1. Chapter 3 Astronomy TEST REVIEW

2. WHAT ARE ALL THE FORMS OF ENERGY THAT COME FROM THE SUN? Radio waves Microwaves Infrared Rays (Heat) Visible light Ultraviolet Waves X-Rays Gamma Rays Longest Wavelength Shortest Wavelength

3. WHAT ARE ALL THE COLORS IN VISIBLE LIGHT? Hint: ROYGBIV Red, orange, yellow, green, blue, indigo, violet

4. WHAT IS THE NAME OF THE INSTRUMENT USED TO SEE THE SPECTRUM OF A GLOWING GAS? A Spectroscope

5. HOW IS THE SPECTRUM OF A GLOWING GAS LIKE A FINGERPRINT? All glowing gasses give off their own spectra different from all the others. The same way as a human fingerprint is different from everyone else’s.

6. WHAT TWO THINGS CAN YOU LEARN ABOUT A STAR BY LOOKING AT IT’S SPECTRA? What gasses it’s made of and… It’s temperature.

7. WHAT IS THE NAME OF THE WAY WE MEASURE STAR DISTANCES? Parallax

8. WHAT IS THE NAME OF THE UNIT IN WHICH WE MEASURE STAR DISTANCES? The Light Year

9. DO YOU KNOW HOW TO USE THE H-R DIAGRAM? Yes No Maybe

10. CAN YOU USE THE, “LIVES OF A STAR CHART?” Yes No Maybe