Today's Quote:
Recap:
On Tuesday we worked through the first few conversion chains on our lab. Several students kept trying to jump ahead and I explained that my EXPECTATION is that they will slow down, follow the steps , and show all their work on paper. This may sound silly, but it serves several purposes. First, if you follow the 5 step method as I outlined it on the board, then I can check your answer and then look back at each step to see where you may have gone wrong. It's true that you might be able to do some of the calculations in a calculator, however, this exercise isn't about getting the correct answer as fast as possible; it's about following a series of steps in an investigation.Thes steps I provided were:
- Write down the formula or conversion factor you will use.
- Write down what you know and don't know (variables)
- Plug your knowns and unknowns into your formula.
- Solve and simplify your results
- Circle your answer so I know the one I am checking AND DON'T FORGET TO INCLUDE YOUR UNITS!
I also clarified a confusion that we were having. I was using the term "inverse" to describe the second choice in a conversion factor. According to the math department, they teach this as the multiplicative inverse or reciprocal. Hopefully, this clears things up.
Let's look at a sample problem. Let's assume that you have gone to Germany and you need a pair of shoes. You know that your shoe is 8.5 inches in the US. When you go to the shoe store you find sizes like 20, 25, 30, etc. You need to be able to convert your shoe size to centimeters, in order to buy shoes.
Step 1: We will use our conversion factor that takes us from inches to centimeters.
2.53cm/1 in. and it's inverse 1in/2.53cm
Step 2:
We know our shoe is 8.50inches and we don't know centimeters.
Step 3:
8.50in/1 X 2.53cm/1in. = X cm. (remember whatever we are trying to "get rid of"must be in the denominator of the conversion factors- in this case it's inches.)
Step 4:
inches cancel out and leaves cm in my answer. then I do the math 8.50x 2.53= 21.5cm
Step 5
I would circle 21.5 cm. I am searching for a shoe that s 21.5 centimeters in length.
Brain Bender:
During a World Fair, a group of scientists were exhibiting their advances in genetic engineering. There were cross- breeds of various bulls, cows and other domestic farm animals. Featured in the exhibit were several over-sized prize turkeys. One afternoon during the show, a woman walked up to the exhibit, shot the turkeys and then ran out of the building. Although she was known by a number of the people there, nobody made any attempt to stop her. Why?
Agenda:
(This should be written in your planner every day)
1.Due to several days of assigned seating in lunch, I will donate the class time to students who may need to log- in and work on the test. Normally, this would be done at home, but the situation has been untenable at school due to student behavior in lunch. Students who are done can work quietly on other work, or read their AR book. Students who need to complete the test should get their Chromebooks and get started.
2. Lab safety Rap
Homework:
End of unit exam. This went live at 4:00pm yesterday and is due on Wednesday at 11:59 pm
Kids today got to hold and see Anubis, the baby squirrel I rescued. He is not out of the woods yet, but he is eating and his eyes are now open.
6th Grade Honor's Earth Space Science:
6th Grade Class Information and Syllabus
Unit Essential Question:
What are the basic ideas behind the process of science?
Key Learning Statement:
Science is a process based upon observational and experimental studies using scientific methods to develop or explore scientific theories or laws.
7th Grade Honors Life Science
7th Grade Class Information and Syllabus
Unit Essential Question: What methods do scientists use to answer questions and solve problems in the natural world?
Key Learning Statement: Scientific inquiry involves forming a testable hypothesis and developing a valid investigation using scientific skills and tools to determine if the hypothesis is supported or not supported. Data from scientific investigations helps scientists explain natural events through the use of scientific theories and scientific laws.
8th Grade Honors Physical Science
Unit Essential Question: What is required to carry out a valid scientific investigation?
Key Learning Statement: A valid scientific investigation uses prior knowledge, observations, and empirical evidence to test a hypothesis and draw conclusions that must be validated through repetition and replication.
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