Warm up # 20. Table of Contents TC1
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1 Warm up # 20 Try and describe where something is located in class. Table of Contents TC1 Assignments Page # 7. Textbook scavenger hunt 8. Bubble gum lab 9. Averages 10. Scientific method quiz 11. Motion notes 1
2 Motion Notes 2
3 Standard 1.a. Students know position is defined in relation to a reference point and a set of reference directions. Reference directions include distance. Bart is 1 meter below his Hot Cheetos. 1 meter the location of that place or object. 3
4 How would you describe the position of an object? Reference point A location or point to which you compare another location The team is 10 yards away from the goal. 4
5 North 5
6 North East North East South 6
7 North West East South
8 North West East South North West North West East South 8
9 North West North North East West East South North West North North East West East South South East 9
10 North West North North East West East South West South South East 3 things you need to describe an objects position: 1. Reference point 2. Direction 3. Distance I am 4 blocks west of school 10
11 Standard 1.a. Students know position is defined in relation to a reference point and a set of reference directions. Reference directions include distance. Bart is 1 meter below his Hot Cheetos. 1 meter Standard 1.a. Students know position is defined in relation to a reference point and a set of reference directions. Reference directions include distance. Bart is 1 meter South East of his Hot Cheetos. 1 meter 11
12 Activity Location of students Location of objects Location of school building. MOTION VOCABULARY MOTION: Change in position. SPEED: Rate of change of position. The business man climbed 6 stairs in 3 seconds. His speed was. 12
13 CONSTANT SPEED : Speed that does not vary or change. A ship travels at a constant speed on the open sea. INSTANTANEOUS SPEED : An object's speed at a specific instant in time. The Ferrari's instantaneous speed was 160 km/hr when it passed the police car. 13
14 Average Speed: Total distance traveled divided by the time it took to travel that distance. AVERAGE SPEED = DISTANCE TIME Ex: We traveled 180 km in 3 hours. Our average speed was. 180 km 3 hours =? STANDARD 1.c. Students know how to solve problems involving distance, time, and average speed. S D T speed = distance time distance = speed X time distance time = speed 14
15 PRACTICE 1. A soccer ball rolls downhill at a rate of 10 m/s. How far will it roll in 15 seconds? 2. Michael swims at a rate of 4m/s. How long will it take him to swim 100m? 15
16 3. How long will it take a snail to travel 2 meters if it crawls at a rate of.25m/minute? 4. If a cheetah is running at its top speed of 27m/s, how far will it run in 4 seconds? 16
17 STANDARD 1.d. Students know the velocity of an object must be described by specifying both the direction and the speed of the object. The horses are running at a speed of 50 km/hr. The horses are running at a velocity of 50 km/hr west. Examples of Velocity The airplane is flying 1000 km/hr east. The hurricane is moving west at 94 km/hr. 17
18 STANDARD 1.e. Students know changes in velocity may be due to changes in speed, direction, or bot h. Examples of Changes in Velocity A man walks at a constant speed around a track. A girl walks more slowly as she texts her friend. A car slows down to make a tight turn. 18
19 Velocity has both a speed and a direction. The length of the arrow represents the speed of the object. The direction of the vector represents the object's direction. 80 km/hour to the left 1 m/min. up The baseball's motion can be illustrated by a vector. 50 m/s 1 m/s The spider's motion can be illustrated as a vector. 19
20 20
Table of Contents STANDARD 1.F.
Table of Contents TC Assignments Page # 7. Textbook scavenger hunt 8. Bubble gum lab 9. Averages. Scientific method quiz. Averages handout. Motion Position notes. Speed and Graphing STANDARD.F. Students
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