10/20 & 10/21 - 7th Grade Agenda

Learning Objective: Learn about rods and cones Collect: HW: Reading & Note Taking : p. 45 - 48Video: Eyewitness SightRing Tone testWho wants to be a Millionaire Chap 2 Class Reading: p. 65- 69HW: Reading & Note Taking : p. 49 - 52

Reflection

• Explain the reason why everyone has a blind spot (write in complete sentence)

Ring tone for young people. Also used to disperse youngsters in

front of stores.

Reflection

• Reflection occurs when an object or wave bou_____ back off a surface through which it cannot pass.

nce

Convex Mirror

Concave Mirror

Refraction

• Bending of light waves due to change in spe____ is known as refraction

ed

Why does this pencil appear broken?

• Because light slowed down as it entered the glass as water

Convex Lenses

Concave Lenses produces smaller image

Parts of the Eye

Image is projected up_______ down. Left eye sends the image to the r____ side of the brain. Right eye sends the image to the l____

side of the brain.

sideight

eft

Rods and Cones

• Rods responds to lig______

• Cones respond to co_____

ht

lor

Nearsightedness

Farsightedness

Lasik OperationReshapes the cornea

Optical Illusions

How many black dots are there?

Which Labeled Square is Darker?

Are the wheels turning?

Do you see diagonal gray lines?

Optical Illusion Videos

Finding your blind spot