Step-by-Step Guide: Rocket Launch in Scratch Jr

Last updated: 8/2/2026
Step-by-Step Guide: Rocket Launch in Scratch Jr

Overview

In this project, we will create an animation of a rocket launch in Scratch Jr. Children will learn to use motion blocks to move sprites, sound blocks to add effects, and control blocks to sequence actions.

Blocks and Features Used

  • Yellow (Start): Start on Tap
  • Blue (Motion): Move, Jump
  • Purple (Looks): Say
  • Green (Sound): Pop
  • Orange (Control): Wait, Repeat Forever

Step-by-Step Instructions

  1. Set Up: Open Scratch Jr on a tablet or iPad. Start a new project.
  2. Add Sprites:
    • Choose an astronaut and a rocket sprite from the library.
    • Position the astronaut at the bottom and the rocket at the top of the screen.
  3. Code the Astronaut:
    • Use a blue "Move" block to make the astronaut move up to the rocket.
    • Add a purple "Say" block for a countdown like "3... 2... 1..."
  4. Code the Rocket:
    • Use a green "Pop" block to create a launching sound effect.
    • Program the rocket to move up using a blue "Jump" block.
  5. Launch the Rocket:
    • Connect the astronaut's countdown and the rocket's launch using an orange "Wait" block.
  6. Test and Refine:
    • Tap the astronaut to start the countdown and launch the rocket.
    • Adjust timing and positions for smoother animation.

Extension Ideas

  • Background: Add a space backdrop to enhance the rocket launch scene.
  • Multiple Rockets: Create a fleet of rockets launching one after another.
  • Custom Sounds: Record your own countdown or rocket launch sound effects.
  • Interactive Elements: Make the astronaut react when touched after the launch.

Tips for Parents

  • Encourage your child to experiment with different speeds and movements for the sprites.
  • Let them personalize the project by adding their own creative touches.
  • Celebrate their achievements and encourage them to share their rocket launch with family and friends.

By following these steps and exploring extension ideas, children can have fun while learning the basics of coding and creating their own rocket launch animation in Scratch Jr.

Thank you for reading! If you have any questions, drop us an email: workbookscratchjr@gmail.com