Mr. Bailey's Earth Science class page
Make your own free website on
Building blocks...


The test over Ch. 28 will be Thursday.

Use the links below to complete today's exercise, and hand it in.

This will take longer if you don't follow the directions carefully, so pay attention!


The first 3 links after this exercise are new - and should be of great interest to those of you who are serious about the night sky!

For the first part of this exercise, go to the Heavens Above web site (linked below).

Heavens Above

You do NOT have to log in. Under "Anonymous users" click on "Select your location from our huge database". On the next page click on "United States of America", then on the "select Town" page enter "Bedford". When the choices come up, click on either "Bedford Indiana" - OR on the same line to the right of the highlighted Bedford click on "neighbors". Choose either "Bedford" or "Neighbors", whichever is closest to where you live.

Once the location is set, use the web site to find the next time (Date, time) the ISS will be at least 30 degrees altitude from where you are - that will be the answer to #1.

2) What is the length of time of the pass you listed in # 1 (end time - start time)

3) Given that best observing times will have higher altitude and lower magnitude, what date/time/azimuth will likely have the best observing?

Near the top right side of the web page, click on "orbit".
4) Where is the ISS right now?

Click "back" and return to the "Visible passes" page.

Click on the date that has the highest maximum altitude.

Click on "Ground Track".
5) In what direction will the ISS be from your location?

Click back, and return to the "Visible Pass Details" page.

Place the cursor over the whole sky chart, right button click, then "Print picture". Attach it to your answers when you finish this exercise.

Click on the link to "home" to go to the starting page for the Heavens Above web site.

Click on the link for "Spacecraft escaping the Solar System".

6) What is the most distant spacecraft from Earth?

7) When was it launched?

8) Is the spacecraft listed in #6 still functioning?

9) How long does light take to get to it from Earth?

10) Relative to the sun, what is its speed?

11) What is the fastest spacecraft listed?

12) What is its speed (Km/s)?

13) Looking at the diagram, which spacecraft is travelling closest to the plane of the ecliptic?

14) Using the links below, find information about the Orionid meteor shower and list best observing dates and times, what to expect as far as meteor brightness, and numbers per hour.

Click the following link and enter information from #12 for speed.

Astonomical Distances

15) How long would it take to get to the closest star to the sun travelling at the speed of the fastest spacecraft currently in operation?

16) At what speed (Km/s) would you need to travel in order to get to the closest star in 25 years?

17) What percent of the speed of light is your answer for #16?

When you are finished with this exercise, use ONLY the links below to explore astronomy. Ask permission if you would like to look at anything else.

Your Sky is an interactive web site for the night sky. There's a LOT here - including a "Virtual telescope".

Your Sky

Skyview Cafe is another interactive FREE application online - or you can download it for faster times and not tie up bandwidth when you are at home. This one is REALLY good, if you want to find information. I'd suggest trying the older version first, and playing with the controls.

Skyview Cafe

Here is a FREE interactive viewer - Stellarium.
DO NOT DOWNLOAD IT to the COMPUTER IN THE LAB! Download it and use it at home, if you wish. I haven't looked at anything other than screenshots, so I can't recommend anything about this other than to try it out and see what it does.


Comets and Meteors

Astronomical Lexicon

Constellation Info


Solar System Info

Moon map

Mars Exploration Rovers

MOC gallery




Sky and Telescope magazine


Ask for a notecard; put your name on one side. Use the other side as a "cheat sheet" on which you may place information about the chapter, which you may use on the test. You may NOT use anyone else's card on the test - yours only. If you are caught using someone else's card, you will get a zero for the test.

Use the terms and questions below to guide your study. They will be on the test. There are 65 questions on the test - 35 multiple choice, 30 matching.

IF you have not yet finished your brochure, now is the time to do just that. Don't forget, the brochure is due Friday (TOMORROW!!!).

IF you have also NOT yet finished the questions from 3/8/2010, it is time to work on those. Just a reminder, those are also due tomorrow.

AND - the packet is due tomorrow.

If you have otherwise finished both those assignments, then do the following by clicking on the links provided. You should find them quite useful for your test. Oh yes, another reminder - your test is TOMORROW too...(Sorry, we need to move along so we have time to study the weather!)

Now for the test - a reminder of what you need to know! Trust me, these are on the test!

TERMS (and people!) TO KNOW: Solar system; Planet (And yes, know the CURRENT definition!); Nebula; Nebular Hypothesis; Sol; Luna; Planetesimals; Protoplanets; Moons; Inner planet; outer planet; terrestrial planet; Jovian planet; Gas giant; Differentiation; outgassing; ozone; geocentric; heliocentric; retrograde motion; epicycles; Law of Ellipses; eccentricity; ellipse; Law of Equal Areas; Law of Periods; Orbital Period; Inertia; Gravity; Impact Craters; Greenhouse effect; Runaway Greenhouse effect; Evening Star; Magellan (spacecraft); Valles Marineris; Olympus Mons; Galileo (spacecraft); Cassini (spacecraft);
Great Dark Spot; Great Red Spot; Kuiper Belt; Exoplanet; dwarf planet; Plutoid; asteroid belt; Copernicus; Ptolemy; Kepler; Newton; Eris; Haumea; MakeMake; Ceres.

The following link takes you to the page about the brochure. Use the links found there to answer the questions.

"links for info about planets"

1. At what temperature does hydrogen fusion begin during star formation?

2. 99% of all matter in the Solar System can be found in what celestial object?

3. How do planetesimals form protoplanets?

4. The inner planets are generally small, rocky, and dense. Describe the outer planets.

5. Why did the inner planets lose their less dense gases (Hydrogen and Helium)?

6. Why didn't the gas giants lose their lighter gases like the inner planets did?

7. In what two ways is Pluto's orbit different from the other planets?

8. How is Pluto NOT like either the outer planets OR the inner planets?

9. Which planets have rings?

10. How did the ocean become salty?

11. What are the likely sources for Earth's water?

12. Who proposed epicycles as an explanation for the retrograde motion of Mars?

13. Which planet is most like Uranus in terms of size and mass?

14. Why does Earth support life and other planets do not?

15. Ceres is the largest example of the objects which lie between Mars and Jupiter, and separate the inner planets from the outer planets. What is this feature called?

16. Which planet has the shortest day (even though it is the largest planet), and who discovered its 4 largest moons?

17. Which dwarf planets are NOT Plutoids?

18. Venus has retrograde rotation; what is thought to have happened to cause this?

19. Who first proposed a heliocentric solar system?

20. There are 3 laws which help explain planetary motion. Who developed them?

21. Explain the Law of Ellipses.

22. Explain the Law of Equal Areas.

23. Explain the Law of Periods.

24. What force keeps planets in orbit around the Sun?

25. Which planets have no moons?

26. Which planet orbits the Sun in the shortest time?

27. What planet takes the longest time to orbit the Sun?

28. How is it possible that ice could exist on Mercury?

29. What planet is commonly called the morning star or evening star?

30. Why will man never land on Venus?

31. Why are the volcanoes on Mars so much larger than Earth's volcanoes?

32. What causes the reddish color of Mars?

33. Name the largest moon in the solar system. (found around Jupiter)

34. The second largest moon in the solar system is the largest moon of Saturn. Name it.

35. Neptune has the strongest winds in the solar system. How fast are they?

36. How is the axial rotation of Uranus different from the other planets?

37. How is a dwarf planet different than a planet?

38. Why was Pluto reclassified as a dwarf planet?

39. Where is the Kuiper belt located?

40. What is the name of the asteroid which was at one time called a planet? (NOT PLUTO!)

41. Which planet is most like Earth?

42. Compare the size of Mars with Earth.

43. Why would you weigh more on Earth than on Pluto?

44. Why does Mercury have so many impact craters compared to Earth?


Finish the exercise from Friday and hand it in before you start the next part. Last week's exercise can be found below today's material.

Use the links provided last week to answer the following questions.

1. List the major planets in order from largest to smallest. Do not include dwarf planets.

2. Which planet would float on water if there were enough water to set it into? (hint: the least dense planet)

3. Which planet has the greatest number of moons?

4. Which planets have no moons?

5. Which planet has the largest moon?

6. Which planet has the second largest moon in the solar system?

7. On which planet can you find the Great Dark Spot?

8. On which planet can you find the Great Red Spot?

9. Which planet has a runaway greenhouse effect?

10. Which planet has 2 moons, one of which will crash into the planet?

11. Which planet's orbit intersects the orbit of a dwarf planet?

12. Which planet has moons that contain water?

13. Which planet has a year shorter than its day?

14. Which planet is essentially featureless?

15. List the Jovian planets.

16. List the terrestrial planets.

"Enchanted Learning "

When you finish with yesterday's activity (can be found below) continue by using the following links:

"Enchanted Learning "

"Kids "

"Astronomy sports "
Note that there are several levels (astronomy 1, 2, 3, and 4)

" "

"Spaceplace "

" "

" "

"Spacecraft models "

" "

"Kids Cosmos "

" "

"Exploratorium "

"CSE "

"Spaceweather media viewer "

"Stereo Galleries "

"Stereo images "


Go to the following website and follow instructions.


Finish the assignment from last week and hand it in BEFORE you start today's assignment.
Click the following link for today's assignment.

"Feb. 18th 2010 Computer lab "

Chapter 26

Go to the following website, read the material, and answer the questions below.

"How Stuff Works "

1. Compare the function of an objective lens in a refracting telescope with the function of a primary mirror in a reflecting telescope.

2. What do you combine with the objective lens to form a telescope?

3. Sketch and label a refracting telescope.

4. What are the two general properties of functions of a telescope?

5. Generally speaking, what do you need in a telescope order to gather more light?

6. What is the function of the eyepiece?

7. Why is aperture size more important than magnification?

8. (next page) What problem did Isaac Newton solve by using mirrors instead of lenses in his telescopes?

9. Why did Newton have to use a secondary mirror in his reflecting telescope?

10. What are "Rich-Field" reflectors?

11. What is meant by "focal ratio"?

12. Describe a "Dobsonian" telescope.

13. Dobsonian telescopes are well suited for what type of observing?

14. What are the advantages of a Dobsonian telescope?

15. What is spherical aberration?

16. What causes Astigmatism in telescopes?

17. What is a "coma", relative to a telescope?

18. Why are reflectors subject to some light loss?

19. (next page) What are compound telescopes?

20. What are the two most common types of compound telescopes?

21. What is the most popular telescope now?

22. (next page) What 4 things do telescope mounts allow a viewer to do?

23. Explain the differences between an Alt-azimuth mount and an Equatorial mount.

24. What is the function of setting circles?

25. What is the function of a motorized drive on a mount?

26. What type of mount is needed for astrophotography?

27. (next page) How is "true Field" calculated?

28. (next page) What is a "finder" on a telescope?

29. Filters can be used to do what?

"Telescope deconstructed "

"Astronomy Picture of the Day"

Most of you did NOT finish with yesterday's assignment, so finish that before you begin today's assignment (listed under yesterday's date - 1/28/2010), then answer the following questions about the last website listed for yesterday. If you finish everything else, take the quiz I've linked to and and print out the page with your answers. If you have good internet at home, it would be a good idea to take the quiz as a study help for the test Tuesday.

Go to the following website, read through each page, and draw an idealized version of a coastal shore profile.

Intro to Shores and Coastal Processes

1. On the website listed above, click on "Overview", then draw/sketch and label the parts of a beach.

2. What stabilizes dunes and helps keep them in place and not moving?

3. Under what conditions is the backshore NOT dry?

4. What is the "Swash Zone"?

5. Describe the slope of a beach that is coarse grained (pebbles and cobbles).

6. What is the shoreface?

7. During what conditions is the offshore area of a beach affected and moved?

8. Click on the arrow to the right of the number 1 above the drawing so that you see "Wave Anatomy". Define the following terms: Crest; trough; wave height; wavelength; amplitude; breaker; bar.

9. Click on the right arrow above the drawing again so that you see "Wave motion". Explain why the wave "breaks" when it reaches the shore by explaining what happens to the wave base as the wave reaches the shore.

10. Click on the right arrow button again so that you see "Wave Refraction". Define wave refraction.

11. Explain why a wave is nearly parallel to the beach when it reaches the shore, even though it may have been at a nearly oblique angle on its approach.

12. Click on the right arrow button so that you see "Longshore current". Explain why a longshore current moves parallel to the shoreline.

13. Click on the right arrow so that you see "Rip currents". Where and how do rip currents form, relative to the position of bars?

14. What direction, relative to the beach, would you swim if you were caught in a rip current?

15. Click the right arrow again so that you now see "Coastal Deposition". Define the terms "updrift" and "downdrift"

16. Explain the process by which a "hook" forms.

17. What effect does the construction of a dam on a river have on a beach?

18. Click on the right arrow again so that you now see "Coastal Erosion: Landforms". What is a "Sea Stack"?

19. watch the animation by clicking on the "next" button at the bottom of the drawing. Explain the process by which the lighthouse becomes an island.

20. Click on the right arrow again, so that you see "Coastal Erosion: Controls". Define the following terms, and explain the purpose for which each is used.
A. Groin; B. Jetty; C. Seawall; D. Breakwater

21. Click on the button labeled "Model". Read the information, then position the groin. Describe what happens after you place it.

22. Position the seawall. Describe what happens after you place it.

23. Position the breakwater. Describe what happens after you place it.

Go to the following website and take the quiz for a self-check:

McGraw Hill MC quiz


Go to the following website, manipulate the variables to see what each does, and then then answer the questions below:

Savage Seas interactive...

1. How does the length of fetch affect wave height?

2. How does wind speed affect wave height?

3. How does the duration of wind affect wave height?

4. Of the 3 variables listed in #1-#3, which has the greatest effect on wave height?

5.Explain why you chose you r answer for #4.

Go to the following website and view each of the animations on the page, and answer the questions about each.

McGraw Hill animations and movies

Viewing figure 14.4:

6. What ha[ppens to the circular mottion of a wave as water depth increases?

7. What happens to wavelength as the wave approaches the shore?

8. What happens to the wave height as the wave approaches the shore?

9. Where do the"breakers" occur? (what zone?)

Viewing figure 14.8:

10. During short wavelength high energy waves, what happens to the sand on the beach?

11. During what season does the scenario for #10 occur?

12. During long wavelength, low energy waves, what happens to the offshore sand?

13. During what season does the scenario for #12 occur?

Viewing figure 14. 9

14. Draw the path of a sand grain as it moves along a beach in a longshore current.

15. Explain WHY the sandgrain in #14 moves along the shoreline as it does.

Viewing figure 14.10a

16. What is the reasn why the baymouth bar developed and cutoff the bay.

Viewing figure 14.14

17. Explain and describe the process of coastal straightening.

Go to the following website, read through each page, and draw an idealized version of a coastal shore profile.

Intro to Shores and Coastal Processes


Go to the following website for today's exercise:

Aeolian erosion...

Go to the following website, click on the links and answer the questions. Hand in your answers at the end of the period. It WILL take time to complete this exercise, so use your time wisely.

Glaciers again!


Go to the following website, click on the links and answer the questions about the animations. Hand in your answers at the end of the period. It WILL take time to do all the animations, so use your time wisely.



Go to the following website, and the accompanying links, and make sure you check out all the links. And yes, I know some are broken links - I just didn't have time to hunt them all down again.

Christmas Break stuff

Go to the following website, answer all the questions, and hand them in at the end of the period.


12/2/2009 (Wednesday)
Use the favorites you bookmarked yesterday to get back to where you were in your Virtual River lab exercise, then complete it and print out your finished certificate. If you closed the program without bookmarking it, you will have to re-do your work. Sorry.

Once you have finished with that, continue on to part 2 of the virtual river - "Flooding" and do as much as you can on that exercise. At the end of the period, bookmark it again.

You can hand in your certificate tomorrow when I return.

12/1/2009 (Tuesday)
For your computer lab exercise today, click on the link below these instructions, and do only the River Discharge exercise. This will take all period, so stay on task!

PRINT OUT the Certificates after you have filled out the forms and turn them in before you leave. IF for some reason you do NOT finish, make arrangements with Mrs. Mullis to finish it.

The Virtual River


Today you will be learning how to read seismograms - the records made by a seismometer of an earthquake that has occurred. This is a tutorial, so make sure you read the instructions on how to perform each part of the task in order to complete the assignment - don't just skip through and think you can just figure it out on your own - you'll only be wasting valuable time.

Now, click the following link for today's exercise and tutorial:

The Virtual Earthquake!

Click the following link for today's assignment:


Link to Earth Revealed website for streaming video:

Earth Revealed: Intrusive Igneous Rocks...

You will need to watch #14 by clicking on the VoD icon.


Here goes: those of you who have not yet completed the lab exercise from last week (see below for 9/24/2009) are to complete that exercise before beginning today's exercise.

For those of you who already have completed last week's exercise, here is the link for today's assignment:



Click on the following link to go to today's assignment:

Mineral Properties


The links and instructions from yesterday's lab are found below - just look for the date. Remember that I will leave all the assignments up on this page until the end of the Semester, so if you are absent you can access this from any internet connection.

When you finish with yesterday's assignments go to the following websites and look through the materials:
Topographic maps


Your first test will have questions about material from these sites.

Go through the tutorial about the PLSS, then go on to the links below.

Read through ALL the instructions for each link. At the page bottom, continue to the next page until you finish the tutorial.

After you finish the tutorial, return to this page and go on to the instructions below the link.

PLSS Tutorial

Now that you've completed the PLSS tutorial, go to the web site below - again, via the link I've provided - and read through the material about the PLSS and how it was developed, particularly about how the system works and the cultural imprint on the landscape. Once finished, continue below!

The following web site may actually be the best at explaining the PLSS. Read through it, it's also a tutorial.

PLSS Background from ISU

Click on the following link for today's exercise:


Once you finish, click on the following links and read through the websites.

Here are events taking place this month. You may have to copy and paste the links into the toolbar.

To see what celestial events are in store for this month, check out
Hal Kibbey's Star Trak column at

Hal Kibbey's Star Trak


The Stonebelt Stargazers meet on the third Monday of each month at
6:30 PM at the Morrow Observatory on the Bedford North Lawrence High School Campus, Bedford, Indiana. For further information, see

Stonebelt Stargazers

Word Of The Day

 Enter a city or US Zip    
Today's Weather


Important Events & Today in History by
Today in History by


This section has the "Quote-a-tron" set up by my wife; I'll modify it with more quotes later. A different quote comes up every time you reload the page. Quote-a-tron

Quotable Quotes

Quote of the moment: (Reload this page for a new quote)

[Sorry. Only this one quote for non-Java browsers]

If you'd like to suggest a quote, send e-mail.
Back Home  

Famous Birthdays & Today in History by
Today in History by


Lowell Bailey

Bedford-North Lawrence High School
595 N. Stars Boulevard
powered by lycos
SEARCH: Tripod The Web