Tuesday, December 13, 2016

December 12th

Warm Up:
General formula: MA = output force
                                      input force
Or ratio: MAlever = length of input arm
                               length of output arm

A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters. What is the mechanical advantage of the lever?

Quick Reviews completed today:

A. Page 214 - Calculating Power (1-2)
B. Page 215 - Section Review Questions (1-9)
C. Circle Map: Explain the concept machines and provide examples

Homework: Complete simple machine notes on BLOG
Simple Machines Project given: Due December 20th
Create a game that requires the players to identify the six types of simple machines.
Design an experiment for one type of simple machine and have one of your classmates perform it.
Visit Edheads.org and complete the activities recording the type of simple machine you decide is represented.
Construct a Rube Goldberg device using at least 4 different types of simple machines and at least 12 steps.
Draw an example of each of the three lever classes.  Label the effort, resistance and fulcrum on each lever.  Tell how each type of lever is used.
Invent a compound machine that contains at least three simple machines.
Explain how each type of simple machine makes a job easier.  Use specific examples for each type of simple machine.
Solve the mechanical advantage problems for the different types of simple machines.
Use the simple machine cards and classify them into the six types of simple machines. 

December 11th

Warm Up:  ______________ is the ratio of the output force to the input force.

Today's Focus:
Completion of Friday's Stations:


Example of Frayer's Model:

Words to use:

work input
work output
mechanical advantage
mechanical efficiency

Tuesday, December 6, 2016

December 5th - 6th

Monday Warm Up:
An object rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force. Which law is this?

Today's Focus:

Introduction to Machines via Activity (C'mon Lever A Little)

Power Point Notes on Work and Power:

Copy Only Bold Print Information into ISN:

Work is done when a net force acts on an object and the object moves in the direction of the net force.
Work is the product of the force on an object and the distance through which the object is moved:  the quantity force × distance
If the force is constant and the motion takes place in a straight line in the direction of the force, the work done on an object by a net force is the product of the force and the distance through which the object is moved.
  work = net force × distance
  W = Fd

Work is done in lifting the barbell. If the barbell could be lifted twice as high, the weight lifter would have to do twice as much work.
While the weight lifter is holding a barbell over his head, he may get really tired, but he does no work on the barbell.
Work may be done on the muscles by stretching and squeezing them, but this work is not done on the barbell.
When the weight lifter raises the barbell, he is doing work on it

Work and Force:
Some work is done against another force.
An archer stretches her bowstring, doing work against the elastic forces of the bow.
When the ram of a pile driver is raised, work is required to raise the ram against the force of gravity.
When you do push-ups, you do work against your own weight.

Work and Speed:
Some work is done to change the speed of an object.
Bringing an automobile up to speed or in slowing it down involves work.
In both categories, work involves a transfer of energy between something and its surroundings

Work Units:
The unit of measurement for work combines a unit of force, N, with a unit of distance, m.
The unit of work is the newton-meter (Nm), also called the joule.
One joule (J) of work is done when a force of 1 N is exerted over a distance of 1 m (lifting an apple over your head).
Larger units are required to describe greater work.
Kilojoules (kJ) are thousands of joules. The weight lifter does work on the order of kilojoules.
Megajoules (MJ) are millions of joules. To stop a loaded truck going at 100 km/h takes megajoules of work.

Practice Problem:
Suppose that you apply a 60-N horizontal force to a 32-kg package, which pushes it 4 meters across a mailroom floor. How much work do you do on the package?

Suppose that you apply a 60-N horizontal force to a 32-kg package, which pushes it 4 meters across a mailroom floor. How much work do you do on the package?
W = Fd = 60 N × 4 m = 240 J
Apply the work equation to determine the amount of work done by the applied force in each of the three situations described below:  DIAGRAM A ONLY 

Diagram A Answer:
  W = (100 N) * (5 m) = 500 J

Diagram B Answer:
  W = cos(30 degrees) *(100 N) * (5 m) = 433 J

Diagram C Answer:
W = (147 N) * (5 m) = 735 J

Power equals the amount of work done divided by the time interval during which the work is done.
When carrying a load up some stairs, you do the same amount of work whether you walk or run up the stairs.
Power is the rate at which work is done.
Power = work done
              time interval

High Power Engine:
A high-power engine does work rapidly.
An engine that delivers twice the power of another engine does not necessarily produce twice as much work or go twice as fast.
Twice the power means the engine can do twice the work in the same amount of time or the same amount of work in half the time.
A powerful engine can get an automobile up to a given speed in less time than a less powerful engine can.

Power Units:

The unit of power is the joule per second, also known as the watt.
One watt (W) of power is expended when one joule of work is done in one second.
One kilowatt (kW) equals 1000 watts.
One megawatt (MW) equals one million watts.
In the United States, we customarily rate engines in units of horsepower and electricity in kilowatts, but either may be used.
In the metric system of units, automobiles are rated in kilowatts. One horsepower (hp) is the same as 0.75 kW, so an engine rated at 134 hp is a 100-kW engine.
If a forklift is replaced with a new forklift that has twice the power, how much greater a load can it lift in the same amount of time? If it lifts the same load, how much faster can it operate?
The forklift that delivers twice the power will lift twice the load in the same time, or the same load in half the time.

Tuesday Warm Up:
The tendency of an object to resist being moved or, if the object is moving, to resist change in speed, or direction until an outside force acts on the object is:
Give an example.

Today's Focus:
Motion Gallery Walk Review (Distance Time Graphs)
Completion of Notes on Work and Power.
Homework: Work and Power Reading Handout


Wednesday, November 30, 2016

November 28th - December 1st

Monday - Warm Up Question
What two measurements are necessary for calculating speed?
A. Acceleration and time
B. Distance and time
C. Velocity and time
D. Velocity and distance

Today's Focus:
Review and go over Checkpoint 7 Assessment which was given on the Friday before Thanksgiving Break.

Review Distance Time Graphs via ppt.
Activity: Describing Motion on Distance Time Graphs (Complete for homework if not finished in class)

Homework:  Forces Review Sheet

Tuesday - Warm Up Question
How is velocity different than speed?

BrainPop Video Review - Acceleration

After BrainPop Video Review - Discussion on the differences between distance-time graphs and speed-time graphs

Homework: Study - Unit Test Friday

Wednesday - Warm Up Question
Explain the term acceleration

Stations Today:
A. Review on distance time graphs and speed-time graphs
B. QR Coding Activity (Reviewing Force and Motion)
C. Virtual Lab http:///www.glencoe.com/sites/common_assets/science/virtual_labs/E12/E12.html

Homework: Study - Unit Test Friday

Thursday - Warm Up Question
Suppose you are in a car that is going around a curve.  The speedometer reads a constant 30 miles per hour.  Which of the following is not true?
A. You and the car are accelerating.
B. Your velocity is constant.
C. Your speed is constant.
D. Your acceleration is constant.

Computer Lab Day to complete the stations from the previous day.

Links for the QR Coding Activity are as follows:

A. Forces, Friction and Jeopardy Game:

B.  What is Gravity Review Quiz:

C. Forces Review

D. Acceleration Practice:

E. MOTION QR Code Video Assignment:

Video Link to use to answer the questions:

Questions to answer:
Web Address: https://youtu.be/ZM8ECpBuQYE?list=PL8dPuuaLjXtN0ge7yDk_UA0ldZJdhwkoV 1. The four main conditions of the cars movement are time, position, velocity, and __________________________________________________.

 2. ______________________________________________ __ lets you know where you are or where you were.

3. The change in position is known as _____________________________________________.

4. _______________________________________ is the way your position changes over time.

 5. Acceleration is measured in the unit ______________________.

6. Average ______________________ = Δx

7. Average _______________________________= Δv

8. The symbol Δ is called _____________________________________.

 9. The force of gravity pulling something down is making the object acceleration at a rate of _________________________.


Friday, November 18, 2016

November 17th – 8th Grade Field Trip
November 18th COMPUTER LAB DAY
Today in class students will complete the following assignments:
·         Checkpoint 7 duplicate
·         After Checkpoint 7 Assessment, students will complete the following:

A.      Newton’s Laws of Motion Webquest - http://moodle.tfd215.org/pluginfile.php/60981/mod_resource/content/1/newtonswebquest.pdf

   Videos to use in relation to car crashes for Newton's Laws of Motion:



B.      Webquest from  the previous day if not completed.
C.      Create a Venn Diagram: Compare and contrast speed time graphs and distance time graphs.

D.      Go to Ck12 and complete the assignment of acceleration: Which includes reading, watching the video and completing the review practice questions.  http://www.ck12.org/student/

Wednesday, November 16, 2016

November 15th - 16th
On November 15th
Introduction to acceleration via PPT.
Review on distance time graphs

November 16th Computer Lab Day
Webquest 1: Speed and Acceleration
Webquest 2: Online Webquest Link: http://www.malonescience.com/acceleration-webquest.html http://www.malonescience.com/acceleration-webquest.html 

Monday, November 14, 2016

November 14th

November 14th
Today’s Focus:
Warm up Question:
On a distance time graph: How is the y-axis and x-axis labeled?
After Warm up:
Reviewing distance time graphs.
Practicing how calculate speed and creating distance time graphs based on the story of the object in motion.
Assigned tasks:
     B. Distance Time Graph Practice (See teacher for practice sheet)
     C. Distance Time Graph Matching Cards

Homework Calculating Speed Practice Sheet
Additional practice on distance time graphs:

Saturday, November 12, 2016

November 8th - November 11th

November 8th – No School
November 9th
Warm Up Question:
A change in __ means that a chemical reaction has occurred.
  1. The energy and mass
  2. The kinds of atoms involved
  3. The properties and identity of the reacting substances
  4. The energy and kinds of atoms of the reacting substances
After warm up:
 Homework Assignment:
CK-12 “Motion” Reading Assignment with video and practice motion (1-9)
November 10th
Warm Up Question:
Explain the difference between mass and weight.
After warm up:
Copy notes into ISN:
Speed is the distance traveled per unit of time.
Speed (s)  =  distance (d)
                         time (t
Each variable measured by units:
Distance:  meters (m), miles (mi)
Time:seconds (s), hours (hr), minutes (min)
Speed: meters per second (m/s),
                    miles per hour (mi/hr),
                kilometers per hour (km/hr)

Review on how to calculate Speed
Introduction to Distance-Time Graph Notes
Practice in USA Test Prep/Completion of End of Lab Vocabulary Words
November 11th:
No warm up given
Complete Distance-Time Graph Notes
After completion of notes: students were given two practice tasks to complete:
A.      Calculating Average Speed
B.      Distance Time Graph Practice

Homework: Work on practice activities given in class.

Monday, November 7, 2016

November 7th - Monday

Warm Up:
What is a solute and what is a solvent?
What are the four types of friction?
What is the difference between mass and weight?
What formula is used to calculate speed?
After warm up:
Force and motion review with graphic organizer:

After review: Speed and Velocity Video
After video: introduction to lab:  Speed and Velocity
We did not complete the entire lab today; Wednesday will be the final day to complete the lab.

  2. End of Lab Vocabulary Words Due Wednesday

October 31st - November 4th

October 31st
Warm Up:
  • A. Gravel
  • B. Sand
  • C. Grass
  • D. Sidewalk
After warm up question:
Video on Gravity:
Draw a circle map (GRAVITY IS THE WORD IN THE CENTER) (Classwork Assignment Grade)
A.      Homework:  Work in USA Test Prep
B.      End of Lab Vocabulary Words Due
C.      Gravity Review Sheet

November 1st
Warm Up:
Explain the difference between mass and weight
Introduction to Describing Motion and Speed PPT (Students will write notes in their ISN)
After PPT:
Quick Review Video: Gravity, Work and Force

Homework: Continue to work in USA Test Prep
November 2nd
Warm Up:
How do mass and distance affect the force of gravity?
After warm up:
Students will work in stations:
Students will work in stations:
Purpose: These activities gives students the opportunity to shine on previous knowledge learned about metric system units, speed, velocity, and acceleration. 

A.Analyze the Picture
Students will analyze the picture on distance and displacement.  There are two distances: Alan’s path and Eva’s path.  The Displacement is West gate to East gate 100 m.

Students will identify the measurement with the correct unit. The word bank is provided for ease.
1. Distance 2. Distance 3. Mass  4. Volume(s) 5. Speed  6. Velocity

C.Classify Me!
Students will take the random units and sort them under the correct heading in the table.

Students will classify the examples as speed or velocity.
1. Velocity 2. Speed  3. Speed  4. Velocity  5. Velocity  6. Speed   7. Speed

E. Speed and Velocity Practice Problems
Students will use the math skills learned in class to answer word problems.
1. 1600 meters  2. 0.5 seconds 3. 30 km/min

D.      Online Conversion Practice
November 3rd
Warm up:
1. The rougher the surface the __________________ the friction. (greater or lesser)  The _______________ the surface the lesser the friction produced. (rougher or smoother)
2. Explain the term sublimation. Give an example
3. What is the difference between mass and weight?

After warm up:
Video review:
Quick Review Video: Gravity, Work and Force
After video review; Jeopardy Review Game
November 4th
Assessment Day: Checkpoint 6 (Gravity and Friction)
After assessment:  Webquest on Motion

October 26th - October 29th

October 26th
Warm up questions:
Friction act in a direction ____________ to the direction of the object’s motion.
________: a force that opposes motion.

Today’s Focus:
·         Completion of gravity notes.
·         After completion of notes:
·         Students had to do a writing prompt: Compare and contrast mass and weight
Homework: USA TEST PREP PRACTICE due by next Wednesday
October 27th
Warm up question:
___________ is a force that pulls objects towards each other.
After warm up:
Video on Gravity with graphic organizer:

October 28th
Warm up question:
Explain the Law of Universal Gravitation
**Due to this week being Early Release Week:
Continuation of the video from the previous day
After video: KAHOOTS Review
Checkpoint 5: Balanced and Unbalanced Forces will be given on Friday to students.
October 29th
Checkpoint 5 Assessment: Balanced and Unbalanced Forces
After assessment:
Students will complete an online webquest gravity and inertia.
Online Web quest: Gravity