NGSS
HS-PS3-4
9 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Physical Science · Chapter 6 · Lesson 5
Two objects in contact do not meet in the middle.
Honors Chemistry · Chapter 4 · Lesson 1
The route does not matter, which is why the law works.
Honors Chemistry · Chapter 4 · Lesson 3
Not disorder — the number of ways.
Honors Chemistry · Chapter 4 · Lesson 4
Temperature decides half the cases.
Honors Chemistry · Chapter 4 · Lesson 5
Thermodynamics says whether; kinetics says when.
Physics · Chapter 6 · Lesson 1
Temperature and Thermal Energy
A spark is hotter than a bath and carries far less.
Physics · Chapter 6 · Lesson 2
Three mechanisms, and cold is not one of them.
Physics · Chapter 6 · Lesson 3
Why the sea is cold and the sand is not.
Physics · Chapter 6 · Lesson 4
Energy is conserved, and it still runs out.