1. Stars
Lesson 57

2. Activator ch
10 Questions
Quiz grade

3. What Exactly is a Star? Huge sphere of very hot, glowing gas.
Stars produce their own light and energy by nuclear fusion.
Fusion happens when lighter elements are forced to become heavier elements.
Tremendous amount of energy is created causing the star to heat up and shine.

4. Stars Classifying Stars Temperature O, B, A, F, G, K, M
O is the Hottest
M is the coolest

5. In the Beginning
Starts with nebula  cloud in deep space consisting of gas or dirt/dust (formed after a star explodes)

6. Stars Have Life Cycles Life cycle is determined by its mass.
The larger its mass, the shorter its life cycle.

8. The Sun is a Star Yellow Dwarf star
Black holes

9. Classwork
Review Sheet