# reference position Sept 21, 2020

Reference position

Sept 21, 2020
Ms.Famin
1 / 15
Slide 1: Slide
Science Secondary Education

This lesson contains 15 slides, with interactive quizzes, text slides and 1 video.

## Items in this lesson

Reference position

Sept 21, 2020
Ms.Famin

#### Slide 1 -Slide

INSTRUCTIONS
Mute your mics do not on unless instructed
No discussions with each other only with teacher unless instructed
Write your names in the chat section
Raise your hands before talking

#### Slide 2 -Slide

unscramble THE WORDS

#### Slide 3 -Open question

objectives
1. Describe the reference direction in two dimensions
2. Compare distance and displacement

#### Slide 4 -Slide

Sometimes direction is described using the words positive
or negative. The reference direction is the positive (+) direction.
The opposite direction is the negative (-) direction.

#### Slide 5 -Slide

Locate your classmate's home [use directions ]

#### Slide 7 -Slide

If East is the reference direction, the museum is in _________ direction from the bus stop
A
positive
B
up
C
down
D
negative

#### Slide 8 -Quiz

If East is the reference direction, the library is in _________ direction from the bus stop
A
up
B
positive
C
negative
D
down

#### Slide 10 -Video

Observe the image
Which line represents distance and which represents displacement?
Give reason

#### Slide 11 -Slide

ANALYZE
The boy wants to move from point A to Point C.
How much is the displacement?
How much is the distance?

#### Slide 13 -Link

From 6:35 to 7:15, the tip of which hand of the clock experiences greater displacement?
A
the hour hand
B
the minute hand
C
both experience the same displacement
D
it depends on the reference point