1.   Living things are made of cells  Living things get and use energy  Genetic information passes from parents to offspring  Living things change over time The Big Ideas of Science

2. How are you like this creature?

3.   What are cells?  What is the cell theory?  How do microscopes work?  Vocabulary:  Cell  Microscope  Cell Theory Discovering Cells

4.   “Organisms & Magnification” Reading My Planet Diary

5.   Newspaper comparisons with eyes, hand lens, observation microscope  Prepared Cork Slide  Elodea  Animal Cell  Pond Water Inquiry Warm-Up: What Can You See?

6.   Cells are the basic units of structure and function in living things. What Are Cells?

7.  Needs of Cells Food Wastes Water Excess water Oxygen Carbon dioxide

8.  What is a theory? - A well-tested and widely accepted explanation of a natural phenomenon based on many observations and experimental results. -Robert Hooke: built first microscope, viewed bark of oak tree -Leeuwenhoek: first to see living cells through a microscope What Is the Cell Theory?

9.   All living things are composed of cells  Cells are the basic units of structure and function in living things  All cells are produced from other cells What Is the Cell Theory?

10.   Compound Microscope: Focus light through lenses to produce a magnified image  This microscope have a 10x lens in the eyepiece. The revolving nosepiece holds three different lenses: 4x, 10x, and 40x. How Do Microscopes Work? Eyepiece lens Revolving nosepiece Lenses Slide Stage Lens Light rays Light source

11.   Why is this called a compound microscope?  Where is the lens you look through?  Why are there several lenses on the revolving nosepiece?  What is the light source for this microscope?  How is using a microscope different from using a magnifying glass?  What do you have to do to sharpen and focus the image? How Do Microscopes Work?

12.   The images in colorful photographs actually consist of only a few ink colors in the form of dots. Resolution

13.   Pg. 7: 1a, 1b, & I get it!  Pg. 11 2a, b, c, d, & I get it!  Class Review Assess Your Understanding