Chapter 3 Astronomy

TEST REVIEW

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

WHAT ARE ALL THE COLORS IN VISIBLE LIGHT?• Hint: ROYGBIV

• Red, orange, yellow, green, blue, indigo, violet

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

• A Spectroscope

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.

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.

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

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

DO YOU KNOW HOW TO USE THE H-R DIAGRAM?• Yes

• No

• Maybe

CAN YOU USE THE, “LIVES OF A STAR CHART?”• Yes

• No

• Maybe