8th Grade Science Do Now Complete Part 1 of your worksheet… February 13, 2014 8th Grade Science Today’s Schedule 1. Do-Now 2. Atomic Structure practice 3. Dry erase board practice Objectives: Today we will… 8.5 (A) describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity Dark Matter Independent Practice 8th Grade Science Atomic Structure Letter S represents the _____. 8th Grade Science Atomic Structure Letter T represents the _____. 8th Grade Science Atomic Structure Letter Q represents the _____. 8th Grade Science Atomic Structure Letter R represents the _____. 8th Grade Science Atomic Structure 8th Grade Science You know the identity of an element by counting the number of ____. 8th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 1 H 1.008 Hydrogen 8th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 8 O 15.999 Oxygen 8th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 11 Na 22.999 Sodium Atomic Structure What is the identity of this element? 8th Grade Science Atomic Structure What is the identity of this element? 8th Grade Science Atomic Structure How many neutrons in an atom of Fluorine? 8th Grade Science Atomic Structure How many neutrons in an atom of Boron? 8th Grade Science Atomic Structure How many neutrons in an atom of Magnesium? 8th Grade Science Atomic Structure Which element has 33 protons? 8th Grade Science Atomic Structure Which element has 79 protons? 8th Grade Science Atomic Structure Which element has 82 protons? 8th Grade Science 8th Grade Science Observing Physical Properties of Matter Metals Examples Physical Properties What I observed was that… The thing I found most interesting was… Nonmetals Metalloids 8th Grade Science .Page 11, right Key: 1. Make a color key -Metals -Metalloids -Non-Metals 2. Identify the location of the metals, nonmetals and metalloids on the Periodic . Table. 7. 4. 5. 2 3. Shade the correct location of each type of matter on the Periodic Table. 3. 6. Metals Nonmetals Metalloids 8th Grade Science Properties of Matter After you and your table have completed the card sort, fill in the vocabulary words in your chart. 8th Grade Science Properties of Matter After you and your table have completed the card sort, fill in the vocabulary words in your chart. 8th Grade Science February 11, 2014 Exit Ticket Directions: A new student missed the unit on matter. Write a letter to them, summarizing the main points from this week’s lessons. Proton positive electrical charge Charge Nucleus electron mass neutron neutral electron cloud Properties of matter metalloid metals nonmetals identity luster periodic table conductivity malleability