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#7. Does increasing the weight of the film can affect the buoyant force?

Science Notebook Layout DON’T COPY UNDERLINED TEXT Mrs. Aguirre’s Webpage: http://www.quia.com/profiles/caguirre. #7. Does increasing the weight of the film can affect the buoyant force? Hypothesis: When you add pennies to the can, the buoyant force will ________ because _________.

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#7. Does increasing the weight of the film can affect the buoyant force?

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  1. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre • #7. Does increasing the weight of the film can affect the buoyant force? • Hypothesis: When you add pennies to the can, the buoyant force will ________ because _________. • Test it out: • Weight of heavier film can in air: _____ N • Weight of heavier film can under water: _____N • Buoyant force (subtract!!!) : _____N • Compare the buoyant forces (today’s vs yesterday’s) #8. How does the buoyant force compare to the weight of the displaced water? • Collect displaced water from displacement tank • Weigh it on the scale using NEWTONS!!! 46 47

  2. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre What’s Inside an Atom? • BLUE = NEUTRONS • RED = PROTONS • YELLOW = ELECTRONS A) # below symbol = atomic number Atomic # = # of protons(reds) B. # above the symbol = mass number Mass number =particles inside the nucleus (reds and blues) C. Sometimes there is more than one mass number- Atoms can have different numbers of neutrons (blues) These are called isotopes. D) What about yellows? Yellow = electrons Electrons equal protons Yellow = Red Draw model of Lithium atom here - - + - + + - + 48 49

  3. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre • The atom game explained. • DON’T COPY: • •Write a list of steps that explains how to check to see if the number of PROTONS, NEUTRONS AND ELECTRONS IS CORRECT. • •At least 3 numbered steps. • •COMPLETE SENTENCES. • •Include a periodic table square to use to illustrate your steps. Label “Atomic Number” and “Mass number” 50 51

  4. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Findings Evidence • Small positively charged nucleus with most of the atom’s mass Most of the atom is empty space PROBLEM: What is the Structure of the Inside of an atom? Watch video segment- write 3 notes • • • HYPOTHESIS: Rutherford expected the positively charged alpha particles to pass through the gold atom What does the “Hit the Penny” model mean? Why did so few alpha particles hit the nucleus? Why did they bounce off? (2 reasons) Why did so many alpha particles miss the nucleus? Because the atom is mostly…. 52 53

  5. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre 54 55

  6. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Study Guide Periodic Table Video Quiz Atomic _______ refers to the arrangement and number of smaller particles in an atom. The ____________ is the center or core of an atom. ___________ are positively charges particles locates in the nucleus. Neutrons have a ________ charge. ___________ are atoms of the same element with different numbers of neutrons. ___________ are subatomic particles with a hengative charge. The sum weight of protons and neutrons in an atom is its atomic ________. Elements in the Periodic Table are ordered according to their atomic ____________. __________ are the most common elements on the Periodic Table. Elements in the family called the alkaline earth metals are very ____________ 56 57

  7. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Periodic Table Building (Lab Manual pages 31-32) What we noticed about the periodic tables……. 1. 2. 3. 4. List at least three things Compare the table in your notebook to the one on the table Be prepared to share with the class Tell me everything you can about this new element discovered at Cal Berkeley this weekend. Draw picture(s)!! Key words: Element, isotopes, protons, electrons, neutrons, atomic structure, family, energy levels, atomic number, atomic mass, etc. 58 59

  8. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre D. HALOGENS E. INERT GASES F. TRANSITION METALS G. ALKALI METALS H. GROUP 2 METALS I. CARBON FAMILY (P149) METALS NON-METALS METALLOIDS 60 61

  9. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre 62 63

  10. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Page 63: page for absent students Non-metals Metals graphite carbon all the rest 62 63

  11. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Periods and Energy Levels Water / H2O……. Is a COMPOUND: Pure substance made of more than 1 type of atom Is a MOLECULE: Group of atoms bonded together Has 2 CHEMICAL BONDs: holds atoms together Has a COVALENT BOND: Electrons are shared. • Each horizontal row is called a period. • Periods tell us where electrons go. • Elements in the 1st row have 1 energy level. • Elements in the 2nd row have 2 energy levels. • Etc…… • Each vertical column is a group or family. • What do they have in common? 64 65

  12. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Physical and Chemical Properties In each box, take notes from the text- and also from your notebook pages. For each group or family, find at least 2 properties for each- 2 physical ones and 2 chemical ones This is the main test review for tomorrow 67

  13. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre 68 69

  14. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre 70 71

  15. Science Notebook Layout DON’T COPY UNDERLINED TEXTMrs. Aguirre’s Webpage:http://www.quia.com/profiles/caguirre Isotopes Assessment Draw each of the 3 isotopes for oxygen:

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