ch4 new particles ws

In class, we watched these you tube videos:

http://www.youtube.com/watch?v=SMgi2j9Ks9k (quarks)

we also watched large hadron rap

and fermilab - the higgs boson

and stephen hawking, the higgs boson found

http://hasthelargehadroncolliderdestroyedtheworldyet.com/

http://www.youtube.com/watch?v=PR2OLjAr1Fc&feature=related (large hadrdon collider)

http://www.youtube.com/watch?v=wT-Iu8a_CtM&feature=related (big bang and large hadron collider)

Questions -

1. What simple statement was proven false? How?

2. Do these new particles exist in ordinary matter? How are they obtained?

3. Name the 2 ‘families’ of subatomic particles, and classify the 3 we learned.

4. What happens when a particle and an antiparticle collide? Give an example of a particle and its antiparticle.

5. According to this article, how many elementary particles are there?

6. What are scientists hoping to find?