1 / 34

Scientific Problem Solving

Scientific Problem Solving. The 4 Step Method. Objective. The learner will be able to describe the purpose and requirements for each of the 4 main steps in the technique for problem solving. Overview. Step 1: “Show What You Know” Step 2: “Isolate” Step 3: “Plug-n-Play” Step 4: “Solve”

cheche
Télécharger la présentation

Scientific Problem Solving

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Scientific Problem Solving The 4 Step Method

  2. Objective • The learner will be able to describe the purpose and requirements for each of the 4 main steps in the technique for problem solving.

  3. Overview • Step 1: “Show What You Know” • Step 2: “Isolate” • Step 3: “Plug-n-Play” • Step 4: “Solve” • Review • Sample 1 • Sample 2

  4. Step 1: “Show What You Know” • List relevant given information

  5. Step 1: “Show What You Know” • List relevant given information • Always Include Proper Units

  6. Step 1: “Show What You Know” • List relevant given information • Always Include Proper Units • Identify what must be found

  7. Step 2: “Isolate” • Fundamental Equation

  8. Step 2: “Isolate” • Fundamental Equation • Rearrange or isolate

  9. Step 3: “Plug-n-Play” • Insert Values

  10. Step 4: “Solve” • Calculate

  11. Step 4: “Solve” • Calculate • Scientific Value

  12. Step 4: “Solve” • Calculate • Scientific Value • Highlight

  13. Review • Step 1: Show what you know • Step 2: Isolate • Step 3: Plug-n-Play • Step 4: Solve

  14. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed?

  15. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 1: • d = 800.0 m • t = 2.5 min • v = ?

  16. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 1: • d = 800.0 m • t = 2.5 min Convert to seconds • v = ?

  17. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 1: • d = 800.0 m • t = 3.5 min x 60 s/min = 210 s • v = ?

  18. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 1: • d = 800.0 m • t = 2.5 min x 60 s/min = 150 s • v = ? Focus of the question

  19. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 2: • Already solved for v

  20. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 2: • Already solved for v • Step 3:

  21. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • Step 2: • Already solved for v • Step 3: • Step 4:

  22. Sample 1 • A person runs 800.0 m in 3.5 minutes, what was their speed? • All together • d = 800.0 m • t = 3.5 min x 60 s/min = 210 s • v = ? : Step 2 Step 3 Step 1 Step 4

  23. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration.

  24. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration. • Step 1: • F = 25.0 N • m = 200.0 g • d = 25.0 m • a = ?

  25. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration. • Step 1: • F = 25.0 N Fundamental Unit • m = 200.0 g • d = 25.0 m • a = ?

  26. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration. • Step 1: • F = 25.0 N Fundamental Unit • m = 200.0 g Convert to kg • d = 25.0 m • a = ?

  27. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration. • Step 1: • F = 25.0 N Fundamental Unit • m = 200.0 g / 1000 = 0.2000 kg • d = 25.0 m • a = ?

  28. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration. • Step 1: • F = 25.0 N Fundamental Unit • m = 200.0 g / 1000 = 0.200 kg • d = 25.0 m Fundamental Unit • a = ?

  29. Sample 2 • A 25.0 N force is used to push a 200.0 g object 25.0 m. Determine the acceleration. • Step 1: • F = 25.0 N Fundamental Unit • m = 200.0 g / 1000 = 0.200 kg • d = 25.0 m Fundamental Unit • a = ? Focus of the Question

  30. Sample 2 • Step 2: • F = m•a Fundamental equation

  31. Sample 2 • Step 2: • F = m•a Fundamental equation • Solve for acceleration

  32. Sample 2 • Step 2: • F = m•a Fundamental equation • Solve for acceleration • Step 3: • Plug in known values

  33. Sample 2 • Step 2: • F = m•a Fundamental equation • Solve for acceleration • Step 3: • Plug in known values • Step 4: • The acceleration of the object is 125 m/s2

  34. Sample 2 • All Together: • F = 25.0 N • m = 200.0 g / 1000 = 0.2000 kg • d = 25.0 m • a = ? • F = m•a • a= 125 m/s2 Step 1 Step 2 Step 3 Step 4

More Related