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Today we experienced weight as a force. We were able to measure weight in Newtons, or in grams and convert those to Newtons. We were also able to see how weight and inertia acted together when trying to move different items that were already at rest. You saw that the more mass there was in an item, the more force (Newtons) it took to move that item.
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Today we talked a little about Inertia… Please remember to bring your examples of inertia with you to class tomorrow 
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Today we were working on a lab about density. Density is the mass of an object divided by the volume of the object. One of the reason why density is so important in science is it allows us to talk about how objects will interact with each other. For example, if I pour shampoo and water into a bottle what happens? Well the shampoo and water will separate into layers based on their density! Just like The rubbing alcohol, water, salt water and shampoo we used today, or vinegar and oil salad dressing or Italian dressing!
Below are the density of some objects, can you tell which ones will float or sink in water?
Feather–0.0025 g/cm3
Brick–1.84 g/cm3
Oak Wood–0.6-0.9 g/cm3
Gold–19.30 g/cm3
Steel–7.80 g/cm3
Comment back the answers!
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The MyEgrades parent site has been deployed at
For parents to access their student’s grades, they will have to
register at parents.myegrades.com and then link their new account to
their student’s account.
After registering, the parent can add a student’s account to theirs by
clicking “Add Student” from the main screen. To add a student the
parent will have to know their student’s current username and password.
Parent’s can have as many student accounts linked to theirs as they
would like. Giving them the ability to login once to see all their
students’ grades regardless of which school they attend.
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Be sure to check the Homework page to get more details about this week’s Science Test.
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Be sure to keep up with your grades using Egrades. You should also keep up with your science terms and with what we learned in class….a quiz may come at any time ) If you need extra help, I am available most mornings before school at 7:15, and after school if you make arrangements with me first.
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Welcome to 8th grade science! I am very excited to teach you all again! Looking forward to getting things started on Tuesday! I will have applications for core science managers, if anyone is interested ) BE SURE TO CHECK OUT THE HOMEWORK PAGE
