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수업 경험
In this class students will investigate photosynthesis and why leaves change colors in autumn. The course is broken down into 3 sections (plus a bonus activity in case students get through the experiments quickly): 1) We will investigate leaf colors and how photosynthesis feeds a plant with a short presentation and an experiment which will show photosynthesis in action 2) A short presentation (with a microscope demonstration) will give the students a close look at plant cells and...
The learning objectives for this course include: 1) The process of photosynthesis 2) Plant cell organelles (specifically chloroplasts) 3) The process of leaf color change
I have taught STEM projects for 4 years to various ages ranging from 3 to 18 years old.
Experiment 1 (photosynthesis) Fresh spinach leaves Paper hole puncher 10 mL or larger plastic syringe (without needle) - you get one from your local pharmacy or online Baking soda solution (dissolve 1 tbsp baking soda powder in water) Liquid dish soap solution (dissolve 1 tsp or 5 mL of liquid soap in 1 cup or 250 mL of water) 3 clear plastic cups or beakers , you can pour the solutions into the cups ahead of time (make sure to label): - Cup 1: Detergent solution - Cup 2: Baking soda solution (treatment) - Cup 3: Water (control) - distilled works best Light source (a lamp) Experiment 2 (fall leaf chromatography) Leaves at different stages of turning colors (the more the better, but about 10 leaves for each color works best) Scissors Strong, sturdy drinking glasses (the same number as colors you have represented) Rubbing alcohol (isopropyl alcohol) Wooden spoon or another wooden utensil with a blunt end to crush the leaves Fork Very small bowls or tea light candle holders (same number as colors you have represented) Strong, white, heavyweight, ultra-absorbent paper towels Ruler Pencil Toothpicks Plate (or other surface to protect you work area from stains) Tall glass jars, such as mason jars (same number as the color you have represented) Clothespins or large paper clips (nine to twelve) Bonus Activity (if we have time): Blank paper Some leaves (up to 5) Some paint (any color) Paint brush
Although each experiment is made for students in this age range some students may need assistance with the photosynthesis experiment. Specifically, we will need to create a vacuum in the syringe by holding a finger over the end and pulling back on the plunger.
Hello! am a scientist and adventurer. I have a Masters degree in Animal Science with minors in Chemistry and Fish & Wildlife. I started my journey investigating sheep and goats, went on to study shrimp and zooplankton, and have many years of...
그룹 수업
₩100
클래스당1회 수업
90분
12 명의 학생이 수업을 완료함
실시간 화상 수업
Ages: 6-10
수업당 학습자 1-6 명