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# 12/1/14 12/1 Science Fair Presentations 12/2 Science Fair Presentations 12/3 Science Fair Presentations 12/4 Science Fair Presentations 12/ 5Science Fair

Jan 20, 2016

## Documents

#### groupcomplete workbook

• 12/1/1412/1Science Fair Presentations12/2Science Fair Presentations12/3Science Fair Presentations12/4 Science Fair Presentations12/ 5Science Fair Presentations

• Newtons First Law of Motion12/1/1412/1Weight vs Mass Textbook p 392-393HW: Physics to go TB: p.402 #1 and #212/2Newtons 1st Law of Motion Workbook p 65-6812/3Newtons 1st Law of Motion Workbook p. 69-72HW: Read WB p. 73-75 in the workbook. Annotate for procedural words and underline where information should be recorded. Note any directions that are unclear.12/4Newtons 1st Law of Motion WB p. 73-7612/5Newtons 1st Law of Motion WB p. 73-76

• Date: 12/1/14Objective: I can distinguish between mass and weight. I can also calculate weight in Newtons (N)

Bell Ringer:As the roller coaster travels from point A to B, how do its potential and kinetic energies change? As the roller coaster travels from point D to E, how do its potential and kinetic energies change?

ABCDE

• Date: 12/1/14Objective: I can distinguish between mass and weight. I can also calculate weight in Newtons (N)

• DEFINITIONSMass- the amount of matter an object has.Matter- something that has mass and takes up space.Weight- is the amount of mass of an object, it is dependent upon gravity.

1 pound (lbs)= .45 kilogram (kg)

• Look at this figure. The mass of the bowling ball does not change, but the mass of the puppy does. How? Where does the matter come from?Can the mass of the bowling ball ever change?

• Place these 5 items in the order they would be the most attracted to the Earth due to gravity. Explain why you picked your order.House flyTennis ballElephantBowling ballpeanut

• Exit QuestionWhat would happen to your mass and to your weight if you went to the moon?

• Date: 11/5/13Objective: I can investigate Newtons first law of motion

Bell Ringer:What would happen to your mass and to your weight if you went to the moon? Explain how you arrived at your answer. Calculate the weight of a 50kg ball?Fw=mg

• Place these 5 items in the order they would be the most attracted to the Earth due to gravity. Explain why you picked your order.House flyTennis ballElephantBowling ballpeanut

• 11/4/13 Activity

Workbook page 65

Complete workbook p.67 independently

• 11/5/12 Activity

Complete workbook p.68

• Date: 11/6/13Objective: I can understand Newtons first law of motion and apply the concept to my daily lifeBell Ringer:Based on our activityYesterday, if the rollerCoaster starts at point BWhat point will the cart Reach? D or E or FExplain why

• 11/6/13 Objective: I can understand Newtons first law of motion and apply the concept to my daily life

Independently read and annotate Workbook p 69-71

7 minutes

• 11/6/13 Objective: I can understand Newtons first law of motion and apply the concept to my daily life

Video

• 11/6/13 Objective: I can understand Newtons first law of motion and apply the concept to my daily life

Workbook page 72 complete TEJ

• 11/6/13 Objective: I can understand Newtons first law of motion and apply the concept to my daily life

HW: Read WB p. 73-75 in the workbook. Annotate for procedural words and underline where information should be recorded. Note any directions that are unclear.

• Date: 11/7/12Objective: I can read and understand procedures to perform an activity on Newtons second law of motion

work book to page 73-75Perform activityPerson #1 supplies-set up, take down, and care ofPerson #2 operates the glxPerson #3 records dataPerson #4 manages and protects car

• Date: 11/7/12Objective: I can read and understand procedures to perform an activity on Newtons second law of motion

work book to page 73-75Perform activityPerson #1 supplies-set up, take down, and care of cartPerson #2 operates the glxPerson #3 records dataPerson #4 read procedures

• Example of a conservative system: The simple pendulum.Suppose we release a mass m from rest a distance h1 above its lowest possible point.What is the maximum speed of the mass and where does this happen ?To what height h2 does it rise on the other side ?

• Example: The simple pendulum.yy=0y=h1 What is the maximum speed of the mass and where does this happen ?E = K + U = constant and so K is maximum when U is a minimum.

• Example: The simple pendulum.vh1yy=h1y=0 What is the maximum speed of the mass and where does this happen ?E = K + U = constant and so K is maximum when U is a minimumE = mgh1 at topE = mgh1 = mv2 at bottom of the swing

• Example: The simple pendulum.yy=h1=h2y=0 To what height h2 does it rise on the other side?

E = K + U = constant and so when U is maximum again (when K = 0) it will be at its highest point.

E = mgh1 = mgh2 or h1 = h2

• Potential Energy, Energy Transfer and PathA ball of mass m, initially at rest, is released and follows three difference paths. All surfaces are frictionless The ball is droppedThe ball slides down a straight inclineThe ball slides down a curved inclineAfter traveling a vertical distance h, how do the three speeds compare?(A) 1 > 2 > 3 (B) 3 > 2 > 1 (C) 3 = 2 = 1 (D) Cant tell

• An experimentTwo blocks are connected on the table as shown. The tablehas a kinetic friction coefficient of mk. The masses start at rest and m1 falls a distance d. How fast is m2 going?

Mass 1S Fy = m1ay = T m1gMass 2S Fx = m2ax = -T + fk = -T + mk NS Fy = 0 = N m2g| ay | = | ay | = a =(mkm2 - m1) / (m1 + m2)2ad = v2 =2(mkm2 - m1) g / (m1 + m2)

DK= - mkm2gd Td + Td + m1gd = m1v2+ m2v2v2 =2(mkm2 - m1) g / (m1 + m2)

• Date: 11/24Goal: I can finalize my Science Fair project

Bell Ringer: If the force of gravity between two objects is 50N, what would the force be if the two objects masses were doubled?

• Date: 11/24Goal: Goal: I can finalize my Science Fair project

Final Project Presentation and ReportBy December 1st, complete your presentation and report. You will share both your final report and presentation with Mr. Stoll on google drive.

• Date: 11/24Goal: Goal: I can finalize my Science Fair project

Presentations

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