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Warm ups

Warm ups. 1/8/14. Label each piece of safety equipment and explain what it is used for. 1/9/14. Label each safety symbol. 1/10/14. Label each safety symbol. 1/13/14. Label each safety symbol. 1/14/14. How do you properly carry a microscope?

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Warm ups

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  1. Warm ups

  2. 1/8/14 • Label each piece of safety equipment and explain what it is used for.

  3. 1/9/14 • Label each safety symbol

  4. 1/10/14 • Label each safety symbol

  5. 1/13/14 • Label each safety symbol

  6. 1/14/14 • How do you properly carry a microscope? • What is the proper procedure to clean broken glass? • What 2 pieces of safety equipment are used to put out fires in the lab? • What is the correct way to inhale fumes in the lab?

  7. 1/15/14 • What is the building block of all matter? • What are the 3 subatomic particles? • What are their charges?

  8. 1/16/14 D

  9. 1/17/14 A • ______Bohr Model • ______Cloud Model • ______Universal Model B C

  10. 1/21/14 • How many electrons fit on each of the 3 first levels? • 1. • 2. • 3. • What is the mass of a proton and a neutron?

  11. 1/12/14 A B C D

  12. 1/23/14 • What does the atomic number mean? • What does the atomic mass mean?

  13. 1/24/14 • Draw a bohr model of Carbon • Draw a bohr model of hydrogen

  14. 1/27/14 • Draw a bohr model of nitrogen • Draw a bohr model of oxygen

  15. 1/28/14 • If an element has 12 electrons and its atomic mass is 25, how many neutrons and protons does it have, and what is its atomic number? • If an element has 20 neutrons and 11 electrons, what is its atomic mass and atomic number, and how many protons does it have?

  16. 1/29/2014 • What is the periodic table arranged by? • What increases as you move from left to right across the periodic table?

  17. 1/30/2014 • Which direction do periods run on the periodic table? • Which direction do groups run on the periodic table?

  18. 1/31/2014 • What do elements of the same group have in common? • What do elements of the same period have in common? • Which group is the most stable, and which is the most unstable.

  19. 2/3/2014 • What part of an atom determines an atoms electronegativity (its charge)? • What is the main reason atoms want to bond with each other? • How many valence electrons does each group have, groups:1,2, 13, 14, 15, 16, 17, 18.

  20. 2/4/2014 • LABEL EACH PART OF THE PERIODIC TABLE E D A C B

  21. 2/5/2014 • Who is considered the father of the periodic table? • What is the purpose of the zig-zag line on the periodic table?

  22. 2/6/2014 • Name the element? • 2 valence electrons and 4 energy levels • 5 valence electrons and 2 energy levels • 8 valence electrons and 6 energy levels

  23. 2/7/2014 • Name the atoms?

  24. 2/10/2014 • Name the atoms

  25. 2/11/2014 • Find the misfit? • He, Ne, Ar, Kr, F, Xe, Rn • Li, C, N, F, Br, Be, B, F • Be, Mg, Ca, Ba, K, Sr, Ra

  26. 2/12/2014 • City Girls Love Their Phones • What do the first letters stand for when determining if a chemical reaction has occurred?

  27. 2/12/2013 • How many molecules of water are present? • How many atoms of hydrogen are there? • How many atoms of Oxygen are there?

  28. 2/13/2013 • 4NaCl • How many molecules are there? • How many atoms of Sodium? • How many atoms of Chloride?

  29. 2/17/2014 • What is the entire equation below called? • What is the left side of the equation called? • What is the right side of the equation called?

  30. 2/18/2014 • What is the 6 in front of carbon dioxide known as? • What is the 2 behind carbon dioxide known as? • What does the arrow stand for?

  31. 2/19/2014 • _____ H2 + _____ O2 _____ H2O • Balance

  32. 2/20/2014 • _____ S8 + _____ O2 _____ SO3 • Balance

  33. 2/21/2014 • _____ Zn + _____ HCl _____ ZnCl2 + _____ H2 • Balance

  34. 2/24/2014 If all the reactants in a chemical reaction are completely used, which of the following statements accurately describes the relationship between the reactants and the products? • F The products must have a different physical state than the reactants. • G The total mass of the reactants must equal the total mass of the products. • H The reactants must contain more complex molecules than the products do. • J The density of the reactants must equal the density of the products. • What law do we need to know to answer the above question?

  35. 2/27/2014 • _____ Fe + _____ O2 _____ Fe2O3

  36. 3/3/2014 • _____ K + _____ Br2 _____ KBr

  37. 3/4/2014 • _____ P4 + _____ O2 _____ P2O5

  38. 3/5/2013 • _____ C7H6O2 + _____ O2 _____ CO2 + _____ H2O

  39. 3-4-13 • ________ is a distance traveled over time • ________ is a distance traveled over time in a direction • ________ is a change in velocity or direction

  40. 3-5-13 • Write down the equations for: • Speed • Velocity • Acceleration

  41. 3-6-13 • What is the average velocity for each of the 3 sections of this graph (A-B), (B-C), (C-D)? • Did this object ever accelerate?

  42. 3-7-13 • What is the average velocity of the below graph? • Did this object ever accelerate?

  43. 3-8-13 • If a car travels 400m in 20 seconds how fast is it going? • How much time will it take for a bug to travel 5 meters across the floor if it is traveling at 1 m/s? • How far can your little brother get if he can travel at 2.5 m/s and in 5 seconds you will discover that his squirt gun has run out of paint?

  44. 3/18 • What force pulls objects to the center of the earth? • If person on the left is pushing with 10N of force and person on right is pushing with 3N of force which direction and what force will the box move?

  45. 3/19 • What is the equation for Force? • What is the equation for Mass? • What is the equation for Acceleration • Fill in with F, M, A

  46. 3/20 • What are Newton’s 3 laws of motion? • 1. • 2. • 3. • What is the force of gravity?

  47. 3/21 • How much force is needed to accelerate a 66 kg skier at 2 m/sec2? • What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2?

  48. 3/22 • What is the acceleration of a 50 kg object pushed with a force of 500 newtons? • A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?

  49. 3/25 • What causes our day and night? • What causes our seasons? • What is the tilt of the earth (how many degrees)?

  50. 3/26 • Which direction does the earth revolve around the sun? • Name the eclipses?

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