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Physical Science. Unit Overview: Chapter 7 – Types of Matter Lesson 1 – Properties of Matter Lesson 2 – Elements Lesson 3 – Classifying Elements Lesson 4 – Mixtures Lesson 5 - Compounds Chapter 8 – Changes in Matter Lesson 1 – Chemical Reactions Lesson 2 – Metals and Alloys
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Physical Science Unit Overview: Chapter 7 – Types of Matter Lesson 1 – Properties of Matter Lesson 2 – Elements Lesson 3 – Classifying Elements Lesson 4 – Mixtures Lesson 5 - Compounds Chapter 8 – Changes in Matter Lesson 1 – Chemical Reactions Lesson 2 – Metals and Alloys Lesson 3 – Salts
Classifying Elements Lesson Overview: 1) What do we already know? 2) Vocabulary 3) Drawings 4) Main Ideas 5) Review Types of Matter: Lesson 2
Page 1 Classifying Elements What do we already know?BrainPOP Teaser What is an element? a) It is the simplest form of matter and makes up all other substances. 2) What are atoms? a) The smallest particle of matter that has the properties of elements.
Page 2 Classifying Elements: Vocabulary Part I 1) Protons: are located in the nucleus of an atom. 2) Neutrons: are located in the nucleus of an atom. 3) Electrons: are located outside of the nucleus and orbit around the nucleus. 4) Atomic Number: is the number of protons in an atom. Every element has a different atomic number. 5) Atomic Weight: Is the measure of its mass that is calculated by adding the number of protons and neutrons together. 6) Molecule: is a particle that contains more than one atom joined together. Types of Matter: Lesson 2
Page 3 Classifying Elements: Vocabulary Part II(pg. 354-355) 7) Metal: is a substance/element that conducts heat and electricity. 8) Nonmetal: is a substance/element that is a poor conductor of heat and electricity. 9) Noble gases: are nonmetallic elements that are inert. They are helium, neon, argon, krypton, xenon and radon. 10) Metalloids: are a very small group of elements that have properties of both metals and nonmetals. . 11) Periodic Table: arranges all known elements into rows and columns of increasing atomic number. Types of Matter: Lesson 2
Classifying Elements(pg. 366-367) Page 4 Types of Matter: Lesson 2
Page 5 Classifying Elements: Drawings(pg. 368) Types of Matter: Lesson 2
Page 6 Classifying Elements: Main Ideas Classify characteristics of elements (pg. 366-367) Types of Matter: Lesson 2
Page 7 Classifying Elements: Main Ideas 2) How is the periodic table organized? (pg. 368-369) Organized all known elements in rows and columns in increasing atomic numbers. Different colors represent the different groups of elements (nonmetals, metals, & metalloids) Columns are called families or groups Rows are called periods Each box represents an element & it includes the name, symbol and atomic number. Types of Matter: Lesson 2
Page 9 Elements: Review Summarize the main ideas Click here to watch Think, Talk, and Write Types of Matter: Lesson 2