Middle School course

Programming 301

  • GRADES 7-8
  • BEGINNER
  • WEB
  • 17 LESSONS
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Answer Key

Module 2: Multiple Lives 1

Open Sample Project

Module 3: Multiple Lives 2

Open Sample Project

Module 4: Let There Be Lives

Module 5: Boss Battle

Open Sample Project

Module 6: Quiz

1. Which of these code blocks is considered a loop?

  • {"func":"blockControlForever","containers":[null]}
  • {"func":"blockSoundPlay","values":[{"type":"string","value":""}]}
  • {"func":"blockControlWait","values":[{"type":"number","value":"1"}]}
  • {"func":"blockLooksSwitchCostume","values":[{"type":"string","value":""}]}

2. What do these code blocks do to an Actor? {"func":"registerFlagTrigger","next":{"func":"blockLooksShow","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"knight"}]}],"next":{"func":"blockLooksHide"}}}}

  • If the knight touches the Actor, the Actor will disappear
  • If the knight touches the Actor, the knight will disappear
  • When the Play button is pressed, the Actor will show for a second or two before hiding
  • When the Play button is pressed, the Actor will disappear, then reappear when the knight touches the Actor

3. What do these code blocks do to an Actor? {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"knight"}]}],"next":{"func":"blockControlForever","containers":[{"func":"blockMotionGoTo","values":[{"type":"wrapper","func":"valueSensingSpriteProperty","values":[{"type":"choice","value":"x position"},{"type":"string","value":"knight"}]},{"type":"wrapper","func":"valueOpAdd","values":[{"type":"wrapper","func":"valueSensingSpriteProperty","values":[{"type":"choice","value":"y position"},{"type":"string","value":"knight"}]},{"type":"number","value":"200"}]}]}]}}}

  • When the knight touches the Actor, the Actor will follow the knight around, hovering over the knight's head
  • When the knight touches the Actor, the Actor will follow the knight around, following behind the knight
  • When the knight touches the Actor, the knight will follow the Actor around, hovering over the Actor
  • When the knight touches the Actor, the knight will follow the Actor around, following behind the Actor

4. Laura wants to program a gem that the valkyrie can collect. When the valkyrie picks up the gem, it'll appear in the upper left corner of the screen. Which of these code blocks would help her program the gem?

  • {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"valkyrie"}]}],"next":{"func":"blockMotionGoTo","values":[{"type":"number","value":"-500"},{"type":"number","value":"300"}]}}}
  • {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"gem"}]}],"next":{"func":"blockMotionGoTo","values":[{"type":"number","value":"-500"},{"type":"number","value":"300"}]}}}
  • {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"valkyrie"}]}],"next":{"func":"blockMotionGoTo","values":[{"type":"number","value":"-500"},{"type":"number","value":"-300"}]}}}
  • {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"valkyrie"}]}],"next":{"func":"blockLooksHide"}}}

5. Frank is creating an animation where his characters are in a relay race. When one runner reaches the next, she passes the baton to the second runner. What code blocks can Frank use to program runner2 to make sure that runner2 doesn't start until runner1 reaches her?

  • {"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"runner1"}]}]}
  • {"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"runner2"}]}]}
  • {"func":"blockControlWait","values":[{"type":"number","value":"1"}]}
  • {"func":"blockLooksSwitchCostume","values":[{"type":"string","value":"runner1"}]}

6. Joseph wants to program the gem to hide when the knight collects it. Which code blocks will help him do that?

  • {"func":"registerFlagTrigger","next":{"func":"blockLooksShow","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"knight"}]}],"next":{"func":"blockLooksHide"}}}}
  • {"func":"registerFlagTrigger","next":{"func":"blockLooksShow","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"mouse-pointer"}]}],"next":{"func":"blockLooksHide"}}}}
  • {"func":"registerFlagTrigger","next":{"func":"blockLooksShow","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"edge"}]}],"next":{"func":"blockLooksHide"}}}}
  • {"func":"registerFlagTrigger","next":{"func":"blockLooksShow","next":{"func":"blockControlWait","values":[{"type":"number","value":"1"}],"next":{"func":"blockControlIf","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"knight"}]}],"containers":[{"func":"blockLooksHide"}]}}}}

7. Which of these code blocks contains a nested loop?

  • {"func":"registerFlagTrigger","next":{"func":"blockControlForever","containers":[{"func":"blockControlRepeat","values":[{"type":"number","value":"10"}],"containers":[{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}]}]}}
  • {"func":"registerFlagTrigger","next":{"func":"blockControlForever","containers":[{"func":"blockControlIf","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"up arrow"}]}],"containers":[{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}]}]}}
  • {"func":"registerKeyTrigger","values":[{"type":"choice","value":"up arrow"}],"next":{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}}
  • {"func":"registerSpriteTrigger","next":{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}}

8. What would happen if you removed the {"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"space"}]}]} block from this code block?{"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"space"}]}],"next":{"func":"blockLooksNextCostume"}}}

  • The Actor would change Costumes as soon as the program started
  • The Actor would change Costumes when space was pressed
  • The Actor would change Costumes when the mouse was clicked
  • The Actor would never change Costumes

9. What is the difference between the {"func":"blockControlWait","values":[{"type":"number","value":""}]} and {"func":"blockControlWaitUntil","values":[{"type":"boolean","value":""}]} blocks?

  • The {"func":"blockControlWait","values":[{"type":"number","value":""}]} block waits for a specified amount of time, while the {"func":"blockControlWaitUntil","values":[{"type":"boolean","value":""}]} block waits for a condition to be fulfilled.
  • The {"func":"blockControlWait","values":[{"type":"number","value":""}]} block waits for a condition to be fulfilled, while the {"func":"blockControlWaitUntil","values":[{"type":"boolean","value":""}]} block waits for a specified amount of time.
  • The {"func":"blockControlWait","values":[{"type":"number","value":""}]} and {"func":"blockControlWaitUntil","values":[{"type":"boolean","value":""}]} blocks both wait for a condition to be fulfilled.
  • The {"func":"blockControlWait","values":[{"type":"number","value":""}]} and {"func":"blockControlWaitUntil","values":[{"type":"boolean","value":""}]} blocks both wait for a specified amount of time.

10. What would you need to do to play a sound using this code block? {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"space"}]}],"next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"space"}]}],"next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"space"}]}],"next":{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}}}}}

  • You would need to press space three times
  • You would need to press space once
  • You would need to click with the mouse once
  • You would need to press the up arrow key

11. What makes up a nested loop?

  • At least one loop inside of another loop
  • One loop placed after another loop
  • At least one If statement inside of a loop
  • At least one Wait statement inside of a loop

12. True or False: This code block is a nested loop. {"func":"registerFlagTrigger","next":{"func":"blockControlRepeat","values":[{"type":"number","value":"10"}],"containers":[{"func":"blockMotionMove","values":[{"type":"number","value":"10"}]}],"next":{"func":"blockControlForever","containers":[{"func":"blockLooksNextCostume"}]}}}

  • True
  • False

13. True or False: This code block plays the sound every time space is pressed. {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingKeyPressed","values":[{"type":"choice","value":"space"}]}],"next":{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}}}

  • True
  • False

14. True or False: You can have multiple loops inside one another.

  • True
  • False

15. True or False: You can only use nested loops once.

  • True
  • False

16. What would happen if you removed the {"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingMouseDown"}]} block from this code block?{"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingMouseDown"}],"next":{"func":"blockLooksNextCostume"}}}

  • The Actor would change Costumes as soon as the program started
  • The Actor would change Costumes when the device was tilted forward
  • The Actor would change Costumes when the screen was touched
  • The Actor would never change Costumes

17. True or False: This code block plays the sound every time the screen is touched. {"func":"registerFlagTrigger","next":{"func":"blockControlWaitUntil","values":[{"type":"wrapper","func":"valueSensingMouseDown"}],"next":{"func":"blockSoundPlay","values":[{"type":"string","value":"beep"}]}}}

  • True
  • False

U.S. Standards

  • CCSS-Math: 6.NS.C.6, MP.1, MP.2, MP.4
  • CCSS-ELA: RI.7.4, RI.8.4, 6-8.RST.3, 6-8.RST.4, 6-8.RST.7
  • CSTA: 2-AP-10, 2-AP-12, 2-AP-13, 2-AP-15, 2-AP-16, 2-AP-17
  • CS CA: 6-8.AP.12, 6-8.AP.13, 6-8.AP.15, 6-8.AP.16, 6-8.AP.17
  • ISTE: 1.c, 1.d, 4.d, 5.c, 5.d, 6.b

U.K. Standards

Key stage 3
Pupils should be taught to:
  • design, use and evaluate computational abstractions that model the state and behaviour of real-world problems and physical systems
  • understand several key algorithms that reflect computational thinking [for example, ones for sorting and searching]; use logical reasoning to compare the utility of alternative algorithms for the same problem
  • undertake creative projects that involve selecting, using, and combining multiple applications, preferably across a range of devices, to achieve challenging goals, including collecting and analysing data and meeting the needs of known users
  • create, reuse, revise and repurpose digital artefacts for a given audience, with attention to trustworthiness, design and usability
  • understand a range of ways to use technology safely, respectfully, responsibly and securely, including protecting their online identity and privacy; recognise inappropriate content, contact and conduct, and know how to report concerns
Key stage 4
All pupils must have the opportunity to study aspects of information technology and computer science at sufficient depth to allow them to progress to higher levels of study or to a professional career. Pupils should be taught to:
  • develop their capability, creativity and knowledge in computer science, digital media and information technology
  • develop and apply their analytic, problem-solving, design, and computational thinking skills
  • understand how changes in technology affect safety, including new ways to protect their online privacy and identity, and how to report a range of concerns

Lesson 8: Nested Loops

Course: | Web

  • Concepts
  • Multiple Lives 1
  • Multiple Lives 2
  • Let There Be Lives
  • Boss Battle
  • Quiz

Description

An advanced introduction to programming for middle school. Introduce programming fundamentals to your class as they build two arcade-inspired games from start to finish. The Adventure Game features a knight who has to defeat enemies to reach treasure. Students program arrow keys, fluid motion, hero and enemy behavior, and winning conditions. In Dragon Attack, they define multiple levels and lives, and program a boss enemy, while learning about variables and cloning.

Topics

  • Events
  • Keyboard and mouse interaction
  • Conditional loops
  • Nested loops
  • Sending and receiving messages
  • Fluid motion
  • Parallax scrolling
  • Local and global variables
  • Functions
  • Object cloning
1/7

Build complex games rapidly using visual programming

What Students Learn

  • Build complex multi-level games
  • Use variables to keep score
  • Use cloning to create actors programmatically
  • Build algorithms using complex conditional logic
  • Understand parallelism with multiple scripts
  • Program different behaviors for different actors
  • Publish projects to the Web
  • Troubleshoot and debug programs

Technical Requirements

* Online courses require a modern desktop computer, laptop computer, Chromebook, or Netbook with Internet access and a Chrome (29+), Firefox (30+), Safari (7+), or Edge (20+) browser. No downloads required.

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