1.The motion of atoms in all directions in solids, liquids, and gases is called _____.
a. radiation c.random motion
b.convection d.magnetism
2. In a chemical reaction, ______.
a. compounds are broken down c. both a and b
b. new compounds are formed d. nether a nor b
Consider a concept map that shows a marshmallow added to a cup of hot cocoa. Answer the following question.
3. By what means does the transfer of energy take place?