Mid summative 3 answers 2011
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Mr. and Mrs. Clatter have 5 children, half of which are boys. The document also contains riddles about how this is possible, what is something that is heavy forward but not backward, and what did you eat if you threw away the outside and cooked the inside of something and then ate the outside and threw away the inside. The document also contains brief explanations of solids, liquids, gases, matter, elements, chemical reactions, substances, using the periodic table, and gas expansion and contraction.
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- 1. Warm-up February 8 Mr. And Mrs. Clatter have 5 children. Half of them are boys. How is this possible? Forward I’m heavy, backward I’m not. What am I? You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?
- 2. Solid Has a definite volume and shape
- 3. Gas No volume No shape
- 4. Liquid Volume but no definite shape
- 5. Matter All three samples have MASS and take up SPACE
- 6. Elements & Matter Elements are the BUILDING BLOCKS of matter
- 7. Chemical Reaction NEW SUBSTANCE forms when there is a chemical reaction
- 8. Substances Paul’s system is wrong, all 6 should be substances because they are all unique forms of matter
- 9. Using Periodic Table Period 6 – 6 orbital rings Group 6 – 6 outer electrons Polonium – atomic number of 84 (number of protons)
- 10. Expansion/Contraction Syringe D had 20 particles (based on particles up to second line of A), drew closer together because gas was being compressed Syringe E had the same number of particles but particles were farther apart because volume of gas had expanded