VII B SCIENCE 12.MOTION AND TIME (TOPIC THOUGHT AND HOMEWORK)27/07/2021

 

DATE: 22/7/2021

GRADE: 7B

CHAPTER: MOTION AND TIME

TOPICS TAUGHT:  

  • DIAGNOSTIC TEST(GOOGLE FORM)GOOGLE CLASSROOM
  • INTRODUCTION
  • TIME

HOMEWORK: REVISE THE TOPICS TAUGHT


DATE: 23/7/2021

GRADE: 7B

CHAPTER: MOTION AND TIME

TOPICS TAUGHT:  

  • define time 
  •  the importance of measurement
  •  the SI units of measuring mass, time, length and temperature

Measuring Time

There are many events in nature that repeat after a time interval:

  • Morning – The rising of the sun

  • Day and Night – The time between the sunrise and sunset

  • Month – The time between two new moons

  • Year – The time the earth takes to complete its one revolution around the sun

Time measuring devices or clocks - Clocks use the concept of periodic motion to measure time. It means that it uses motion that repeats itself in equal amounts of time. There are different types of time measuring devices. 



sundial clock

 
 
 
 
 
sand clock



DATE: 27/7/2021

GRADE: 7B

CHAPTER: MOTION AND TIME

TOPICS TAUGHT: SPEED .TIME AND DISTANCE

 

WHAT IS DISTANCE ?

WHAT IS SPEED?

WHAT IS TIME?


 




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