Match each vocabulary term to its definition. 1. electrons positively charged, subatomic particles 2. element a heterogeneous mixture 3. solution a homogeneous mixture 4. compound a substance with only one type of atom 5. protons two or more elements that have been chemically combined 6. colloid negatively charged, subatomic particles

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics