Friday, February 27 starter • Turn to page 80. • Copy and answer questions 1 and 2. Directions • Create an informational poster on position-time graphs. • 1. Write your name ,date and class color in the upper right corner. • 2. Write the title on the top of your paper, “POSITION - TIME GRAPHS” • 3. DIVIDE THE paper into thirds – The top 1/3 is for the graph – The middle 1/3 is the caption – The bottom 1/3 is for the answers • 4. TURN TO PAGE 70 AND 71. • 5. FOR EACH SQUARE: • a. label description of motion • b. draw and describe graphs. Position-Time Graph Time Time Title: An object at rest Time Time Title Title Title If an object is For an object When the at rest, the with constant object is position … speed … speeding … When the object is slowing … Example: A student in a chair Example Example Example Bottom 1/3 of paper • Copy and answer these questions: • 1. What do you think “at rest” means? • 2. What is the difference between linear and non linear? • 3. What is another word for position? • 4. The position increases non linearly with time for both objects speeding up and slowing down. Why do these lines look different? summarize • 3: write down 3 things that are similar among all four graphs. • 2: write down 2 things that are different among the four graphs. • 1: draw the graph which shows constant speed and explain why.