Instructional Video
Sophia Learning

Sophia: Subatomic Particles: The Proton: Lesson 3

9th - 10th
This lesson will explain that protons are positively charged particles having a mass of one amu and are found in the nucleus of the atom. It is 3 of 3 in the series titled "Subatomic Particles: The Proton."
Instructional Video
Sophia Learning

Sophia: Subatomic Particles: The Proton: Lesson 1

9th - 10th
This lesson will explain that protons are positively charged particles having a mass of one amu and are found in the nucleus of the atom. It is 1 of 3 in the series titled "Subatomic Particles: The Proton."
Instructional Video
Sophia Learning

Sophia: The Atom: Lesson 1

9th - 10th
This lesson will illustrate that an atom is mostly empty space and has a positively charged, massive core (containing both protons and neutrons called the nucleus) surrounded by negatively charged electrons. It is 1 of 3 in the series...
Instructional Video
Sophia Learning

Sophia: Acids and Bases Definitions: Bronsted Lowry: Lesson 2

9th - 10th
This lesson will give the Bronsted-Lowry definition of an acid and a base and show several examples. It is 2 of 2 in the series titled "Acids and Bases Definitions: Bronsted-Lowry."
Instructional Video
Sophia Learning

Sophia: Calculating [H+]: Lesson 1

9th - 10th
This lesson will demonstrate how to calculate the H+ concentration given the pH of a solution. It is 1 of 2 in the series titled "Calculating [H+]". [4:30]
Instructional Video
Sophia Learning

Sophia: Calculating P Oh: Lesson 2

9th - 10th
This lesson will demonstrate how to calculate the pOH of a solution knowing the total of both pH and pOH is 14. It is 2 of 2 in the series titled "Calculating pOH."
Instructional Video
Sophia Learning

Sophia: Atomic Number: Lesson 7

9th - 10th
This lesson will define atomic number and explain what happens if the number of protons in an atom changes. It is 7 of 7 in the series titled "Atomic Number."