Lesson 16

Build A Band, Build

Students will use event, loop, and sound blocks in Scratch to create interactive musical instruments they can click on to control.

Objectives

Computer Science Objectives

Students will create a program that combines sprites with sounds
Students will develop greater fluency with sequence, loops, events, and parallelism
Students will practice experimenting and iterating in building projects
Students will collaborate and present ideas

Language Objectives

Students will negotiate with others by offering opinions through the use of a variety of learned phrases
Students will support opinions using a variety of modal expressions to provide substantial support

Language Frames

Lesson 16 Language Frames Placemat

Emerging

___ .caused ___ .to happen

My ___ and ___ are running at the same time___

I used __ .to reset the program

I used ___ to make ___ repeat

Expanding

I had trouble with ___. However, ___

I learned ____.

____ is the event that caused...to happen

___ and __ are running parallel to each other

I used ___ to initialize the program

I used loops to ____

I learned ___ from looking at your code

Bridging

What I learn from the debugging process is that

I debugged the algorithm by ___

Could you help me fix the following challenge in my code ___.

Could you help me debug my code ___.

The event that caused ___ to happen is ___.

___ and ___ are running parallel to each other/simultaneously/ at the same time

___ caused the program to initialize

I used loops to ___ which makes my program more efficient

From looking at your code,

I learned ___

To modify your code, I would ___

Lesson Plan

Lesson 16: Build-a-Band Planning

Vocabulary

algorithm: A list of steps that you can follow to finish a task.
event: An action that causes something to happen.
initialization: Assign an initial (beginning) value to an object (or variable).
loops: The action of doing something over and over again.
parallelism: Making things happen at the same time.
program: An algorithm that has been coded into something that can be run by a machine.
sequence: A particular order of steps or events.

Materials

projector
computing devices for students
Student Workbook (p. 20-21) or handouts:

Build-a-Band: Planning & Building

Build-a-Band: Peer Feedback

Additional Resources

Build-a-Band choice board (optional)
Build-a-Band public Scratch studio for inspiration!
Level 1 Debugging Studio link
Debugging Challenge #2 solutions
Scratch Project Student Checklist

Standards

Computer Science

CSTA 1B-AP-10: Create programs that include sequences, events, loops, and conditionals.
CSTA 1B-AP-13: Use an iterative process to plan the development of a program by including others' perspectives and considering user preferences.
CSTA 1B-AP-15: Test and debug a program or algorithm to ensure it runs as intended.

English Language Arts

ELA SL.3.1: Engage effectively in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on grade 3 topics and texts, building on others' ideas and expressing their own clearly.
ELA SL.3.6: Speak in complete sentences when appropriate to task and situation in order to provide requested detail or clarification. (See grade 3 Language standards 1 and 3 here for specific expectations.)
ELA L.3.3: Use knowledge of language and its conventions when writing, speaking, reading, or listening.
ELA L.3.6: Acquire and use accurately grade-appropriate conversational, general academic, and domain-specific words and phrases, including those that signal spatial and temporal relationships (e.g., After dinner that night we went looking for them)

English Language Development

3. Offering opinions
11. Supporting opinions

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