3.06

1. 📵 Put your cell phone, headphones, ear buds, and/or beats in the box or your bag.

2. 📓 Pick-up your notebook from your class's box on the west (➡) side of the classroom.

3. 💺 Find your assigned seat.

4. 📓 Open your notebook to page 22 and answer these questions for ✍️ Bell Ringer #58.

• How can you use a balloon to show expansion of the universe?

I can use a balloon to show expansion of the universe by...

• How could you measure this change between galaxies?

I can measure the change between galaxies by...

• How can you measure expansion of the universe using your balloon at different times during history?

I could measure different times by...

5. Update your 🗓️ calendar for the week on page 5-8.

In Class:

A. I can construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies and the composition of matter in the universe (HS-ESS1-2).

• Do all galaxies expand away at the same rate?

Hypothesis: Yes/No, because

• What is the relationship between distance of galaxy and rate of expansion?
  • Students complete "Lesson: Balloon Lab: Modeling Movement of Galaxies in the Universe" (page 139-141 in your notebook; on on Canvas)
    • Task: Use the balloon to represent the universe in order to show rate of expansion between different galaxies.
  • Students complete 🤓 Origin of the Universe Assessment #2 (NG) (on Canvas)