8 th Grade Science

1. 8th Grade Science Do Now Monday, February 4, 2013 • Tape “Do Now” page to page 39. • Copy and answer on this week’s Do Now Page: • 1. What are the physical properties of the metals on the periodic table? • 2. How do we use properties to organize the periodic table?

2. 8th Grade Science Today’s Schedule Monday, February 4, 2013 Do Now Quiz Which does not belong? Essential Question Vocabulary How do we describe and classify matter? What happens to atoms in a chemical reaction? Chemical formula Chemical equation Subscripts Reactants Products Coefficients Chemical reaction

3. 8th Grade Science Today we will… Monday, February 4, 2013 8.5(E)  investigate how evidence of chemical reactions indicate that new substances with different properties are formed Objective: Show mastery of chemical and physical changes and chemical and physical properties.

4. 8th Grade Science Review for Quiz Monday, February 4, 2013 • Look for indicators that a chemical change is happening in this video.

5. 8th Grade Science Quiz 8.5(B and E) Monday, February 4, 2013 Read and re-read the passage. Underline the question Bubble important words Identify the key idea, write it in margin. Eliminate the wrong answers Select the correct answer ✓ predator/prey interactions

6. 8th Grade Science Chemical Formula Intro Monday, February 4, 2013 • Copy the following onto page 40 of your INB. • 1. silver, nickel, cobalt, iron • 2. neon, nitrogen, helium, argon • 3. group, period , seven, horizontal row • 4. vertical column, group, period, valence electrons • 5. sodium chloride, carbon dioxide, lead, lithium sulfide • 6. Cu, Ag, H2O, Au • 7. CH4, NaOH, C6H6, C6H12O6 • 2. Circle the term that does not belong and explain why.

7. 8th Grade Science Do Now Tuesday, February 5, 2013 • Copy and answer on your “Do Now” page: • 1. Name 3 substances you know of that have more than 2 elements. • 2. Describe what they are used for. • Example: Water is made of hydrogen and oxygen, used to sustain life.

8. 8th Grade Science Today’s Schedule Tuesday, February 5, 2013 Do Now Card Sort Video Individual Practice Essential Question Vocabulary How do we describe and classify matter? What happens to atoms in a chemical reaction? Chemical formula Chemical equation Subscripts Reactants Products Coefficients Chemical reaction

9. 8th Grade Science Today we will… Tuesday, February 5, 2013 8.5(D)  recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts; Objectives: Students will be able to identify chemical formulas to pictorial images of molecules.

10. 8th Grade Science Card Sort Tuesday, February 5, 2013 • Tape the half sheet to page of your notebook. • Take-out the cards from the bag. • Match the card to the correct Chemical Formula. • Check your answers with the key. • Draw the picture of the molecule next to the chemical formula. • Replace cards back in the bag.

11. 8th Grade Science Video & Individual Practice Tuesday, February 5, 2013 • 1. Watch this video. • 2. Complete Individual Practice.

12. 8th Grade Science Do Now Wed./Thurs, February 6 & 7, 2013 • On your “Do Now” page: • Draw the molecules below. • List the number of elements in the molecules. • List the number of atoms. Carbon Dioxide, CO2 Oxygen, O2 Water, H2O

13. 8th Grade Science Today’s Schedule Wed./Thurs, Feb. 6 & 7, 2013 Do Now Puzzle Pieces Reading and Questions Individual Practice Essential Question Vocabulary How do we describe and classify matter? What happens to atoms in a chemical reaction? Chemical formula Chemical equation Subscripts Reactants Products Coefficients Chemical reaction

14. 8th Grade Science Today we will… Wed./Thurs, February 6 &7, 2013 8.5(D)  recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts; Objectives: Describe the difference between an atom, element, compound, and molecule

15. 8th Grade Science Puzzle Molecules Wed./Thurs, February 6 & 7, 2013 • Cutout all of your puzzle pieces. • Match them to the elements they go with. • Check your answers. • Tape/Glue them into your notebook. • ***Use the class-set reading at your table as a guide***

16. 8th Grade Science Reading and Questions Wed./Thurs, February 6 & 7, 2013 • Tape Reading to page . • Copy and Answer these questions on page . • How can all compounds be molecules but not all molecules be compounds? • 2. What do we call the abbreviation for an element? • 3. How are symbols written? • 4. What do we call the abbreviation for the name of a compound? • 5. What is the importance of a subscript in a formula?

17. 8th Grade Science Individual Practice Wed./Thurs, February 6 & 7, 2013 Complete the individual practice RM 37 & 45.

18. 8th Grade Science Do Now Friday, February 8, 2013 • List how many elements and atoms are in the following molecules. • Write “compound” underneath the molecules that are compounds.

19. 8th Grade Science Today’s Schedule Friday, February 8, 2013 Do Now Puzzle Pieces Reading and Questions Individual Practice Essential Question Vocabulary How do we describe and classify matter? What happens to atoms in a chemical reaction? Chemical formula Chemical equation Subscripts Reactants Products Coefficients Chemical reaction

20. 8th Grade Science Today we will… Friday, February 8, 2013 • 8.5(D)  recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts; • Objectives: • Review terms the terms chemical formula, molecule, and compound. • Practice identifying the number of atoms and elements in chemical formulas.

21. 8th Grade Science Review Individual Practices Friday, February 8, 2013 • Review Practices from Tuesday and Wednesday

22. 8th Grade Science Notes Friday, February 8, 2013 Parts of a Chemical Formula:

23. 8th Grade Science Dry Erase Board Practice Friday, February 8, 2013 C6H12O6 • How many elements are in this molecule? • How many carbon atoms are there? • How many hydrogen atoms are there? • How many oxygen atoms are there? • How many total atoms are there?

24. 8th Grade Science Dry Erase Board Practice Friday, February 8, 2013 6CaCl • How many molecules are there? • How many elements are in this molecule? • Name the two elements in this molecule • How many calcium atoms are there? • How many chlorine atoms are there?

25. 8th Grade Science Dry Erase Board Practice Friday, February 8, 2013 3H2SO4 • How many molecules are there? • How many elements are in this molecule? • Name the three elements in this molecule • How many sulfur atoms are there? • How many oxygen atoms are there? • How many hydrogen atoms are there?

26. The Unit Organizer NAME 4 BIGGER PICTURE DATE 3 1 /Experience NEXT UNIT 2 CURRENT UNIT LAST UNIT /Experience 8 UNIT SCHEDULE is about... UNIT MAP 5 6 UNIT QUESTIONS RELATIONSHIPS UNIT 7 Recognizing patterns help predict what will happen next and what can change overtime. Energy can change forms and transfer from one object to another Chemistry Force & Motion Characteristics of the Universe understanding that all matter in the universe is made up of elements which are described by and illustrated by which combine chemically by recognizing through investigations made up of IMPORTANT TERMS: atom nucleus valence electron Law of Conservation of Mass proton physical vs chemical change physical vs chemical property coefficient neutron atomic number reactant subscript electron product reactivity electron cloud: shell, orbital, energy level • What isn’t chemistry? • Why should I care about physical and chemical changes in my everyday life? • Where does matter come from and where does it go to if it can’t be created or destroyed? • How would scientists predict the properties of a new element & where would it fit on the Periodic Table? • What do I have in common with pencil graphite and diamonds? • What would the biosphere be like without the 8 common elements in contains? Demonstrating Investigating Describing Interpreting Recognizing