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1/20-1/21 Sci 8

CATALYST (10 minutes, individual work): Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? LEVEL ZERO VOICE CATALYST (10 minutes, individual work): Ms Klossner added chemical A to chemical B and formed chemical AB2. She found AB2 was hot. Please write a balanced chemical equation for the reaction and draw an energy/reaction time graph for this reaction. Miss Klossner put AB2 in water and found it had a pH of 3. What does that tell us about the compound? What does it tell us about the concentration of hydronium and hydroxide ions in the solution AGENDA Lecture Activity HOMEWORK Finish worksheet

Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? AGENDA Lecture Activity HOMEWORK Finish worksheet Position: the direction and distance the object is from a point of reference Needs to be given relative to something else Reference Point: starting point used to describe the position of an object

Words to use for position Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? AGENDA Lecture Activity HOMEWORK Finish worksheet Words to use for position

Words to use for position Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? Words to use for position AGENDA Lecture Activity HOMEWORK Finish worksheet Up down Left right North, south, east, west

What is the position of the rabbit? What reference point can we use? Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? AGENDA Lecture Activity HOMEWORK Finish worksheet What is the position of the rabbit? What reference point can we use?

Determining position To describe position of an object, need: Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? Determining position AGENDA Lecture Activity HOMEWORK Finish worksheet To describe position of an object, need: Distance from the reference point Direction from the reference point Vector: a quantity that is both a size and a direction

Vector: a quantity that is both a size and a direction Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? Vector: a quantity that is both a size and a direction The direction of the vector is the direction from the reference point, the length of the arrow represents the size of the vector AGENDA Lecture Activity HOMEWORK Finish worksheet

Displacement: difference between initial position and final position Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? AGENDA Lecture Activity HOMEWORK Finish worksheet Displacement: difference between initial position and final position is a vector (size and direction)

Difference between distance and displacement Distance is how far you traveled Displacement is the difference between where you started and where you end up Red dotted line is where the person walked (distance) Black line is the displacement (difference between starting and ending

PROCESSING TASK (10 minutes, individual work): Assignment #1 (New Unit: Motion) Vectors and Displacement LO: To describe a vector. To find displacement given a set of information. EQ: What is a vector? LEVEL ZERO VOICE PROCESSING TASK (10 minutes, individual work): You will be navigating a person (me) around the room using vectors. Point of reference: _________ One foot in front of the middle of the white board. Step 1: Two steps south. Step 2: 10 steps east. Step 3: Ending point: ________ What is distance travelled? What is approximate displacement? AGENDA Lecture Activity HOMEWORK Finish worksheet