![A bright mass to the left with a cone expanding to the right sandwiched between a panel with a purple swirl pattern and a panel](https://www.nasa.gov/wp-content/uploads/2023/02/edu_srch_playing_with_time_activity_guide.jpg?w=320)
Audience
Educators
Grade Levels
Informal Education
Subject
Space Science, Universe, Astronomy
Type
Lesson Plans / Activities
Have you ever wondered how the distance between galaxies changes? With this guide from NASA’s Universe of Learning, a balloon, a marker, some stickers and a balloon pump, you can model the expansion of the universe after the Big Bang. The activity can be performed as either an independent or a facilitated activity with additional resources and background information hyperlinked in the document.
Next Generation Science Standards: HS.ESS1-2
‘The Expanded Universe: Playing With Time’ Activity Guide PDF