10/25 & 10/26 - 7 th Grade Agenda Learning Objective: Learn about Cells Collect: HW Reading Guide Chap 2 Section 2 & 4 Cells Lens & Mirror Lab Video: Science.

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10/25 & 10/ th Grade Agenda Learning Objective: Learn about Cells Collect: HW Reading Guide Chap 2 Section 2 & 4 Cells Lens & Mirror Lab Video: Science in Action “Cells” Class Reading p HW: Reading & Note Taking : p HW: Cell Model due 11/7 & 11/8

Reflection Why do we see optical illusions? (Write the answer in complete sentence)

More Optical Illusions

Stare at this for 20 seconds & then I’ll switch to a blank slide

Which center circle is larger

Are they moving?

Convex Mirror

Concave Mirror

Convex Lenses

Concave Lenses produces smaller image

Gali_____’s Telescope He was the first man to observe the moons of Jupiter and craters on the moons with a telescope in 1608 leo

What is a Refracting Telescope? A telescope that uses convex le______ to gather a large amount of light onto a small area nses

What is a Reflecting Telescope? A telescope that uses mi_______ to focus a large amount of light onto a small area rrors

What is the difference between refracting and reflecting telescope?

What is a Radio Telescope A telescope that uses curved, reflecting surfaces to concentrate faint ra_____ wa______ from outer space onto small antennas dio ves

Four views of the Crab Nebula using different telescopes

Microscope A Microscope uses a combination of le_____ to form enla_______ image of tiny objects nses rged

Electron Microscope Electron microscopes uses ele______ instead of li______ to produce a magnified image ctrons ght

Reflection How does an image appear in a concave mirror? How can you make the image appear upside down in a concave mirror? How does an image appear in a convex mirror?

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

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

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

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

Cell Model Project – 40 Points Due 11/7 & 11/8 3D Model of a cell. If it is just a drawing you will loose at least 10 points.

Cell Video

Lens & Mirror Lab Write 3 observations that you made in the Lens and Mirror Lab.

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