Chemistry A Warm-ups Schukow TRI 1 13-14

Warm-ups 9/4/13 What is the purpose of the syllabus? (cite evidence from the document to support your claim) Answer two of the following questions. What makes you feel comfortable in the classroom? What are some things the teacher can do to support your learning? What are some things your classmates can do to support your learning? What would get in the way of your learning?

Warm-ups 9/5/13 The marshmallow tower challenge had nothing directly to do with chemistry so why would I have you do it? Have your class norms ready for discussion.

Warm-ups 9/6/13 What is the purpose of having a textbook in a class? When we created the class norms, safety was on the list. What does “being safe” mean in a chemistry class?

Warm-ups 9/9/13 State one safety precaution you remember from Friday’s safety video. List the steps of the scientific method as you remember them.

Warm-ups 9/10/13 Which of the lines/shapes below best represents how the scientific method works?

Warm-Ups 9/11/13 Is there a difference between a scientific theory, such as atomic theory, and a random theory you come up with, such as a theory on why students can no longer wear hats in school? What is the dependent and independent variable in the hypothesis below. I believe my cat has been aggressive lately because my family just got a new dog.

Warm-Ups 9/12/13 What was the purpose of the cube activity? How do you know when you are doing science?

Warm-Ups 9/12/13 In your words, what is a scientific model and why are they important? In a few minutes you will be given a puzzle to fit together. While you complete that activity, reflect on how it illustrates developing scientific theories.

Warm-Ups 9/13/13 What is the purpose of reading over a lab before you do it? Taring or zeroing the balance before you massed the gum is yesterday’s lab was important to get accurate results. How would not doing this affect your data?

Warm-Ups 9/16/13 WARM-UP CHECK TOMORROW! Is the following conclusion a good scientific conclusion? Remember, a good scientific conclusion contains three parts. “My hypothesis was that the gum would increase its mass. Based on the experiment my hypothesis was rejected. The gum’s mass started at 6.5 grams and after 5 minutes it was 1.9 grams. The % change was -70.8%.”

Warm-Ups 9/17/13 What is the independent variable in this graph?

Warm-Ups 9/18/13 Write down questions you have regarding the observation and experiment lab report. How did last night’s reading go?

Warm-Ups 9/19/13 How are the following topics related to each other: elements and compounds, mixtures, and the conservation of matter?

Warm-Ups 9/20/13 If matter is not created or destroyed, does this mean the universe has always contained the same amount of matter? How can this be true when we see an increasing population of people on Earth alone?

Warm-Ups 9/23/13 Is the model to the right of an element, compound, or mixture? How do you know? Melting, freezing, condensing, and boiling are all examples of physical changes. What does it mean that they are physical changes?

Warm-Ups 9/24/13 What is the significance of the mean value from yesterday’s lab? Draw a molecular model of an element, compound, and mixture. If you have not turned in your observation and experiment lab report, you will be working on it tomorrow in class.

Warm-Ups 9/30/13 Why is measurement important in chemistry? Write down your thoughts. If you did not take the test on Friday you need to schedule a time to make that up after school. Test retake day is next Monday.

Warm-Ups 10/1/13 What did all of the articles we discussed yesterday and yesterday’s lab have in common? Warm-Up check tomorrow.

Warm-Ups 10/2/13 Learning Target: I can write numbers in scientific notation, complete metric conversions, and review measurement by completing notes and finishing the scientific notation and metric review worksheets. Why is it that measuring 100 ml of water using a beaker, graduated cylinder, and volumetric flask will result in different volumes of water? Warm-Up check today: 9/17, 9/18, 9/19, 9/20, 9/23, 9/24, 9/30, 10/1, 10/2

Warm-Ups 10/3/13 Learning Target: I can write numbers in scientific notation, complete metric conversions, and review measurement by completing notes and finishing the scientific notation and metric review worksheets. What is the water level? Write this number in scientific notation.

Warm-ups 10/4/13 Learning Target: I can determine the density of a substance by plotting the mass and volume of different amounts of a substance. Write the following number in scientific notation: 0.0476 g/ml. How many significant figures does it have? What type of measurement is this? How do you know?

Warm-Ups 10/7/13 Learning Target: I can explain the results of an experiment by writing a lab report. An object has a mass of 1 g and its measured volume is .5mL. What is it’s density? Express this density in kg/L.

Warm-Ups 10/8/13 Learning Target: I can display an understanding of density by solving practice problems and designing an object that floats in water. A metal object has a volume of 5mL and a density of 10 g/mL. What is it’s mass? Make a prediction. What would happen to the density of this metal if it was heated?

Warm-Ups 10/10/13 Learning Target: I can explain the progression of the atomic model by making a timeline. What do you know about atoms?

Warm-Ups 10/11/13 Learning Target: I can explain the progression of the atomic model by making a timeline. “The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.” Albert Einstein What is your reaction to this quote?

Warm-Ups 10/14/13 Learning Target: I can describe the structure of atoms by discussing practice problems using a whiteboard. What does the progression of the atomic model teach us about science?

Warm-Ups 10/15/13 Learning Target: I can describe the structure of atoms by solving problems on isotopes and average atomic mass. Make a prediction. Do you think all atoms of the same element are exactly the same? If not, what makes an oxygen atom different than atoms of other elements? Warm-Up Check tomorrow: 10/3, 10/4, 10/7, 10/8, 10/10, 10/11, 10/14, 10/15, 10/16

Warm-Ups 10/16/13 Learning Target: I can describe isotopes by completing the isotopes of pennium lab. Write down the number of protons, neutrons, and electrons in the following isotope: Carbon – 12. Warm-Up today: 10/3, 10/4, 10/7, 10/8, 10/10, 10/11, 10/14, 10/15, 10/16

Warm-Ups 10/17/13 Learning Target: I can calculate average atomic mass and discuss isotopes by completing discussion questions and reviewing the isotopes of pennuim lab. In the isotopes of pennium lab, what did each penny represent? A student calculated the average atomic mass of an element to be 15 amu. The two isotopes were Li-7 and Li-8. Does the student’s result make sense? Why or why not?

Warm-Ups 10/18/13 Learning Target: I can describe the Bohr model by completing the flame test lab. After reading today’s lab, write an explanation of what the lab is about.

Warm-Ups 10/21/13 Learning Target: I can write the electron configurations for the elements on the first four rows of the periodic table. Calculate the average atomic mass of the following unknown element based on the table below. Isotope mass (amu) % Abundance 152 1 153 5 154 94

Warm-Ups 10/22/13 Learning Target: I can write the electron configurations for the elements on the first four rows of the periodic table by completing practice problems with a partner. Draw a picture of an a “s” and “p” orbital. Which one contains more energy? Reminder: Quiz over CH. 4 and 5 tomorrow, Test Thursday

Warm-Ups 10/25/13 Learning Target: I can describe potential trends in the periodic table by participating in an inquiry activity and discussion (it’s in the cards). What do you think the term “periodic” means? Reminder: I will be out next Monday-Wednesday.

Warm-Ups 10/31/13 Learning Target: I can describe the periodic table by completing a gots and needs exit slip. On a scale of 1 to 5, rate your understanding of the trends of the periodic table. (1 = no understanding, 5 = expert) Justify your rating with evidence. Reminder: Periodic quiz next Tuesday and test next Wednesday

Warm-Ups 11/4/13 Learning Target: I can describe the periodic table by completing a gots and needs exit slip. How did Mendeleev order the elements when he constructed the periodic table? How are the elements ordered now? Reminder – Quiz Wednesday and test Thursday

Warm-Ups 11/5/13 Learning Target: I can explain the periodic table by completing a gots and needs exit slip. What are the trends of the periodic table? Reminder: Quiz tomorrow and test Thursday

Warm-Ups 11/8/13 Learning Target: I can construct ionic compounds and covalent molecules by writing the formulas for compounds formed between two atoms. Make a prediction. What determines whether an atom gives away an electron, accepts an electron, or shares an electron? Reminder: CH. 6 test retakes can be done after school any day next week Science Club today after school in room B109