores from ground Metal ore looks different from the pure metal element Bauxite – aluminium oxide (Al2O3) Haematite – iron oxide (Fe2O3) Malachite – copper carbonate (CuCO3)
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Lesson Starter (copy and complete) Metal Ores Metal ores are physically removed from the ground through the process of __________. The pure metal often looks very _________ from the metal ore.
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To safely extract metal elements from compounds
Learning Intention To safely extract metal elements from compounds
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Extracting Metal from Ores
Copper Oxide Tin oxide Aluminium oxide Heat with Carbon
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Task Write a list of all the equipment and chemicals you used for these experiments Write a list of detailed instructions on how to carry out the experiment Write a detailed explanation of how to ensure safety with the experiment Draw a labelled diagram of how to set the experiment up
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Lesson Starter What is an element? Where would we find metal ores?
What are metal ores? How do we get the metal element from an ore?
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To learn about the different PROPERTIES of elements
Learning Intention To learn about the different PROPERTIES of elements
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The elements Over 100 elements 84 metals 21 non metals
Each element is different- different properties
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Task Compare metals and non metals: Is it shiny?
Feel them- brittle or hard? Do they conduct electricity? Do they conduct heat?
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Properties of elements (copy)
Metals are ______ when polished, they are good conductors of _____ and _______. Non- metals are _______ conductors of head and electricity.
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States of Matter All metals solid at room temp except MERCURY
Non-metals= solid, liquid or gas Solid non-metals= brittle MERCURY and BROMINE are the only LIQUIDS
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Elements: States of Matter (copy)
All metals (except mercury) are solid at room temperature Non-metals can be solid, liquid or gas; solid non-metals tend to be brittle. The only liquids at room temperature are MERCURY and BROMINE.
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A list of all the elements
PERIODIC TABLE
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Lesson Starter Give 2 properties of a metal
Give 2 properties of a non metal Give 1 example of an element which is Solid at room temperature Liquid at room temperature Gas at room temperature
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To learn about the periodic table
Learning Intention To learn about the periodic table
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The periodic table
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