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Analyzing Vehicle Features and Motion Graphs in Science Class

In today's science lesson, students will analyze data related to vehicle features and motion. They will use their Science Books and prepare to engage with analysis questions focused on comparing vehicle specifications such as brakes, acceleration, and safety features. Students will explore questions on how these features impact safety and performance. Additionally, they will learn to interpret distance vs. time graphs to understand motion dynamics. By the end of this lesson, students will be equipped to analyze, compare, and draw conclusions based on their findings.

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Analyzing Vehicle Features and Motion Graphs in Science Class

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  1. Good Afternoon • Have out your analysis questions Act. 73 pg. E-6& 74 #1-5 pg. E-10 • Have your Science Books and pen/pencil ready to begin class! Books should be open to pg. E-6-make sure your data table of the vehicle features is stapled in your journal!

  2. Agenda • Objective • Discuss Analysis Questions • Set up Journal Act. 75 • Activity 75 • Homework

  3. Objective • Students will be able to analyze, compare, and draw conclusions using distance vs. time graphs.

  4. Analysis Questions-Act. 73 • #1-compare the features from Step #2 to your table How are they similar? brakes, length, top speed, width Different? Height, length, fuel consumption, mass, airbags Braking distance, acceleration

  5. #2 explain why were the X less important? • Not safe, valuable, not a concern

  6. #3- what factors should people consider when buying a car? • Exterior • Miles per hour • Mileage • Interior features • make/model/color • Passenger quantity

  7. #4- do car featuresa-reduce damage? • Brakes • Length • Width • Braking distance • mass

  8. #4- do car featuresB- prevent accidents? Explain • Airbags • Brakes • Braking distance • Tires • AWD-all wheel drive • Height • Length • Width • Mass • Fuel consumption

  9. #5- which vehicle do you think safer- Vehicle 1 or Vehicle 2? Why? • Vehicle 2 has more safety features height, length, width, mass, top speed, acceleration, braking distnace, fuel consumption, and airbags

  10. Analysis Questions • #1- According to the data from Part A, what is the speed of the cart? • #2-According to your data from Part B, what is the effect of release height on speed? • #4- What part of your experimental design in Part B -increased & decreased confidence • #5-What is a car’s speed in m/s if it travels: • A. 5 meters in 0.1 seconds= • 50 m/s • B. 5 meters in 0.2 seconds= • 25 m/s • C. 10 meters in 0.2 seconds= 50 m/s

  11. #3- Units measured for speed • Cm/sec • Cm/min • Miles/hour • Km/hr • m/sec

  12. Activity 75: Interpreting Motion Graphs • Date: 2/18/14 • Challenge Question: How can you use a graph to describe motion? • Getting Started: When you measured the speed of a cart rolling down a track, do you think the carts were going the same speed the whole time?

  13. Getting Started • The cart started at 0 m/s and then sped up to its top speed. Then it eventually slowed down and ended up at 0 m/s again. • You found the average speed over a distance of 100 cm.

  14. Glossary • 1. acceleration • 2. deceleration

  15. (Distance vs. Time )Motion Graph • These graphs describe and interpret motion as linear (constant & straight) • Features in the motion graph: -a straight line indicates constant speed -a horizontal line indicates no motion, or 0 speed. -a + sloped line (upward) indicates motion away from start point - a – sloped line (downward) indicates motion toward start point

  16. Motion Graph - a steeper slope indicates a faster speed - a curved line of changing slope indicates acceleration- change (increase) in speed

  17. Motion Graph

  18. Slope • A constant rate of change • slope =the change in y /the change in x

  19. Introduction pg. E-12 • The road from Josh’s andTeasha’s houses to the school is straight, and a trip directly to school wouldn’t require any turning. • What type of motion is shown? • Why?

  20. Pg. E-13 • Materials pg. • Procedure: Read steps #1-5 *Show student sheets for the activity

  21. Trip Strips • A- car travels 4 min. to return home (40 mph) • B-car travels 4 miles in 8 min (30mph) • C-Car stops for 6 minutes while picking up a friend • D-Car travels 3 miles toward school in 6 minutes • E- Josh realizing he may have forgotten his homework pulls over & looks through his back pack for 1 min. • F-Teasha’s car gets caught in traffic and travels 1 mile in 8 minutes • G-car travels 2 miles in 5 minutes • H- Car stops for 2 minutes

  22. Activity 75 • Work with your partner and complete steps #1-5 in the procedure • Final product needs to be turned in at the end of class to receive full credit!

  23. Homework Exit Slip • Analysis Questions #1-3 pg. E-14 • Extra Credit Due Friday Analysis #6 & Extension #2- Act. 74 pg. E-10 • Act. 74- 2/17/14 • Answer challenge question with complete sentences • Act. 75- 2/18/14 Answer challenge questions with complete sentences

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