Notes
Notes - notes.io |
2. A
3. B
Question1: Cu(s) + MgO (s) --> Mg(s) + CuO(s)
4. Ionic - C
5. A oxidization (reacts with oxygen)
6. D (water - 18)
7. D - memorize tetra/dino/mono
8. A
9. C
10. C
11. B
NR1. 3124
12. acid rain is a solution
polyatomic
Ca + ZnSO4 --> Zn + CaSO4
- know that SO4 is a polyatomic and two metals switch
- Also SO4 is sulfate
13.C (brittle - non metal but conducts electricity - metal)
14. A
15. B
NR2. 4123
16. C
17. B
18. A
19. Transistor - switch (transistor in microcircuit is in switch)
microcircuit - transistor (resists - controls)
normal circuit is (more current, more resistance) than microcircuit
20. A
21. B
tungsten is a good insulator / resistor
22. C
R = V/I
23. D
24. B
25. D
26. C
27. A
28. D
29. B
output / input X 100% = efficiency
30. earth is blocking the sun so we can't see the moon --> lunar eclipse C
31. B
Polaris (North)
you move west from europe to north america. polaris is on your right side
32. Earth orbit - communication (telephone/gps)
- need multiple to keep the signal
geosynchronous - tv/radio
geosynchronous - best for communication
33. D
34. to measure the distance to the planet(within our solar system) - i should use AU
light years - distance light takes to travel in a year
au - distance from earth to sun (in our solar system)
35. A
36. radio telescope - pick up the radio waves (used for communication)
advantage of optical telescope - provide clear image of object
interferometry - clear image/ can see farther
(can hook up both of optical and radio telescope)
NR3. Astrolabe refracting telescope reflecting telescope Hubble space telescope
links: questaplus
|
|
Notes.io is a web-based application for taking notes. You can take your notes and share with others people. If you like taking long notes, notes.io is designed for you. To date, over 8,000,000,000 notes created and continuing...
With notes.io;
- * You can take a note from anywhere and any device with internet connection.
- * You can share the notes in social platforms (YouTube, Facebook, Twitter, instagram etc.).
- * You can quickly share your contents without website, blog and e-mail.
- * You don't need to create any Account to share a note. As you wish you can use quick, easy and best shortened notes with sms, websites, e-mail, or messaging services (WhatsApp, iMessage, Telegram, Signal).
- * Notes.io has fabulous infrastructure design for a short link and allows you to share the note as an easy and understandable link.
Fast: Notes.io is built for speed and performance. You can take a notes quickly and browse your archive.
Easy: Notes.io doesn’t require installation. Just write and share note!
Short: Notes.io’s url just 8 character. You’ll get shorten link of your note when you want to share. (Ex: notes.io/q )
Free: Notes.io works for 12 years and has been free since the day it was started.
You immediately create your first note and start sharing with the ones you wish. If you want to contact us, you can use the following communication channels;
Email: [email protected]
Twitter: http://twitter.com/notesio
Instagram: http://instagram.com/notes.io
Facebook: http://facebook.com/notesio
Regards;
Notes.io Team
