How to use the Read-To-Me Feature,
The Slide to Slide Navigation within a Lesson,
The Full Screen Button, & The Table of Contents Controls

Slide LISTEN in English LISTEN in Spanish Introduction full-screen Scroll down to
choose another lesson
Lesson Navigation Arrow

Each lesson is presented from left to right in a sequence of slides.
go to next slide go to previous slide

Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8


Complies with NGSS:

NGSS 5.Matter and Energy in Organisms and Ecosystems
5-PS3-1, 5-LS1-1, 5-LS2-1

Core Disciplinary Ideas:
PS3.D: Energy in Chemical Processes and Everyday Life
LS1.A: Structure and Function, LS1.C: Organization for Matter and Energy Flow in Organisms
LS2.A: Interdependent Relationships in Ecosystems

Biology: Cells Through a Microscope
Meet the Eukaryotes.
Meet the Cells in Your Mouth that Have NO Nuclei — Bacteria.