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Warm Up

Warm Up. Glue quiz to p. 38 RIGHT On p. 38 LEFT, draw a picture that represents your Mars module and your energy source. Engage – In space…. Read article “How do you…in space” together. Show Life on ISS http://www.youtube.com/watch?v=FdQA-pE2luQ. Warm Up.

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Warm Up

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  1. Warm Up • Glue quiz to p. 38 RIGHT • On p. 38 LEFT, draw a picture that represents your Mars module and your energy source.

  2. Engage – In space… Read article “How do you…in space” together. Show Life on ISS http://www.youtube.com/watch?v=FdQA-pE2luQ

  3. Warm Up • Update TOC – notebooks due Friday! • Label p. 39 RIGHT • Get stuff from modules (if needed) Force and Motion Unit Cover Page

  4. EXPLORE – Student Stations Students will jigsaw the following 6 key concepts (each group gets one) and make a mini-poster (colored paper). 1. Glue slip to sheet. 2. Circle vocabulary words from the slip and list their meaning in your own words. 3. Draw 1 picture explaining the key concept. 4. Create/design an activity that could be used for a station in the classroom which allows other students to learn this concept. List supplies needed and numbered understandable steps for completing the activity. Make sure you use the metric system if you have them measure! 5. Pick the best ones that show all the concepts and students will travel through the stations completing the activity and recording their observations. Finish pamphlet

  5. * Key Concept 1: A force is a push or a pull that changes the motion of an object. * Key Concept 2: Motion is a change in an object’s position, direction, or location. * Key Concept 3: An object in its rest position stays in its resting position until an unbalanced force acts upon it. * Key Concept 4: An object in motion will move in the same direction and at the same speed until an unbalanced force acts upon it. * Key Concept 5: Speed is a measurement of the rate of change of position with respect to time. * Key Concept 6: Average speed is calculated by dividing the distance an object traveled by the specified amount of time it took the object to travel the distance (s=d/t). * Key Concept 7: A distance and time graph illustrates changes in motion. Time, measured in seconds, is graphed on the x-axis and distance, measured in meters, is graphed on the y-axis.

  6. Your Group Will Create a Mini-Poster For Your Key Concept * Glue slip to sheet. * List vocabulary words from the slip and their meaning. * Draw 1 picture explaining the key concept * Create an activity that could be used for a station in the classroom which allows students to learn this concept. List supplies needed and steps for completing the activity.

  7. Fundamental Questions • What is force? What is motion? • What is the difference between balanced and unbalanced forces? • How can unbalanced forces change the motion of an object?

  8. Supplies • Index cards • Cups • Pennies • Bowling ball • Basketball • Broom • Inertia hat (tennis balls/coat hanger) • Newton apple • Spring scales • Masses • Balance

  9. Funny Cats Force and Motion Notes 1

  10. Force and Motion Notes Warm Up - Set Up Next RIGHT Page MOTION FORCE BALANCED FORCES INERTIA UNBALANCED FORCES FOLD AND OPEN WRITE VOCAB CUT FLAPS • Fold page • Put vocab word on INSIDE LEFT • Put main definition on OUTSIDE • Put extra info and examples on INSIDE RIGHT

  11. MOTION a change in an object’s position, direction, or location. ex: An ant moved 15 cm (distance). ex: The car traveled 86 km South (distance and direction) B A

  12. FORCE: a push or a pull shown with an • Measured with a spring SCALE in Newtons • Ex: 9.8 N Brainpop: Force United Streaming: Effects of Forces on Speed (4:40) Newton Apple

  13. How to Read a Spring Scale Spring scales Masses

  14. http://mars.jpl.nasa.gov/msl/mission/launchvehicle/

  15. Forces can be balanced or unbalanced Ex: You ran out of gas…

  16. Balance BALANCED FORCES • all forces acting on an object are equal (object is at rest or constant motion) • Ex: tug of war (no one winning), object at rest

  17. Inertia • When forces are balanced, it seems like there is no force • An object at rest stays at rest (until an unbalanced force acts upon it). • Called inertia (laziness) by Newton [Newton’s 1st Law of Motion] Index card Cup Penny Inertia hat Awesome Inertia Videos

  18. Bucket Check • 2 masses • 2 spring scales • 1 cup • 1 penny • 1 index card

  19. Warm Up • On p. 40 LEFT, write the word “INERTIA” • Fill in at least 3 of the letters to make an acrostic. I N E R T I A

  20. Inertia • An object in motion will move in the same direction and at the same speed (until an unbalanced force acts upon it.) • Called inertia (laziness) by Newton [Newton’s 1st Law of Motion] Fun in Space

  21. Inertia in both cases!

  22. Inertia depends on mass • Objects keep doing what they are doing. • It is harder to change their motion if they have more mass. Broom and Spheres

  23. Even objects at rest or in constant motion (not accelerating) have forces acting on them but they are balanced!

  24. If the book is not moving, which of the following accurately describes the forces acting on the book and table shown in the diagram above? A The book exerts more force on the table than the table exerts on the book. B The table exerts more force on the book than the book exerts on the table. C The forces are balanced. D The forces are unbalanced.

  25. UNBALANCED FORCES one or more forces acting on an object are stronger than others • Unbalanced forces cause a change in motion (speed up, slow down, or change direction - acceleration [Newton’s 2nd Law]) • Ex: gravity, friction, tug of war (winning)

  26. Ex: empty v. full shopping cart • Do you push each cart with the same force? • Do the carts have the same motion? • What do you think would happen in space? (pushing v. lifting)

  27. Friction is an unbalanced force • Friction is the force that stops motion. • Friction is caused by surface bumps. • Friction “produces” heat (thermal energy)

  28. Gravity is an unbalanced force • Gravity is the force that always pulls you down (or toward the Earth) • It is also the reason why our solar system looks the way it does.

  29. Engage 2 – Inertia in space… Sleeping in Space Living in Space Short (show from 4:45)

  30. Warm Up • On p. 40 LEFT • Fill in the rest of the letters to make your acrostic. I N E R T I A

  31. Force Stations Set up Next RIGHT Page

  32. Force Stations with kid add-ons 1. List all of the words that show direction that you can. (inertia hat) 2. Use the compass to determine which direction (N, S, W, or E) that this part of the room is facing. [Hold the compass until the needle stops. Rotate the compass so that the red lines up with north. Then figure out which direction you are facing.]

  33. 3. This object is at rest. What is keeping it there? (2 words) 4. This object is at rest. What would change its motion? (2 words) 5. List all the forces you know of.

  34. 6. Use a spring scale to measure the force of the objects at the station. 7. Use the broom to gently move the basketball and bowling ball. What property makes the bowling ball harder to move than the basketball? Why does it have that property?

  35. 8. Key Concept 1 9. Key Concept 2 10. Key Concept 3 11. Key Concept 4 12. Key Concept 5

  36. Force Stations with kid add ons 1. List all of the words that show direction that you can. (NSEW, up/down, right/left etc.) 2. Use the compass to decide which direction (N, S, W, or E) that this part of the room is facing. [Hold the compass until the needle stops. Rotate the compass so that the red lines up with north. Then figure out which direction you are facing.]

  37. 3. This object is at rest. What is keeping it there? (2 words) balanced forces 4. This object is at rest. What would change its motion? (2 words) unbalanced force 5. List all the forces you know of. Push/pull, gravity, friction, magnetism, normal, air resistance…

  38. 6. Use a spring scale to measure the force of the objects at the station. scissors = 0.49 N (0.5 N) 1000g mass = 9.9 N (10.0 N) conductometer = 1.15 N 7. Use the broom to gently move the basketball and bowling ball. What property makes the bowling ball harder to move than the basketball? inertia Why does it have that property? More mass

  39. 8. Key Concept 1 9. Key Concept 2 10. Key Concept 3 11. Key Concept 4 12. Key Concept 5

  40. Warm ups • Why is a force represented as an arrow? • An unbalanced force causes a change in motion. Copy that statement and explain what it means in your own words.

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