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8 th Grade Science Do Now Monday, March 18, 2013 Make the weekly Do Now on page ___. Draw a “photo” of yourself over spring break. Your photo must have.

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Presentation on theme: "8 th Grade Science Do Now Monday, March 18, 2013 Make the weekly Do Now on page ___. Draw a “photo” of yourself over spring break. Your photo must have."— Presentation transcript:

1 8 th Grade Science Do Now Monday, March 18, 2013 Make the weekly Do Now on page ___. Draw a “photo” of yourself over spring break. Your photo must have 3 colors, a caption, and a description underneath it.

2 8 th Grade Science Today’s Schedule 1. Do Now 2. BBs vs. Marbles 3. Write a Law 4. Video Essential Question How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Vocabulary Acceleration Velocity Pre-APGrade-Level Homework 8.6B STEMScopes Homework 8.6B Quiz on Friday! Monday, March 18, 2013

3 8 th Grade Science Today we will… 8.6 (B) differentiate between speed, velocity, and acceleration Objective: Students will be able to explain how mass and acceleration are related. Monday, March 18, 2013

4 8 th Grade Science BBs vs. Marbles Monday, March 18, 2013 Move the containers with BBs and marbles from side to side and record 5 observations in your notebook on page __. Then, copy and answer the following questions: 1.What were the similarities in the motion of the BBs and the marbles? 2.What were the differences in motion between the BBs and the marbles? 3.Make a hypothesis about why there were differences in their motion.

5 8 th Grade Science Write a Law Monday, March 18, 2013 If you were going to write a rule about how objects moved based on their mass, what would you write? As a table, write a law based upon your observations with the BBs and marbles.

6 8 th Grade Science Video Monday, March 18, 2013 Three Laws of Motion

7 8 th Grade Science After Video Monday, March 18, 2013 After watching the video, revise your law.

8 8 th Grade Science After Video Monday, March 18, 2013 Newton’s 2 nd Law of Motion Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).

9 8 th Grade Science Do Now Tuesday, March 19, 2013 Jack throws a tennis ball as hard as he can across a field. Then, he throws a bowling ball across a field as fast as he can. Describe the difference between the force, acceleration, and mass of the objects.

10 8 th Grade Science Today’s Schedule 1. Do Now 2. Video 3. Acceleration Essential Question How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Vocabulary Acceleration Velocity Pre-APGrade-Level Homework 8.6B STEMScopes Homework 8.6B Quiz on Friday! Tuesday, March 19, 2013

11 8 th Grade Science Today we will… 8.6 (B) differentiate between speed, velocity, and acceleration Objective: Students will be able to define acceleration and describe how a greater force causes greater acceleration, and less mass causes greater acceleration. Tuesday, March 19, 2013

12 8 th Grade Science Video Roller coaster video As you watch, record 3 examples of acceleration and 3 examples of deceleration. Tuesday, March 19, 2013

13 8 th Grade Science Acceleration If an object speeds up, slows down, or changes direction, the objects is accelerating. Acceleration occurs because a force acts upon an object, causing the object to change its speed or direction. Recall that a force is a push or pull. Acceleration can also be described as a change in velocity. Any object increasing or decreasing its speed or changing directions is accelerating. On page ___, 1)List at least 3 vocabulary words 2)Copy the most important sentence from the reading 3)Write the definition of “Acceleration” in your own words Tuesday, March 19, 2013

14 8 th Grade Science Acceleration Complete RM 9 and RM 11. Tuesday, March 19, 2013

15 8 th Grade Science Do Now Wednesday & Thursday, March 20 & 21, 2013 On page 76… 1.Draw a graph with an x- and y-axis. 2.Labeled the y-axis “speed” 3.Label the x-axis labeled “time”. 4.Draw a line that would show an object staying at a constant speed.

16 8 th Grade Science Today’s Schedule 1. Do Now 2. Finish RM 9 and 11 3. Gum Lab 4. Gallery Walk 5. White Board Review Essential Question How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Vocabulary Acceleration Velocity Pre-APGrade-Level Homework 8.6B STEMScopes DUE FRIDAY Homework 8.6B DUE FRIDAY Quiz on Friday! Wednesday & Thursday, March 20 & 21, 2013

17 8 th Grade Science Today we will… 8.6 (B) differentiate between speed, velocity, and acceleration Objective: Students will graph acceleration on a speed vs. time graph. Wednesday & Thursday, March 20 & 21, 2013

18 8 th Grade Science Finish RM 9 and 11 Periods 1: Grade Period 2, 4, 5 and 6: Finish and Grade RM 9: 1.Under “Motion” write if the example is: speed, velocity, or acceleration 2.Under “Justification” explain how you know that it is speed, velocity or acceleration. Wednesday & Thursday, March 20 & 21, 2013

19 8 th Grade Science Gum Lab Part I. a) 5 Trials- 30 seconds each b) Analysis Questions Part II. a) 1 Trial- 2 minutes b) Record Chomps TOTAL number of chomps every 20 seconds. c) Analysis questions Wednesday & Thursday, March 20 & 21, 2013

20 8 th Grade Science Gum Lab Part III. -1Trial- 1 minute -Record number of chomps every 10 seconds -Each person in group does something different:  Constant Speed  Accelerate  Decelerate  Chomp-Stop-Chomp Wednesday & Thursday, March 20 & 21, 2013

21 8 th Grade Science Gum Lab Group Graph from Part III: 1.Make a distance vs. time graph 2.Each person is a different color 3.Graph the number of chomps over time Wednesday & Thursday, March 20 & 21, 2013

22 8 th Grade Science Gum Lab Group Graph from Part III: On the back of your paper… 1.Make a speed vs. time graph 2.Each person is a different color 3.Graph the number of chomps over time Wednesday & Thursday, March 20 & 21, 2013

23 8 th Grade Science Graph Gallery Walk Wednesday & Thursday, March 20 & 21, 2013

24 8 th Grade Science Scenario Practice For each problem: -Create a distance vs time graph -Create a speed vs time graph -Write a description of the motion A space shuttle launches heading to the moon. Wednesday & Thursday, March 20 & 21, 2013

25 8 th Grade Science Scenario Practice For each problem: -Create a distance vs time graph -Create a speed vs time graph -Write a description of the motion A person hikes 20 miles in one day toward a mountain summit. Wednesday & Thursday, March 20 & 21, 2013

26 8 th Grade Science Scenario Practice For each problem: -Create a distance vs time graph -Create a speed vs time graph -Write a description of the motion A car completes a 300 mile trip in 6 hours. Wednesday & Thursday, March 20 & 21, 2013

27 8 th Grade Science Scenario Practice For each problem: -Create a distance vs time graph -Create a speed vs time graph -Write a description of the motion An elevator descends from the 8 th floor to the 1 st floor, slowing as it goes down. Wednesday & Thursday, March 20 & 21, 2013

28 8 th Grade Science White Board Review Review Questions Wednesday & Thursday, March 20 & 21, 2013

29 8 th Grade Science Do Now Friday, March 22, 2013 Write a 5 sentence paragraph comparing speed, velocity, and acceleration.

30 8 th Grade Science Today’s Schedule 1. Do Now 2. Quiz 8.6B 3. Isaac Newton Essential Question How do we calculate and communicate the change in position, direction and speed for moving objects? How do unbalanced forces affect the motion of an object? How de we transform energy to make it useful? Vocabulary Acceleration Velocity Pre-APGrade-Level Homework 8.6B due today Quiz Today! Friday, March 22, 2013

31 8 th Grade Science Today we will… 8.6 (B) differentiate between speed, velocity, and acceleration Objective: Students will show mastery of TEKS 8.6B. Friday, March 22, 2013

32 8 th Grade Science Quiz 8.6 B R ead and re-read the passage. U nderline the question B ubble important words I dentify the key idea, write it in margin. E liminate the wrong answers S elect the correct answer ✓ predator/prey interactions Friday, March 22, 2013

33 8 th Grade Science Isaac Newton Read: Isaac Newton Special Assignment Friday, March 22, 2013

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