10/13 & 10/14 - 7th Grade Agenda Learning Objective: Learn about rods and cones Collect: HW: Reading Guide Chap 2 Section 3 Chap 2 Test Video: Cow eye dissection Video Video: Test your Brain Class Reading: p. 46 – 49 & 62 - 64 HW: Reading Guide Chap 2 Section 4 & 2

Reflection What is the difference between Rods and Cones cells? (write in complete sentence)

The basic unit of structure and function in living things is called C_____ ells

croscope The invention of the mi_______ made it possible for people to discover and learn about cells

Drawing of dead cork cells by Hooke In 1663 Robert Hooke observed the structure of thin slice of c____ using com________ microscope ork pound Drawing of dead cork cells by Hooke

Microscopes rge arp Resolution: How sh______ an image can appear Magnification: How la______ an image can appear. Resolution: How sh______ an image can appear rge arp

Which image has higher resolution? B

Which image has higher magnification? B

What is the total magnification of the microscope? 10X 20X 10 X 20 = 200

What is the total magnification of the microscope? 10X 15X 10 X 15 = 150

Grain of Pollen Scanning Electron Microscope Optical Microscope

More Electron Microscope Images

Head of a Mosquito 1000 X 200 X

Guess what this is? Toilet Paper Magnified 500X

Real pictures of silicon atoms What was the magnifications? 1,000,000 X

Cell Theory: All l______ things are composed of cells iving

Cell Theory: Cells are the basic unit of str______ and f________ in living things ucture unction

Cell Theory: All cells are pr_______ from other cells oduced

iPad Lab Remember your seat number. For seat #1 -20, your iPad is “A+ Seat #” For Seat #21-38, your iPad is B+ 20 + Seat # For Seat #0 your iPad is B20