Students in Ms. Kristen Janko's class completed their catalase lab earlier this week. Students added hydrogen peroxide to raw and cooked foods and then made observations to conclude whether or not the foods contained functioning catalase enzymes.
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Students in Ms. OJ's SEI Biology class worked together to isolate DNA: Then, the students presented what they learned about biomolecules in posters:
The science department at EBHS is excited to welcome three new teachers this year: Helen Harlan, Taylor Schille and Julia Olszewski-Jubelirer. Ms. Harlan has four years of teaching experience and previously worked in product research and design. Ms. Schille is a Boston native who joins us fresh from a teacher residency program. Ms. OJ returns to us after having completed her student teaching right here at Eastie! Welcome Ms. Harlan, Ms. Schille and Ms. OJ!
From Ms. Stacy-Michelle Reid:
So, the finally tally: Of the seeds from space, 16 out of 29 seeds sprouted giving us a germination rate of 55%. The non-space seeds sprouted 16, or 17 as one was stolen :(, out of 24 - with a germination rate of 67%. Throughout the country, the germination rate was 75% for the non-space seeds, 75% for the seeds in "space conditions" and 74% for the space seeds. Clearly, I am not as good at planting stuff as other people are ;) From Ms. Stacy-Michelle Reid's AP Environmental Science class:
Boy are they sprouting! Packet D had 10 out of 24 (42%) germinated and packet F had 6 out of 24 (25%) germinated. We will submit info next week and find out which of them went to space. Our AP Environmental Science class will transplant them into small pots next week and they will be up for grabs! I'll send a message out when you can claim them.
Quick update from Ms. Stacy-Michelle Reid's AP Environmental Science class - we got our first sprouts today! One plant on the D side is up, and 3 others are just above the dirt on both sides.
The seeds were labeled D or F - one stayed on earth, and the other went on a journey to outer space! We don't know which is which, so we are not sure which one sprouted first. We will find out once we send our data to the Tomatosphere Project. In between the two sets of tomatoes, we've started some organic catnip as well. These will also be available for sharing once they are sprouted (a bunch of those have come up!). What? SPACE? Yup!
Today Eastie's AP Environmental Science class, led by Ms. Stacy-Michelle Reid, sowed a small set of tomato seeds. Half of the seeds are regular ol' Heinz Tomato seeds. The other half are Heinz Tomato seeds that have spent 5 weeks in outer space aboard the International Space Station! The goal is to see if outer space conditions (-80C and a vacuum) will change the germination rates. Currently, we don't know which set is actually from space! We will send out our findings once they germinate (in a week or so). After, we will have some baby tomato seedlings for any aspiring gardeners out there. How cool would that be? Tomatoes from space! We are so excited to have our new Vernier equipment purchased through MLSC funding!! This month in AP Bio we are focusing on how negative feedback regulates homeostasis. Currently, we are researching sugar regulation in the body and how artificial sweeteners are used as sugar substitutes because of their lower caloric content. This week in our class we are designing experiments to investigate how well yeast ferment artificial sweeteners compared to glucose and sucrose. Students are using their LabQuests and carbon dioxide probes to measure the rates of sugar fermentation in yeast. Stay tuned for results…
Eastie's very own Ms. Denise Puopolo was featured in TuftsNow! The article focuses on her advanced topics class. Check it out: http://now.tufts.edu/articles/high-school-brain-science Congratulations to Ms. Puopolo!
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