Middle School course

Programming 301

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

Module 2: Boss Battle

Open Sample Project

Module 3: Boss Strikes Back

Open Sample Project

Module 4: You're the Boss

Module 5: Boss Rush

Open Sample Project

Module 6: Quiz

1. Which code block resets the health of the boss airship to 10 at the start of the program?

  • {"func":"registerFlagTrigger","next":{"func":"blockVarSet","values":[{"type":"string","value":"health"},{"type":"string","value":"10"}]}}
  • {"func":"registerFlagTrigger","next":{"func":"blockVarSet","values":[{"type":"string","value":"health"},{"type":"string","value":"0"}]}}
  • {"func":"registerFlagTrigger","next":{"func":"blockVarChangeBy","values":[{"type":"string","value":"health"},{"type":"number","value":"1"}]}}
  • {"func":"registerFlagTrigger","next":{"func":"blockVarChangeBy","values":[{"type":"string","value":"health"},{"type":"number","value":"10"}]}}

2. What kind of variable is the health of the boss airship?

  • Local variable
  • Global variable

3. Annie is programming the lasers that shoot from the boss airship. Which of these code blocks is used to create 5 clones of the laser that point in different directions?

  • {"func":"blockControlRepeat","values":[{"type":"number","value":"5"}],"containers":[{"func":"blockControlCloneActor","values":[{"type":"string","value":"self"}],"next":{"func":"blockMotionTurnCW","values":[{"type":"string","value":"30"}]}}]}
  • {"func":"blockControlRepeat","values":[{"type":"number","value":"5"}],"containers":[{"func":"blockControlCloneActor","values":[{"type":"string","value":"self"}],"next":{"func":"blockMotionTurnCW","values":[{"type":"string","value":"0"}]}}]}
  • {"func":"blockControlRepeat","values":[{"type":"number","value":"5"}],"containers":[{"func":"blockControlCloneActor","values":[{"type":"string","value":"airship"}],"next":{"func":"blockMotionTurnCW","values":[{"type":"string","value":"30"}]}}]}
  • {"func":"blockControlRepeat","values":[{"type":"number","value":"5"}],"containers":[{"func":"blockMotionTurnCW","values":[{"type":"string","value":"30"}],"next":{"func":"blockControlDeleteActor"}}]}

4. Torie wants to program the lasers for the boss airship. She wants the lasers to shoot every 5 to 10 seconds. Which code block can help her program the laser?

  • {"func":"blockControlWait","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"number","value":"5"},{"type":"number","value":"10"}]}]}
  • {"func":"blockControlWait","values":[{"type":"number","value":"5"}],"next":{"func":"blockControlWait","values":[{"type":"number","value":"10"}]}}
  • {"func":"blockControlWaitUntil","values":[{"type":"boolean","value":"false"}]}
  • {"func":"blockControlWait","values":[{"type":"wrapper","func":"valueOpRandom","values":[{"type":"wrapper","func":"valueSensingScreenLeft"},{"type":"wrapper","func":"valueSensingScreenRight"}]}]}

5. What does this code block do to the enemy boss airship Actor? {"func":"registerTrigger","values":[{"type":"wrapper","func":"valueSensingTouchingCloneOf","values":[{"type":"string","value":"fireball"}]}],"next":{"func":"blockVarChangeBy","values":[{"type":"string","value":"health"},{"type":"number","value":"-1"}],"next":{"func":"blockControlRepeat","values":[{"type":"number","value":"10"}],"containers":[{"func":"blockLooksChangeEffect","values":[{"type":"choice","value":"color"},{"type":"number","value":"25"}],"next":{"func":"blockControlWait","values":[{"type":"number","value":".05"}]}}],"next":{"func":"blockLooksClearEffects"}}}}

  • When the airship is hit by a fireball clone, it changes colors to show that it has been hit, and its health decreases by 1.
  • When the airship is hit by a fireball clone, it changes colors to show that it has been hit, and its health increases by 1.
  • When the airship is hit by the original fireball Actor, it changes colors to show that it has been hit, and its health decreases by 1.
  • When the airship is hit by the original fireball Actor, it changes colors to show that it has been hit, and its health increases by 1.

6. What does this code block do to the enemy boss airship Actor? {"func":"registerTrigger","values":[{"type":"wrapper","func":"valueOpLess","values":[{"type":"wrapper","func":"valueVar","name":"health"},{"type":"string","value":"1"}]}],"next":{"func":"blockSoundPlay","values":[{"type":"string","value":"explosion"}],"next":{"func":"blockLooksSwitchCostume","values":[{"type":"string","value":"explosion1"}],"next":{"func":"blockControlRepeat","values":[{"type":"number","value":"4"}],"containers":[{"func":"blockControlWait","values":[{"type":"number","value":".05"}],"next":{"func":"blockLooksNextCostume"}}],"next":{"func":"blockLooksHide"}}}}}

  • When the airship loses all its health, it plays its explosion sound and animation, then disappears.
  • When the airship loses all its health, it fades away and disappears.
  • Each time the airship gets hit by a fireball clone, it plays its explosion sound and animation, then disappears.
  • Each time the airship gets hit by a fireball clone, it fades away and disappears.

7. What would this code block do to the dragon Actor? {"func":"blockControlIf","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"airship"}]}],"containers":[{"func":"blockVarSet","values":[{"type":"string","value":"health"},{"type":"string","value":"0"}]}]}

  • If the dragon touches the airship, the dragon will lose all of its health.
  • If the airship touches the dragon, the airship will lose all of its health.
  • If the dragon touches the airship, the dragon will lose 1 life.
  • If the airship touches the dragon, the airship will lose 1 life.

8. What does this code block do to the enemy boss airship Actor? {"func":"registerFlagTrigger","next":{"func":"blockVarSet","values":[{"type":"string","value":"health"},{"type":"string","value":"20"}],"next":{"func":"blockControlForever","containers":[{"func":"blockMotionGlide","values":[{"type":"number","value":"4"},{"type":"number","value":"235"},{"type":"number","value":"245"}],"next":{"func":"blockMotionGlide","values":[{"type":"number","value":"4"},{"type":"number","value":"128"},{"type":"number","value":"43"}],"next":{"func":"blockMotionGlide","values":[{"type":"number","value":"4"},{"type":"number","value":"484"},{"type":"number","value":"-180"}]}}}]}}}

  • It resets its health to 20, then moves it around the screen for the rest of the program.
  • It resets its health to 20, then moves it around the screen once.
  • It programs the ship to explode when it gets hit by a fireball clone.
  • It programs the ship to shoot lasers every 3-5 seconds.

9. What does this code block do to the red laser that shoots from the enemy airship? {"func":"registerCloned","next":{"func":"blockLooksShow","next":{"func":"blockControlRepeatUntil","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"edge"}]}],"containers":[{"func":"blockMotionMove","values":[{"type":"number","value":"20"}],"next":{"func":"blockControlWait","values":[{"type":"number","value":".02"}],"next":{"func":"blockControlIf","values":[{"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"dragon1"}]}],"containers":[{"func":"blockControlPostMessage","values":[{"type":"string","value":"hit"},{"type":"string","value":"dragon1"},{"type":"string","value":""}],"next":{"func":"blockControlDeleteActor"}}]}}}],"next":{"func":"blockControlDeleteActor"}}}}

  • It programs each laser clone to move until it hits the edge or the dragon, then deletes the clone.
  • It programs the original laser Actor to move until it hits the edge or the dragon, then deletes the clone.
  • It programs each laser clone to rotate at a different angle, then deletes the clone.
  • It programs each laser clone to aim towards the dragon, then deletes the clone.

10. What happens if I change {"func":"blockMotionGlide","values":[{"type":"number","value":"4"},{"type":"number","value":"0"},{"type":"number","value":"0"}]} to {"func":"blockMotionGlide","values":[{"type":"number","value":"1"},{"type":"number","value":"0"},{"type":"number","value":"0"}]}?

  • The Actor would move faster
  • The Actor would move slower
  • The Actor would stop moving
  • The Actor would move farther

11. True or false: These two code blocks are equivalent. {"type":"wrapper","func":"valueOpNot","values":[{"type":"wrapper","func":"valueSensingScreenLeft"}]}{"type":"wrapper","func":"valueSensingScreenRight"}

  • True
  • False

12. True or false: These two code blocks are equivalent. {"type":"wrapper","func":"valueSensingTouchingSprite","values":[{"type":"string","value":"fireball"}]}{"type":"wrapper","func":"valueSensingTouchingCloneOf","values":[{"type":"string","value":"fireball"}]}

  • True
  • False

13. True or false: These two code blocks are equivalent. {"type":"wrapper","func":"valueControlIsClone"}{"type":"wrapper","func":"valueSensingTouchingCloneOf","values":[{"type":"string","value":"fireball"}]}

  • True
  • False

14. True or false: An Actor with this code block will always hide at the start of the program. {"func":"registerFlagTrigger","next":{"func":"blockControlIf","values":[{"type":"boolean","value":"true"}],"containers":[{"func":"blockLooksHide"}]}}

  • True
  • False

15. True or false: An Actor with this code block will always hide at the start of the program.{"func":"registerFlagTrigger","next":{"func":"blockControlIf","values":[{"type":"boolean","value":"false"}],"containers":[{"func":"blockLooksHide"}]}}

  • True
  • False

U.S. Standards

  • CCSS-Math: 6.NS.C.6, MP.1, MP.2, MP.4, MP.7
  • 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-11, 2-AP-12, 2-AP-13, 2-AP-14, 2-AP-15, 2-AP-16, 2-AP-17
  • CS CA: 6-8.AP.11, 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 16: Boss Battle

Course: | Web

  • Concepts
  • Boss Battle
  • Boss Strikes Back
  • You're the Boss
  • Boss Rush
  • 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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