Download - Motion and speed g3
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Ch.9, Lesson 1Motion and Speed
• Check for understand:• 1-What is motion?• 2-What is distance? How is it
measured?• 3-three children live in the
same street: Lara lives west to Sara. Sara lives east to Tala. Tala lives west to Lara. Draw a map for their street.
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
How do we know if something has moved?
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
• You can say that something has moved if it has changed position.
• is the location of an object.
When object started at one end and stopped at another it changed position.
Vocabulary:PositionDistanceMotionspeed
position.
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Ch.9, Lesson 1Motion and Speed
• .
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
• You can describe an object’s position by comparing it with the position of other objects.
• You can use the words:• Above• Below• Left• Right• behind
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
• How can we measure motion?
• Vocabulary:PositionDistanceMotionspeed
- Motion can be fast or slow.
Distance
-It is how far an object is from one position to another.Measuring the length between starting position and ending position give you the distance.- Measured by: Ruler & Measuring tape
- Units: Cm, meters & kilometers.
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Ch.9, Lesson 1Motion and Speed
Vocabulary:PositionDistanceMotionspeed
How do we measure motion?
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Ch.9, Lesson 1Motion and Speed
• Some motions are very slow like the moving of snail.
Some motions are fast like cheetah.
A cheetah runs faster than a person.
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
• The cheetah has a greater speed.
• Is how fast an object moves over a certain distance.
Vocabulary:PositionDistanceMotionspeed
speed.
-It is the distance an object moves in a certain time.
Speed = Distance/Time So to measure speed you need to measure time and distance.
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Ch.9, Lesson 1Motion and Speed
• Fast moving objects go long distance in a short period of time.
• ( 5 meters in 5 minutes)• Slow moving objects
takes longer to travel the same distance.
( 5 meters in 10 minutes)
Vocabulary:PositionDistanceMotionspeed
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Ch.9, Lesson 1Motion and Speed
• What do Maps tell you?
• is a flat drawing, it shows position of things.
• To read a map you need to use directions.
• North, South• East, West
Vocabulary:PositionDistanceMotionspeed
Map
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Ch.9, Lesson 1Motion and Speed
• Every map shows directions below, to help you find places.
• Map also has a key, to tell what the symbols stand for.
• Map also has a Scale, to help you Measure the real Distances between places.
Vocabulary:PositionDistanceMotionspeed