1. 8 th Grade Science February 11, 2014 Do Now Directions: Look at the words on the screen. Predict what we will be studying about today and explain why you believe this. We will be studying ___________, because… Proton positive mass electrical charge neutron Charge electron neutral Nucleus identity electron cloud

2. 8 th Grade Science Today’s Schedule 1. Do-Now 2.Video and notes on Atomic Structure 3. Atomic Structure practice 4.Dry erase board practice Dark Matter 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

3. 8 th Grade Science February 11, 2014 02/11/14 Essential Questions: How can the identity of an element be determined? How can you describe the structure of atoms? QuestionsNotes Summary:

4. 8 th Grade Science http://www.youtube.com/watch?v=h6LPAwAmnCQ http://youtu.be/0bAYqluRy2Ihttp://youtu.be/0bAYqluRy2I animation of atom and moving electrons. Chemistry Video

5. 8 th Grade Science Independent Practice

6. 8 th Grade Science Atomic Structure Letter S represents the _____.

7. 8 th Grade Science Atomic Structure Letter T represents the _____.

8. 8 th Grade Science Atomic Structure Letter Q represents the _____.

9. 8 th Grade Science Atomic Structure Letter R represents the _____.

10. 8 th Grade Science Atomic Structure You know the identity of an element by counting the number of ____.

11. 8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 1 H 1.008 Hydrogen

12. 8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 8 O 15.999 Oxygen

13. 8 th Grade Science Atomic Structure How many protons? Electrons? Neutrons? 11 Na 22.999 Sodium

14. 8 th Grade Science Atomic Structure What is the identity of this element?

15. 8 th Grade Science Atomic Structure What is the identity of this element?

16. 8 th Grade Science Atomic Structure How many neutrons in an atom of Fluorine?

17. 8 th Grade Science Atomic Structure How many neutrons in an atom of Boron?

18. 8 th Grade Science Atomic Structure How many neutrons in an atom of Magnesium?

19. 8 th Grade Science Atomic Structure Which element has 33 protons?

20. 8 th Grade Science Atomic Structure Which element has 79 protons?

21. 8 th Grade Science Atomic Structure Which element has 82 protons?

22. 8 th Grade Science February 11, 2014 Exit Ticket Directions: A new student missed the unit on atomic structure. Write a letter to them, summarizing the main points from today’s lesson. Proton positive mass electrical charge neutron Charge electron neutral Nucleus identity electron cloud

23. 8 th Grade Science Today’s Schedule 1. Do-Now 2.Video and notes on Atomic Structure 3. Atomic Structure practice 4.Dry erase board practice Dark Matter Objectives: How did we… 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