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Wednesday, October 19, 2011 Bellringer
Please copy the “I can” statement from the board. Fill out your agenda. Remember CHAMPs expectations! Thank you! CHAMPs C: 0 (when the bell rings) H: quietly ask a neighbor; after bell, raise hand A: independent work M: 0 (after bell rings) P: silently completing bellringer
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Vocabulary Review Physical property: easily observed using 5 senses (ex. Extensive property: depends on how much Intensive property: does not depend on how much Chemical property: only observed during a chemical reaction Physical change: produces same stuff Chemical change: produces different different stuff
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Quiz Expectations C: 0 H: raise your hand A: independent work M: 0 P: doing your best to show me what you know!
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1. Burning a log in a fireplace
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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2. The red color of an apple
Physical property Chemical property Intensive property Extensive property Physical change Chemical change 18
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3. Melting an ice cube Physical property Chemical property
Intensive property Extensive property Physical change Chemical change
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4. Freezing point Physical property Chemical property
Intensive property Extensive property Physical change Chemical change
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5. The mass of a bucket of crayons
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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6. Chopping down a tree Physical property Chemical property
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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7. Bread rising Physical property Chemical property Intensive property
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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8. Volume of a pool Physical property Chemical property
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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9. A photograph’s reactivity to light
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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10. Ability of iron to rust Physical property Chemical property
20 Physical property Chemical property Intensive property Extensive property Physical change Chemical change
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Mini Experiment Decide who will be in charge of: paperwork, goggles, and materials. Observe the physical properties of all three substances. Tell the paperwork person what to include in your group’s chart. Goggles on! Experiment Notice what happens after you put the substances together. Record in your chart!
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Mini Experiment (continued)
5. Notice what happens after you put the substances together. Record in your chart! Clean up: Paperwork person- turn in chart and instructions to Ms. Edgington’s chair Goggles person- return all goggles to box and get one index card for each group member (in front of word wall) Materials person- give all containers to Ms. E
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Enders On your index card, write a scientific claim about chemical changes. Remember to consider chemical changes in general, not just this particular experiment. Try not to use the words “it” or “they”! Revisit your learning targets, and tell me one thing you know FOR SURE from today’s lesson.
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