Student Name: ________________________________________

Year _______________________________________________Term 2, 2015

Information Technology Communication

Introduction to Scratch

1

Digital Technologies Knowledge and Understanding

Explore and use a range of digital systems with peripheral devices for different purposes, and transmit different types of data. (ACTDIK007)

Working below year level

Working at year level

Working above year level

Digital Technologies Processes and Production Skills

Define simple problems, and describe and follow a sequence of steps and decisions (algorithms) needed to solve them. (ACTDIP010)

Implement simple digital solutions as visual programs with algorithms involving branching (decisions) and user input (ACTDIP011)

Scratch is an introduction to basic computer programming. Through experimentation, trial-and-error children achieve the set goals.

Sprites are characters.

Getting started with Scratch.

Simple Commands

1. Click on the blue Motion button in the top of the Blocks Palette.

2. Drag the first block, onto the Scripts Area. 3. Click on the blue block that you placed in the Scripts Area. 4. The cat Sprite on the stage should move a little from left to right.

5. You have issued your first command in Scratch. 6. Click on the ‘10’ in the blue block in the Scripts Area and adjust the

value.

7. Click again on the block and see how the Sprite moves more or less distance.

8. The Sprite can be dragged back to any part of the stage when necessary.9. Click the Sprite and drag it back. 10. When you are done drag the blue block back into the palette to make it

disappear from view.

Simple Command Sequences

2

Script blocks can be assembled into groups for sequences of commands.

1. Drag out block and then drag out a

and move it toward the bottom of the first block.When they are close enough they should snap together.

2. Test the action of that sequence by clicking on it. The sprite should move and turn with each click.

3. Adjust the distance – move 50 steps.

4. Adjust turn to 90 degrees.

5. Test the action by clicking on it. The sprite will move and turn 90 degrees, a right angle.

6. Drag the command blocks back to the palette.

7. Reset the sprite to its original position by clicking on point in direction 90.

Repeating command sequences

1. Drag out 1 block.

3

2. Click on the pink Sound button in the top of the palette area.

3. Drag out 1 block.

3. Click on the blue Motion button.

4. Drag out another . Change the value to -10.

5. Click on the pink Sound button. .

6. Drag out another block.7. Select a different drum sound.

8. Assemble the blocks into a sequence as shown. 9. Test your sequence by clicking on the assembled blocks. The sprite should move to and fro with two sounds.

10. Now click on the orange Control button in the top of the palette area.

11. Drag out a block and drop it onto the existing sequence of 4 blocks so that the jaws wrap around the other blocks.

12. Click anywhere on the assembled block to test your program. Click again on the blocks or on the red button at top right of the stage to stop the

action.

4