2. Study Guide Practice

3. Each item on the study guide should come from an assignment or notes. Can you find it?  Define mechanical wave:  Transverse waves move _________________________ to the medium. Example:  Longitudinal waves move __________________________to the medium. Example:  Define Amplitude:____________________ SQ3R 17.1 These notes are on the back page of the SLINKY LAB! Mechanical Waves Review webquest

4. Where do I find this info?  How are Frequency and wavelength related? Draw a high and low pitched sound wave Draw a loud and quiet sound wave Pitch, frequency, and wavelength Lab; Sound& Waves Review webquest Sound Notes

5. Label the wave parts: Crest, Trough, Wavelength, Amplitude Label the wave parts: Compression, rarefaction, wavelength Last Page Slinky Lab Mechanical Waves webquest Where do I find this info?

6. A wave has a speed of 400m/s and a wavelength of.5 m. What is its period? A wave has a frequency of 680 Hz and a wavelength of 2 m. What is its speed? Velocity and Wavelength Notes Calculating wave properties practice Where do I find this info?

7. Define Electromagnetic wave: Fill in the blanks in order: Radio, __________________,_______________,visible light, _________, x-ray, ____________ How do EM waves differ from Mechanical Waves? Electromagnetic waves notes Where do I find this info?

8. What is representative sampling, and how do astronomers use it? Hubble deep field academy Where do I find this info?

9. ◦Theories tell: ◦Hypothesis are: ◦Laws tell: Theories, Hypothesis, Laws, Facts, & Beliefs NOTES Big Bang quiz Where do I find this info?

10. How do astronomers measure distances between stars (unit)? ______________________________________ Why is it impractical to travel to even the closest stars? Even if you could move at light speed? Travel to Sirius/ Calculating Stellar Travel Times Where do I find this info?

11. Parallax: ◦Is the perceived ___________________ of stars ◦Closer stars appear to ____________________________ Farther stars appear to Lab: Measuring Parallax Where do I find this info?

12. Big Bang: ◦Theory states: ___ ◦Evidences: _____________________________ ◦Happened about ___________ billion years ago Expansion of the Universe Student Activity Sheet SQ3R 26.5 Where do I find this info?

13. Redshift: ◦What causes it? _______________________________________________________________________ ◦How it works is explained by the__________________ Effect ◦Evidence in support of ________________ Law ◦Important for two reasons: ◦Evidence that the universe is: ______________________________ and it is going faster/slower Hubble’s Law: ◦States: ◦Means that the universe is Expansion of the Universe SQ3R 26.5 Doppler shift/Red Shift activity Where do I find this info?

14. What is Gravity? Packet Where do I find this info?

15. How can spectra of elements be used to determine the composition of stars and galaxies? How can spectra of elements be used to determine how fast galaxies are moving away from us? Spectra: Label the three types of spectrum and what causes it: Spectroscopy Notes and Lab Where do I find this info?

16. Nebulas: ◦Why are they referred to as building blocks of the universe? __________________________________________________________________ Star Clusters ◦Two types: ___________________________, ________________________________ Differences between the types: __________________________________________________ Galaxies ◦4 Shapes: _________________, _________________, ________________, _______________ We live in the Galaxies Webquest SQ3R 26.4 Where do I find this info?

17. What does an H-R Diagram do? What two star properties are compared on an H-R Diagram? Label the diagram appropriately. What information can be learned about a star by using an H-R Diagram? Using an HR Diagram HR Diagram Intro Where do I find this info?

18. Label the life cycle of a low mass star Label the life cycle of a high mass star ◦Major fuel source of stars: _____________________________________________________________________ ◦What is happening inside young and main sequence stars? _____________________________________ Star Life Cycle Webquest Where do I find this info?