Fun Riddles

Question: What word links these images?

Question: A school's computer system was recently hacked and the school has narrowed the pool of possible hackers to 5 people that were in the computer lab: Tyler, Justin, Chandler, Paige, and Shelley. Each of them gave three statements, two of which are true and one false.

Tyler
1. I didn't do it!
2. I've never hacked in my life.
3. Paige did it.
Justin
1. I didn't do it!
2. The attack was done from within the network.
3. I don't like Shelley.
Chandler
1. I didn't do it!
2. I've never seen Shelley in my life.
3. Paige did it.
Paige
1. I didn't do it!
2. Shelley did it.
3. Tyler was lying when he said I did it.
Shelley
1. I didn't do it!
2. Justin did it.
3. Chandler and I used to be friends.

Who hacked the system?

Question: Every time a man lies his nose grows to 150 percent of its size. Every time he tells the truth it shrinks to 50 percent of its size.

What will happen if he alternates between lies and the truth?

Question: What is the longest word in the dictionary?

Question: Something different to show every week, but I'm still the same place.
If you're eating it's probably butter that you taste.

What am I?