Category Archives: Science 8

4 October Science 8 Beginning Chemical Reactions

Are you watching the moon and recording your observations? This is an important time to watch. In the next few sessions, we will embark on exploration of chemical reactions. These investigations will yield observations to add to your repertoire. Our … Continue reading

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27 Sept. Science 8 Atoms, Changes, Reading Reactions, etc., Conference, DSN

Today there are options for individual work–see below–options marked with ***: ***Continue watching this episode on Atoms. When you finish you may watch the episode on Change. You may get your own headphones or borrow them from Tech. Do this … Continue reading

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25 September Science 8 ATOMS from Philip Morrison’s The Ring of Truth: An Inquiry into How We Know What We Know

You may get your headphones. If you need to borrow headphones from Dr. F, be sure you return them carefully untangled. Read these obituaries of the author of the Ring of Truth: An Inquiry into How We Know What We … Continue reading

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21 September Science 8 Turn in Summative Reports on Ethanol and Water mixing; some astronomy observations

Today: Turn in summative assessment reports on mixing ethanol and water. If you do not have the report ready, immediately email your parents and me in the same message. Explain that you have not completed the assessment project by the … Continue reading

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19 Sept. Science 8 Work day on summative assesment report–Mixing Ethanol and Water

For those who are interested in some additional reading (these are very good) (available on amazon.in: Mass: The quest to understand matter from Greek atoms to quantum fields by Jim Baggott Reactions: The private life of atoms by Peter Atkins Chemistry: … Continue reading

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8 & 12 & 14 September Science 8 Summative Assessment Mixing Ethanol and Water

Today: Select some aspect of mixing ethanol and water that you want to investigate further. Keep track of your procedure(s) and results. This will be the second part of your report. Please clear any ideas with Dr. F regarding safety … Continue reading

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6 September Science 8 Histograms on saturated salt solution data; observations and theory chart; resources and references; silver crystals; summative puzzle

ON THE BACK OF EACH GRAPH PROVIDE YOUR INTERPRETATION OF THE RESULTS. MAKE SURE YOU HAVE A PHOTO OF YOUR GRAPH AND YOUR INTERPRETATION. PUT YOUR NAME AND PERIOD ON THE GRAPH. TURN IT IN. The intention was to keep … Continue reading

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4 September Science 8 Evidence for the existence of atoms? Dissolving, saturation, density, crystallization, chemical reactions, Brownian motion

Look at this picture of salt crystals that have come out of solution (that have “precipitated”). What do you notice? Look at the results of your set up to evaporate the water from the saturated salt solution. Also look at … Continue reading

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31 August Science 8 Finish saturated solutions of sugar and salt; Find densities of those solutions; Start crystal growth

Review the previous blogpost: http://rfrazier.msblogs.aes.ac.in/2017/08/29/29-august-2017-science-8-examine-density-of-liquids-data-make-saturated-solutions-of-sugar-and-salt-find-the-densities-of-the-saturated-solutions-saturated-solutions-and-crystallization/ Saturate 100 ml of water with table salt. Keep track of the amount of salt you add. When you have reached saturation pour off 50 ml of solution and find the mass of that 50 ml … Continue reading

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29 August 2017 Science 8 Examine density of liquids data; Make saturated solutions of sugar and salt; Find the densities of the saturated solutions; Saturated solutions and crystallization

See previous blogpost: Examine the density data:<https://docs.google.com/a/aes.ac.in/spreadsheets/d/1akCEeG7ARiZtiFkPaWL3SdewOI0vYHVNHvGVIeydZ84/edit?usp=sharing>. If you have not entered your data, you need to do so asap. You will need to let Dr. F know when you are ready so he can give you editing privileges. Making … Continue reading

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