Paul Andersen 6/12/19 Paul Andersen 6/12/19 HS Unit - Little Particles Big World (HS-PS1-1, HS-PS2-1) Read More Paul Andersen 6/12/19 Paul Andersen 6/12/19 HS Unit - It's Always About the Valence Electrons (HS-PS1-1, HS-PS1-2) Read More Paul Andersen 6/12/19 Paul Andersen 6/12/19 HS Unit - Do you Matter? (HS-PS1-1, HS-PS1-2) Read More Paul Andersen 1/14/18 Paul Andersen 1/14/18 CODAP - Periodic Table Read More Paul Andersen 12/28/17 Paul Andersen 12/28/17 NSTA Resources - HS-PS1-1 Read More
Paul Andersen 6/12/19 Paul Andersen 6/12/19 HS Unit - Little Particles Big World (HS-PS1-1, HS-PS2-1) Read More
Paul Andersen 6/12/19 Paul Andersen 6/12/19 HS Unit - It's Always About the Valence Electrons (HS-PS1-1, HS-PS1-2) Read More
