NGSS
HS-LS1-3
9 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Biology · Chapter 2 · Lesson 3
A fluid mosaic, not a wall with holes.
Biology · Chapter 2 · Lesson 4
Down a gradient, and nothing intends it.
Biology · Chapter 2 · Lesson 5
Uphill costs, and the cell pays.
Honors Biology · Chapter 2 · Lesson 5
A message that never enters the cell.
Honors Biology · Chapter 8 · Lesson 1
Steady is not the same as static.
Honors Biology · Chapter 8 · Lesson 2
Fast and targeted, or slow and broadcast.
Honors Biology · Chapter 8 · Lesson 3
Recognition, then memory.
Honors Biology · Chapter 8 · Lesson 4
Different solutions to the same physical problem.