Twinkle Twinkle Little Star

1. Twinkle Twinkle Little Star

2. The Sun and Other Stars • A star is a huge ball of superheated gases. • The sun is a star in the center of our solar system • The source of most of the energy on Earth- we would not exist without it

3. The Sun • Looks like a ball of light • Mad up of gases – hydrogen & helium • Has dark spots called sunspots on its surface • The red streams are solar flares that are gases that shoot out from the sun. • These hot fountains extend tens of THOUSANDS of kilometers into space! WOW! • Sunspots and solar flares only last a few days.

4. The Sun

5. Colors of Stars • One way to classify stars is by color • The color of the star tells about the star’s surface temperature • Colors of stars: • Blue – The hottest • White • Yellow – Orange – Our Sun • Red- The coolest

6. Colors of Stars

7. Types of Stars – Our Sun • A yellow star • Medium in size • Medium in brightness • Medium in heat • Between the hottest and coolest stars

8. Brightness of Stars • Stars can be classified by brightness • How far it is from Earth • How bright it actually is

9. Question Time! • What does a star’s color tell about the star?