The second one is this link: http://www.timtang.com/ttt/images/6th/quarks.PNG
The title is "Name that category"
A hint is "The words are only parts of words!" I would start in rainbow order so red, orange, yellow, green, blue.
Clock Puzzle:
If you take the two line segments that make up the = and move them to the top left and top right of the 1 in 10, you get 5 TO 12 which is the time on the clock.