Springlake-Earth HS Science Update

Ge-Germanium, Ni-Nickel, U-Uranium, S-Sulfur = GeNiUS.

8th Grade

In 8th grade science, students have been working on breaking down chemical formulas and exploring evidences of chemical reactions. 8th grade students have completed a chemical reactions lab where they have examined the major evidences of chemical reactions. Students were able to witness color changes, gas production, light production (this was super cool), temperature changes (endothermic and exothermic), and precipitates forming (solids). This has been such a fun unit to cover with the students.

In our upcoming unit, students are going to dive into Newton's Laws of Motion. Students will explore Inertia, Force, Mass, Acceleration and Action / Reaction. This is a very hands on unit so students need to buckle up and hang on!

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In IP&C students have been covering several topics this past 6 weeks. We first started this 6 weeks with the applications of nuclear chemistry. Students were able to explore the positive and negative impacts nuclear chemistry has on society. Students researched all applications of nuclear chemistry and then presented the information to their classmates. Some chose to present over nuclear medicine and how it is helping to save lives in the medical field. Others chose topics, such as, nuclear power, Hiroshima, Three Mile Island or Chernobyl.

After we completed applications of nuclear chemistry, we dove into the properties of water. We discovered that water is the universal solvent and that a water molecule is a polar molecule. This means the molecule has a slight negative charge at one pole and a slight positive charge at the other pole. This special property of water lets substances, such as sugar and salt to dissolve in it.

In the upcoming six weeks, students are going to start researching chemical reactions and the end products that are a result of these reactions.

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Biology has been busy working and learning things about cells this 6 weeks. Students have learned cellulary makeup, as well as, how DNA controls cellular activities through transcription and translation. During this past 6 weeks students have also learned how DNA makes copies of itself.

In studying cells students have identified the differences between prokaryotic cells and eukaryotic cells. Students are also able to identify the molecules necessary to keep cell alive and working efficiently, aka homeostasis, and the processes of photosynthesis and cellular respiration.

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This has been such an awesome 6 weeks for our chemistry students. We started off with learning about the electromagnetic spectrum and the unique emission spectra of different elements.

Next, students learned how to calculate the average atomic mass of the different isotopes that belong to a specific element. This calculation process is now a walk in the park. They have the formula down and can calculate any average atomic mass presented to them.

During this 6 weeks, chemistry and biology students got to travel to the Daugherty ranch and witness research being conducted on the mule deer population.

We are finishing this 6 weeks will principal energy levels and sublevels. Students have learned how to write electron configuration unabbreviated and abbreviated. An example of this is the electron configuration for chlorine: Cl 1s2 2s2 2p6 3s2 3p5 or [Ne] 3s2 3p5. Students have also learned how to complete orbital filling diagrams for different elements.

Next 6 weeks are going to study chemical bonding, chemical formulas, chemical equations, reactions and the mole concept. This is going to be a busy six weeks, but it will be a lot of fun.

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Principles of Technology

This past 6 weeks we have been exploring Kinematics. Kinematics is motion in one dimension and motion in two dimensions.

For the unit on kinematics we constructed a project of building a catapult. These catapults will launch marshmallows. In launching marshmallows we are attempting to have catapults that launch with both accuracy and long distance. With each launch, we will measure the distance of each launched marshmallow and then calculate what speed each marshmallows was launched at.

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One School, One Purpose

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