Elements, Compounds & Mixtures spring 2014. Day 3

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Elements, Compounds & Mixtures spring 2014. Day 3

  1. 1. You Will Need: 1.Pencil, Colored pencils 2.Elements, Compounds and Mixtures – Pages 1-4
  2. 2. 1. STAR CARDS (60 pts.) – Review, Practice and Study for STAR test – First week in May. Each week, 30 cards – download .pdf file, cut and paste or copy Study - Quiz on FRIDAY (20pts)
  3. 3. 1. What are pure substances made up of one type of atom called? 2. What determines whether we have an element, compound or mixture? 3. The smallest particle to retain the identity of any substance is a(n) ______. 4. Atoms can only be separated into their subatomic particles only by ? 5. When you have two or more different atoms bonded together, we call this a ______________. 6. Elements, Compounds and Mixtures…which are PURE? Why?
  4. 4. 7. The smallest particle to retain the identity of a compound is a ___________. 8. Two or more substances physically blended make up a(n) ____________. 9. Why are mixtures “NOT PURE”. 10.List any three ways mixtures can be separated? 11.Elements, Compounds and Mixtures…which have a SET RATIO? 12.A taco is considered a heterogeneous mixture….Why?
  5. 5. 13.Give an example of a homogeneous mixture. 14.Why is Iced Tea a homogeneous mixture?
  6. 6. 15.
  7. 7. Compound
  8. 8. 16.
  9. 9. Mixture
  10. 10. 17.
  11. 11. 17. Element
  12. 12. 18. A substance composed of particles evenly distributed to look like one substance is homogeneous. This substance is also known as a ___________. 19. 72% of the air we breathe is Nitrogen. Is Nitrogen the Solute or the Solvent? Why? 20.In a solution of lemonade powder and water what is the solute? Why? 21.In a mixture of 3% NH3 and 97% H20, which is the Solute and which is the Solvent in this solution?
  13. 13. 22. What two forces/factors will change the saturation level of substances? 23.What type of solution will not be able to dissolve all of a substance and have grains fall to the bottom?
  14. 14. 1. We should know the definition of Element, Compounds & Mixtures 2. What do their particles look like?
  15. 15. 1. Complete Pages 1-4 on worksheets 2. Review and Reflect on pages 1 & 2 ONLY 3. STAR CARDS #1-30 4. Rags to Riches – Quia Game hyperlinked on LearningPoint.
  16. 16. 1. You should have completed pgs. 1- 4, at minimum, of Elements, Compounds and Mixtures – Thursday Due Date 2. STAR CARDS #1-30 Due on Friday – with QUIZ #1 to follow.

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