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REVIEW #1

REVIEW #1. WHAT IS ASTRONOMY?. WHAT IS ASTRONOMY? IT IS THE SCIENCE THAT STUDIES OBJECTS IN SPACE (OFF PLANET EARTH). MANNED AND UNMANNED SPACE PROBES CAN BE USED TO STUDY OBJECTS CLOSE TO EARTH, BUT WHAT IS THE MOST IMPORTANT TOOL THAT SCIENTISTS CAN USE TO STUDY DISTANT OBJECTS?.

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REVIEW #1

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  1. REVIEW #1

  2. WHAT IS ASTRONOMY?

  3. WHAT IS ASTRONOMY? IT IS THE SCIENCE THAT STUDIES OBJECTS IN SPACE (OFF PLANET EARTH).

  4. MANNED AND UNMANNED SPACE PROBES CAN BE USED TO STUDY OBJECTS CLOSE TO EARTH, BUT WHAT IS THE MOST IMPORTANT TOOL THAT SCIENTISTS CAN USE TO STUDY DISTANT OBJECTS?

  5. MANNED AND UNMANNED SPACE PROBES CAN BE USED TO STUDY OBJECTS CLOSE TO EARTH, BUT WHAT IS THE MOST IMPORTANT TOOL THAT SCIENTISTS CAN USE TO STUDY DISTANT OBJECTS? TELESCOPES (LIGHT)

  6. WHAT ARE THREE ADVANTAGES THAT A TELESCOPE WOULD HAVE OVER USING THE HUMAN EYE?

  7. WHAT ARE THREE ADVANTAGES THAT A TELESCOPE WOULD HAVE OVER USING THE HUMAN EYE? • A TELESCOPE CAN GATHER MORE LIGHT. THIS WOULD HELP IN SEEING FAINT OBJECTS. • A TELESCOPE CAN MAGNIFY DISTANT OBJECTS. • TELESCOPES CAN USE LIGHT AT WAVELENGTHS OTHER THAN VISIBLE LIGHT.

  8. WHAT IS LIGHT?

  9. WHAT IS LIGHT? IT IS A FORM OF ENERGY THAT HAS BOTH WAVE AND PARTICLE PROPERTIES.

  10. WHAT IS THE WAVELENGTH RANGE OF VISIBLE LIGHT?

  11. WHAT IS THE WAVELENGTH RANGE OF VISIBLE LIGHT? 400 TO 700 nm

  12. AS THE WAVELENGTH OF LIGHT INCREASES, THE ENERGY PER PHOTON ___________________.

  13. AS THE WAVELENGTH OF LIGHT INCREASES, THE ENERGY PER PHOTON ___DECREASES_______.

  14. NAME THREE THINGS THAT ASTRONOMERS CAN USE LIGHT TO MEASURE.

  15. NAME THREE THINGS THAT ASTRONOMERS CAN USE LIGHT TO MEASURE. • SURFACE TEMPERATURE OF STARS • ELEMENTS PRESENT IN STARS AND NEBULAES • SPEED AT WHICH OBJECTS ARE MOVING • IF THERE ARE PLANETS AROUND A STAR • AGE OF STARS

  16. HOW CAN ASTRONOMERS USE TELESCOPES TO COLLECT MORE LIGHT? • USE LARGER MIRRORS • MAKE TIME EXPOSURES

  17. A SOLID OBJECT EMITS A _____________ SPECTRA WHEN HEATED.

  18. A SOLID OBJECT EMITS A _CONTINUOUS__ SPECTRA WHEN HEATED.

  19. GASES GIVE _____________ SPECTRA WHEN HEATED.

  20. GASES GIVE __LINE_____ SPECTRA WHEN HEATED.

  21. EVERY ELEMENT HAS A______________ SPECTRUM.

  22. EVERY ELEMENT HAS A_DIFFERENT____ SPECTRUM.

  23. WHAT ARE THE THREE PARTICLES THAT MAKE UP AN ATOM?

  24. WHAT ARE THE THREE PARTICLES THAT MAKE UP AN ATOM? PROTON NEUTRON ELECTRON

  25. AN ATOM IS MOSTLY ________________.

  26. AN ATOM IS MOSTLY __EMPTY SPACE__.

  27. FILL IN THE ABOVE TABLE.

  28. FILL IN THE ABOVE TABLE.

  29. Fill in the table http://www.privatehand.com/flash/elements.html

  30. Fill in the table http://www.privatehand.com/flash/elements.html

  31. CONVERT THE ABOVE NUMBERS IN SCIENTIFIC NOTATION TO REGULAR NUMBERS.

  32. CONVERT THE ABOVE NUMBERS IN SCIENTIFIC NOTATION TO REGULAR NUMBERS.

  33. CONVERT THE ABOVE NUMBERS TO SCIENTIFIC NOTATION.

  34. CONVERT THE ABOVE NUMBERS TO SCIENTIFIC NOTATION.

  35. WHAT KIND OF ORBIT DID KEPLER FIND THAT THE PLANETS HAD AROUND THE SUN?

  36. WHAT KIND OF ORBIT DID KEPLER FIND THAT THE PLANETS HAD AROUND THE SUN? ELIPTICAL

  37. KEPLER’S STUDY OF THE ORBITS OF THE PLANETS HELPED NEWTON ESTABLISH THE LAW OF _____________.

  38. KEPLER’S STUDY OF THE ORBITS OF THE PLANETS HELPED NEWTON ESTABLISH THE LAW OF __GRAVITY____.

  39. WHY SHOULD YOU NEVER POINT A TELESCOPE WITHOUT A SUN FILTER AT THE SUN?

  40. WHY SHOULD YOU NEVER POINT A TELESCOPE WITHOUT A SUN FILTER AT THE SUN? YOU COULD EXPLODE THE EYE PIECE AND POSSIBLY BLIND SOMEONE (YOURSELF).

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