QR Scaveger Hunt Links & Questions

Just in case you don't have access to a QR code scanner, below are the links and questions!

Number	Link	Question
1	http://www.enchantedlearning.com/subjects/astronomy/planets/	What planets are 4th and 7th from the Sun, respectively?
2	http://solarsystem.nasa.gov/planets/profile.cfm?Object=Asteroids	How are asteroids and planets similar?
3	http://www.wired.com/wiredscience/2013/03/why-does-a-comet-have-a-tail/	What causes a comet to have a tail?
4	http://www.sciencekids.co.nz/sciencefacts/space/cometasteroidmeteoroiddifferences.html	How are meteors different from asteroids?
5	http://lasp.colorado.edu/education/outerplanets/moons_galilean.php	In what area might Jupiter’s moon, Europa surpass Earth?
6	http://nineplanets.org/sol.html	What makes the Sun an “ordinary” star?
7	http://nineplanets.org/venus.html	Why is Venus often referred to as Earth’s sister planet?
8	http://www.teachingideas.co.uk/science/orderingplanets.htm	What mnemonic device can help you remember the order of the planets?
9	http://www.kidsastronomy.com/pluto.htm	Why should Pluto not be part of the mnemonic device?
10	http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mars&Display=OverviewLong	The presence of what mineral on Mars gives it a reddish appearance?
11	http://www.universetoday.com/75803/how-does-the-sun-produce-energy/	How does the Sun generate energy?
12	http://nineplanets.org/comets.html	What is the nickname for a comet, and why?
13	http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970518a.html	How do the Sun and Earth compare in size?
14	http://curiosity.discovery.com/question/what-asteroids-made-of	What are asteroids made of?
15	http://solarsystem.nasa.gov/planets/profile.cfm=Object=Meteors&Display=OverviewLong	Why don’t really large meteors hit the earth?
16	http://solarsystem.nasa.gov/planets/profile.cfm?Display=Moons&Object=Jupiter	What are the names of Jupiter’s four largest moons?
17	http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter	About how many moons does Jupiter have in all?
18	http://pds-rings.seti.org/saturn/	Write an interesting fact about Saturn’s rings.
19	http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mercury	Why does Mercury’s surface have so many crater impact scars?
20	http://www.kidsastronomy.com/solar_system.htm	What amazes you the most about the solar system?