Access the "Learn Scratch" website and select Video Courses Scratch 2 Unit 1 ( 1-6 lessons).
http://learnscratch.org/video-courses/scratch-2
Complete:
Lesson 1 - Move, Turn and Point
Objective: To learn how to move a sprite, how to turn, and how to point into a given direction or another sprite.
Tutorial Part 1: Move and Turn
Tutorial Part 2: Pointing
Lesson 2 - Go and Glide, Changing Positions
Objective: To learn how to control the glide movement of sprites and the change of their position on the stage.
Tutorial Part 1: Go and Glide
Tutorial Part 2: Changing Positions
Lesson 3 - Bouncing, Locating the Sprite
Objective: To learn how to control the bounce of the sprite when it reaches the edges of the stage, and how to report its location and direction.
Tutorial Part 1: Bouncing
Tutorial Part 2: Locating the Sprite
Lesson 4 - Changing Costumes
Objective: To learn how to select the next costume of the sprite or any of the its predefined costumes, and to change the stage's background.
Tutorial Part 1: Change of Costumes
Tutorial Part 2: Change of Backgrounds
Lesson 5 - Speaking, Thinking and Graphic Effects
Objective: To learn how to display text messages via the sprites (speech and thought), and how to produce graphic effects.
Lesson 6 - Size, Presence and Layers
Objective: To learn how to control the size, the visible presence and relative layer location of sprites.
Tutorial Part 1: Changing Size
Tutorial Part 2: Show and Hide
Tutorial Part 3: Controlling Layers
Record important procedures and key processes in your notebook (as a virtual lab entry) in enough detail that you could repeat your actions without watching the video tutorials. . . . you will use these entries as a reference guide in the future when working with SCRATCH.
Source: HTTP://LEARNSCRATCH.ORG/
Each Lesson Tutorial has one or more "Extension" activities relating to it (these are listed on the bottom of each Lesson page).