Wednesday 9/22/2010 DO NOW

1. Wednesday 9/22/2010DO NOW Answer the following in your science notebook: What is one of the objective’s of today’s class? Fill in the blank: In an experiment, the control group is the one that does NOT undergo any _______________. What is the SI Base Unit for MASS? Write 54.6 mg into cg. Convert 5000 mL into L.

2. Class Checklist • No students were talking during the review of the Do Now, during teaching time (note-taking) and during closing. • Every student was on time • Ms. Chan did not ask any student to put away their electronics (cellphones/IPODS) • No curse words were used inside this room. • Every student remained in his/her seat until independent practice. • By the time Ms. Chan goes over this list, every table has 2 chairs behind it. • All students followed the class rules. (Students did not argue with Ms. Chan) • Every student brought THEIR OWN pencil and paper to class. • Every student completed ALL of the class work for the day. • No student had his/her head down during class. • EVERY student turned in the homework ON-TIME. • It took Ms. Chan no more than 10 seconds to get the entire class’s full attention (eyes forward, mouths shut). • All lab equipment was returned to its original location.

3. Review Do Now • What is one of the objective’s of today’s class? • Fill in the blank: In an experiment, the control group is the one that does NOT undergo any _______________. A: TREATMENT. • What is the SI Base Unit for MASS? A: grams (g) • Write 54.6 mg into cg. A: 5.46 cg • Convert 5000 mL into L. A: 5 L

4. It is not ok to walk into class and immediately begin touching the stuff on the front desk. • Consider this your last warning. • From this point on, if you start messing with the materials on the front desk, you will lose your participation points for the day.

5. Agenda • Briefly review metric prefix conversions (3 problems) • If you still don’t get it, come see me after school. • Worksheet • We will review the 1st half together • You do the 2nd half on your own (½ via stations; ½ at your seats) • Closing

6. Review metric conversionsCopy down what you don’t know. • Convert 4.59 kg into g. A: 4590 g • Write 0.056 Dm into mm. A: 560 mm. • Jill drank 1500 mL of water yesterday, while Bob drank 1.5 L of water. Who drank more? A: 1500 mL = 1.5 L • Your friend tells you that his 20 year old brother is 99mm tall. Do you believe him? A: 99 mm = 9.9 cm = .099 m

7. Assignment Title: Scientific Instruments • This entire handout is worth 20 points. • The first ½ of the front page is a direction instruction. • The rest of the handout (including the back), you will complete on your own. • The assignment is due TOMORROW at the BEGINNING of class. If you finish it TODAY in class, you don’t have HW tonight.

8. Name: Triple Beam Balance Purpose: Find mass --------------------------------------------------------------------- Name: Ruler (meterstick) Purpose: Find length ---------------------------------------------------------------------- Name: Stopwatch Purpose: Find time

11. Name: Graduated Cylinder Purpose: Find volume • Key Term: Meniscus

12. * Meniscus = the little dip in the liquid level

13. Name: Beaker Purpose: Find volume -------------------------------------------------------------------- Name: Newton’s Spring Scale Purpose: Find weight (in NEWTONS)

14. IP: The rest of the worksheet STATIONS • Let’s read the directions together. • RULES: • There are multiple instruments at each station. Use them as I showed you in class. • There are more people than stations. If Station 1 is crazy crowded, go to another station or answer the review questions first. • BE RESPECTFUL.

15. IP: The rest of the worksheet • DUE TOMORROW. • Finished? Place it in the box. • Not finished? Finish up for homework! Place it in the box as you walk in tomorrow.

16. Closing • What instrument would I use to find the mass of a pencil? • What is your homework tonight? • What if I finished the worksheet?

17. What’s your HOMEWORK TONIGHT? • Finish up that handout! • MAKE SURE TO ANSWER EVERY QUESTION.

18. Class Checklist • No students were talking during the review of the Do Now, during teaching time (note-taking) and during closing. • Every student was on time • Ms. Chan did not ask any student to put away their electronics (cellphones/IPODS) • No curse words were used inside this room. • Every student remained in his/her seat until independent practice. • By the time Ms. Chan goes over this list, every table has 2 chairs behind it. • All students followed the class rules. (Students did not argue with Ms. Chan) • Every student brought THEIR OWN pencil and paper to class. • Every student completed ALL of the class work for the day. • No student had his/her head down during class. • EVERY student turned in the homework ON-TIME. • It took Ms. Chan no more than 10 seconds to get the entire class’s full attention (eyes forward, mouths shut).

19. Hey 6th period! • Look around you! • Do you see how big your class is??? • YOU GUYS ARE LEARNING DESPITE THE FACT THAT THERE ARE 33 PEOPLE SITTING IN HERE! • I AM SO IMPRESSED!NICE JOB PEOPLE!