11/10 & 11/12 - 7th Grade Agenda

Collect HW: Reading & Note Taking p.71 – 74 Respiration & Cell CycleBrain Pop PhotosynthesisMicroscope Lab #2.Pass back HW & TestClass Reading: 118 - 127HW: Reading Guide Chap 4 Section 1 & 2

Reflection

• Prompt: What is respiration. What is the difference between photosynthesis and respiration? (Write in complete sentence)?

Lunch with a Scientist

• Friday Nov 12th: James Web Telescope

• Friday Nov 19th: Mud flowing down burn areas

• Room 235

• 3 points Extra Credits for attending and writing a summary with 10 facts that you learned in the meeting.

• You can write the facts as bullet points.

What is Respiration?

• What is respiration?

What is Respiration?

• During pho______________ plants capture and save en_____ in the form of car_________ (sugars and starches)

tosynthesisergy

bohydrate

What is Respiration?

• After you e__, your body converts the carbohydrates into gl_______ (type of sugar)ucose

at

Respiration: 2 Stage Process

• Stage 1: Gl______ is broken down into smaller molecules

• Stage 2: Mit________ takes the ox______ and glucose and converts it into ca_____ dioxide, w______ & energy

ucose

ochondriaygen

rbonater

What is the relationship between Photosynthesis and

Respiration?• Photosynthesis and

respiration can be thought of as opposite processes

• Together these two process form a cycle that keeps the level of oxygen and carbon dioxide fairly constant

Fermentation provides en_______ from cells without

using ox_______ergy

ygen

Alcoholic Fermentation: Y_____is used to break down s______ and produce carbon dioxide (making br_____ and

be_____)

eastugar

eader

Lactic Acid Fermentation happens when you over work your

m_______ and your cells don’t get enough o_______

usclexygen

Cell Cycle

Interphase Prophase

Metaphase

AnaphaseTelophase

Cytokinesis

??

?

??

?

Interphase

• Stage 1: Interphase: Period before cell division occurs. – Cell is doing its J___

while growing (doubles in size)

– Replicates (make a copy) its DNA

ob

Mitosis : Prophase

Prophase:Identical Chromatids p______. They are held together by a centromere

air up

Mitosis : Metaphase

Metaphase: Chromosomes line up in the m______iddle

Mitosis : AnaphaseAnaphase: The centromeres split and the chromosomes are pulled a______part

Mitosis: TelophaseTelophase:Each set of chromosomes are F___ away and a nucleus forms around them

ar

CytokinesisCytokinesis

The cell membrane m______ inwards then pinches in two. This form 2 identical cells

oves

Microscope Lab

Microscope Lab #2Reflection

• Prompt: Observe a slide.

• 1. Write what it is.

• 2. Draw what you see.

• 3. Describe what you see.