NOTE*** IN HOMEWORK #1, GRIFFINSCIENCE.COM WAS UNMENTIONED FOR REFERENCE IN THE HOMEWORK!!! IT HAS NOW BEEN MENTIONED FOR HOMEWORK #1. THANK YOU!!!
Homework Part 2
1. A physical change is where nothing new is formed and a chemical change is where a something new is formed.
2. a. Solids are formed
b. Changes Colors
c. Gas
d. Light
3. "Mass is neither created nor destroyed in a Chemical Reaction." This was created by Antoine Lavoisier.
4. Temperature = total of atoms in item
Thermal = average number of atoms in item
5. An example of endothermic reaction is an ice cube melting. An example of an exothermic reaction is fireworks going off.
http://www.physlink.com/education/askexperts/ae244.cfm
http://wiki.answers.com/Q/Four_ways_you_can_tell_a_chemical_change_has_taken_place
http://www.qa02.com/edu/what-is-an-example-of-a-exothermic-reaction.html
http://en.wikipedia.org/wiki/Conservation_of_mass
http://wiki.answers.com/Q/What_is_the_law_of_conversation_mass
http://wiki.answers.com/Q/How_is_temperature_different_from_thermal_energy
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