Physics help needed please.?

Question

all thease questions i need awnsers too

1.what are four ways of identifying a chemical phase change?
2. what are five forms of energy
3.what are six forums of alternative energy?
4.what are three forums of fossil fuel?
5.what are three types of friction
6.what are the steps to the scientif method?
7. how do you calculate density?
8.what are three lawas of motion?
9.what is the formula for monentum
10. what is an indpendent variaale a depndent variable a control group and conttrolling variable?

i dont want you guys to awnser all of them if u dont know all of them just anwser the one you know thankyou (student)

Answer 1

2. potential, kinetic
3. solar, hydrogen, wind, water, geothermal.
4. natural gas, petroleum, ?
5. static and moving (not sure of name of 2nd one)
6. make hypotesis, design process to test hypothesis, do test, gather results, make conclusion if hypothesis was true or not.
7. weight per volume
8. f=ma is the biggie
9. i think it's vxm=vxm v is velocity (vectory) m is mass
10. independent is the one you change on purpose
dependent is the one you are checking to see if there is a change/relationship to the first one.
control group is the one you don't do anything to.

Answer 2

PHYSICS WEBSITES

http://www.bcspanthers.org/physicswebsites.htm

http://dmoz.org/Science/Physics/Education/

http://www.refdesk.com/science.html

http://library.thinkquest.org/10796/

http://www.staloysius.org/Myrtle/physics/ICT%20Resources%20by%20Topic.htm

http://www.physicsclassroom.com/

http://www.nsf.gov/news/classroom/physics.jsp

http://wdcrobcolp01.ed.gov/cfapps/free/displaysubject.cfm?sid=8&subid=75

http://sps.k12.ar.us/massengale/biology%20class%20notes2.htm

PROJECTS

http://www.scienceproject.com/projects/index/Senior/chemistry.asp

Good luck.

Kevin, Liverpool, England.