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Seed Journal DAY 5 water tray??? (~ 3 minutes) Cover your tray or will dry out at window Observations (see): color, new features, growth Measurements: (mm, cm) stem leaf root
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AIM: How does photosynthesis occur? OBJ: Given notes, 3 experiments and activity sheet SWBAT explain the process of photosynthesis in plants with 70% accuracy. DN: Seed Journal (~ 3 minutes). HW check- Plant Kingdom Booklet College Style Lab (tomorrow) setup: Elodea CO2 Test, Guess Which Gas, Light & Starch Text, read p. 115-119 HW: Complete Photosynthesis & Light Booklet. Work on Plant Activity Sheet, Plant Exam Oct 16.
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Photosynthesis What is Photosynthesis video Plant Picture Photosynthesis chemical reaction: CO 2 + water ─ sunlight → sugar (food) + oxygen For Elodea CO 2 Test: Bromothymol Blue: Yellow indicates CO 2 present For Guess Which Gas? Test Baking Soda + Water → CO 2 gas + water For Light & Starch Experiment: Note: iodine (red brown) ─ starch present → black leaf iodine ─ NO starch → light leaf
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College Style Lab Report Title: Photosynthesis in Plants Problem: How does photosynthesis occur? Hypothesis: ??? Materials: ????? Procedure: Explain 3 experiments, namely 1. Elodea CO 2 Test (4 test tubes) 2. Guess Which Gas? (beaker, funnel, test tube) 3. Light & Starch Test (plant, letter “E”) Results: 1. What did you learn/discover? (Hint: used Bromothymol Blue for what? Blue color, Yellow color) (Hint: used Iodine for what? Dark color, Light color) 2. Answer all lab questions. Abstract Form: complete
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ABSTRACT FORM State three science concepts that you learned based on this lab: WRONG STATEMENTS 1. I learned about mass and how to calculate mass. 2. I learned about volume and how to find volume. 3. I learned about density and how to calculate density. CORRECT STATEMENTS: 1. I learned that mass is the amount of matter (atoms) in a substance and it is measured using a balance (unit: grams). 2. I learned that volume is the space an object occupies and for cubic/ rectangular solids we use a ruler where V = LxWxH; for irregular objects (cork, pebble) we use a graduated cylinder (water displacement method) to find volume. 3. I learned that density is the amount of mass divided by the amount of volume; it represents the internal atomic arrangement of atoms in a substance
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