5/21 & 5/22 - 8th Grade Agenda Learning Objective: Learn about Stars Collect HW: Reading & Notetaking p.260– 261 Video: When we left Earth Family Life – HIV Textbook Reading: p.592 - 605 HW: Reading & Notetaking p.262– 264 Reminder: Chap 13 & 14 Test on 5/26
Daily Reflection Prompt: Write 3 facts about electromagnetic waves.
Four views of the Crab Nebula using different telescopes
Parallax
How do Astronomers judge the distances to near by stars? By using Parallax Apparent Change in Position of an object when you look at it from different places
Hertzsprung-Russell diagram
How are stars born? All stars are born from Nebulas Nebulas are remnants of supernova explosions
How long can a star live? Small stars could live about 200 Billion years Medium stars (like our sun) live about 10 Billion years Large stars live for 10 Million years or less
Lives of Stars
Size of Rocky planets
Size of Gas Giants
Planets compared to the Sun
The Sun compared to the other giant stars
The Sun compared to the Super Giant Stars