1. Pg. 1—7.6B Physical and Chemical Changes
Monday March 19, 2017
Learning Target: 7.12B-Identify the main function of the digestive system. 7.6B-Distinguish between physical and chemical changes in matter in the digestive system. 7.7B-Illustrate the transformation of energy within an organism such as the transfer from chemical energy to heat and thermal energy in digestion.
Agenda- 3/19—Introduction to Digestive System, 3/20—Reading/Notes Digestive System, 3/21—Continue Digestive System, 3/22—Begin Excretory System, 3/23—Possible Quiz on Digestive and Excretory Systems
DCA on Body Systems—April 19
Science Starter:
Body Systems Workbook
Worth the Wait forms
Pg. 1—7.6B Physical and Chemical Changes
Supplies:
Body systems workbook
Pencil
Agenda
By the end of class, I will be able to distinguish between physical and chemical changes.
(Specifically chewing food and enzymes acting on food)

3. Daily Agenda Finish Physical and Chemical Changes
Social Contract Rater/Tell me something GOOD!
Worth the Wait forms due Friday April 27
DCA Body Systems—April 19
Frog Dissections—April 25
Introduction to Body Systems--VIDEO
Pg. 10—Saltine cracker LAB (YES YOU GET TO EAT!)
Pg. 11--Wonderful World of Digestion (label the digestive system diagram)
Pgs Digestive System Notes
Launch—Make Good Choices

4. It all starts in the Pg. 10 in the Body System Workbook
Read introduction
Answer the prediction question
Step 1
Step 2—we will do this as a class. Wait for instructions to begin.
Record time on Step 3…use the timer from the board
Answer Step 4 question
Mark through step 5
Reflection questions 1-5

5. Turn in --Worth the Wait forms
Tuesday March 20, 2017
Learning Target: 7.12B-Identify the main function of the digestive system. 7.6B-Distinguish between physical and chemical changes in matter in the digestive system. 7.7B-Illustrate the transformation of energy within an organism such as the transfer from chemical energy to heat and thermal energy in digestion.
Agenda- 3/20—Reading/Notes Digestive System, 3/21—Continue Digestive System, 3/22—Begin Excretory System, 3/23—Possible Quiz on Digestive and Excretory Systems
DCA on Body Systems—April 19
Supplies:
Body systems workbook
Textbook
Pencil
Agenda
Science Starter:
Turn in --Worth the Wait forms
Read pgs in your textbook and answer the chart.
Trade and grade
By the end of class, I will be able to explain the 4 main functions of the digestive system.

6. Daily Agenda Reading on Digestive System pgs. 439-440
Social Contract Rater/Tell me something GOOD!
Worth the Wait forms due Friday April 27
DCA Body Systems—April 19
Frog Dissections—April 25
Pg. 11--Wonderful World of Digestion (label the digestive system diagram)
Pgs Digestive System Notes
Launch—Make Good Choices

7. Digestive System pgs

8. Functions of the Digestive System
Ingestion = food
enters the mouth

9. Functions of the Digestive System
Ingestion = food enters the
mouth
Digestion =
process that breaks
food down into
small molecules

10. Functions of the Digestive System
Ingestion = food enters the
mouth
Digestion = process that
breaks food down into small
molecules
Mechanical
digestion = food is
chewed and churned
Chemical digestion =
breaks down large food
molecules into smaller
molecules to be
absorbed by cells

11. Functions of the Digestive System
Ingestion = food enters the
mouth
Digestion = process that
breaks food down into small
molecules
Absorption =
small molecules of
food are taken into
the body cells

12. Functions of the Digestive System
Ingestion = food enters the
mouth
Digestion = process that
breaks food down into small
molecules
Absorption = small
molecules of food are taken
into the body cells
Elimination =
wastes made of
unabsorbed food
molecules pass out of the body

13. Which is not a function of the digestive system?
Breaking down food into molecules the body can use
Absorbing food molecules into the blood to deliver to the body
Changing waste into molecules the body can use
Eliminating undigested waste from the body

14. Organs of the Digestive Tract
Mouth = digestion starts here

15. Organs of the Digestive Tract
Mouth = digestion starts here
Tongue & teeth mechanically break food up

16. Organs of the Digestive Tract
Mouth = digestion starts here
Tongue & teeth mechanically break food up
Saliva chemically digests food
Saliva = mostly made of
water, also contains
mucus & ptyalin (an
enzyme)

17. Organs of the Digestive Tract
Mouth = digestion starts here
Tongue & teeth mechanically break food up
Saliva chemically digests food
Saliva = mostly made of
water, also contains
mucus & ptyalin (an
enzyme)
When swallowing, epiglottis
(a small flap of tissue) automatically closes over the trachea (windpipe)

18. Organs of the Digestive Tract
Esophagus
Smooth muscles force food into the mucus-lined esophagus
Rhythmic muscular
contractions
(peristalsis) push food
downward

19. Organs of the Digestive Tract
Stomach
Food undergoes mechanical digestion when stomach muscles churn the food
Chemical digestion
happens when hydrochloric
acid (HCl) and pepsin
break down the complex
proteins
Peristalsis pushes the food
toward stomach’s exit

20. Which is not an example of mechanical digestion?
Teeth chewing food
Tongue breaking up food
Smooth muscles in stomach churning food
Pepsin & HCl breaking down proteins

21. What are the muscle contractions that push food through the digestive system called?
Elimination
Peristalsis
Epiglottis
Pepsin

22. What is this structure?
Mouth
Epiglottis
Esophagus
Stomach

23. Organs of the Digestive Tract
Small Intestine (6 meters long)
Most digestion happens here
Intestinal juice
(full of enzymes)
breaks down food

24. Organs of the Digestive Tract
Small Intestine (6 meters long)
Most digestion happens here
Intestinal juice (full of enzymes) breaks down food
Digestive Helpers
Liver = bile is
produced here (Bile
breaks up fats like
dish detergent
breaks up grease)

25. Organs of the Digestive Tract
Small Intestine (6 meters long)
Most digestion happens here
Intestinal juice (full of enzymes) breaks down food
Digestive Helpers
Liver = bile is produced
here (Bile breaks up fats
like dish detergent breaks
up grease)
Gall bladder = bile
is stored here until
released into the small intestine

26. Organs of the Digestive Tract
Small Intestine (6 meters long)
Most digestion happens here
Intestinal juice (full of enzymes) breaks down food
Digestive Helpers
Liver = bile is produced
here (Bile breaks up fats
like dish detergent breaks
up grease)
Gall bladder = bile is
stored here until released
into the small intestine
Pancreas = produces
pancreatic juices that
are released into the small intestine to break down proteins,starches, & fats

27. Organs of the Digestive Tract
Small Intestine (6 meters long)
Most digestion happens here
Intestinal juice (full of
enzymes) breaks down food
Digestive Helpers
Liver
Gall bladder
Pancreas
Digested food is
absorbed through the villi into a network of blood vessels that carry the nutrients to all parts of the body

28. Organs of the Digestive Tract
Small Intestine (6 meters long)
Most digestion happens here
Intestinal juice (full of enzymes)
breaks down food
Digestive Helpers
Liver, Gall bladder, Pancreas
Digested food is absorbed
through the villi into a network of
blood vessels that carry the
nutrients to all parts of the body
e) By the time food leaves the small intestine, it is empty of all nutrients except water

29. Where does most digestion take place?
Mouth
Stomach
Small intestine
Liver

30. Which is true about bile?
Bile breaks down proteins.
Bile is produced in the liver.
Bile is stored in the pancreas.
Bile is released into the stomach.

31. What is this structure?
Liver
Stomach
Gall bladder
Pancreas

32. Organs of the Digestive Tract
Large Intestine (1.5 meters long)
Undigested food spends hours here & most of the water is absorbed

33. Organs of the Digestive Tract
Large Intestine (1.5 meters long)
Undigested food spends hours here & most of the water is absorbed
Helpful bacteria
living in large
intestine make
vitamins K & B

34. Organs of the Digestive Tract
Large Intestine (1.5 meters long)
Undigested food spends hours here & most of the water is absorbed
Helpful bacteria living in
large intestine make vitamins
K & B
Materials not
absorbed form into
solid waste (dead
bacteria, some fat &
protein, undigested
food, dried out parts of
digestive juices & old intestinal cells)

35. Organs of the Digestive Tract
Large Intestine (1.5 meters long)
Undigested food spends hours here & most of the water is absorbed
Helpful bacteria living in large
intestine make vitamins K & B
Materials not absorbed form into
solid waste (dead bacteria,
some fat & protein, undigested
food, dried out parts of digestive
juices & old intestinal cells)
Solid waste passes
into the rectum and is stored until it is eliminated from the body through the anus

36. Which process occurs in the large intestine?
Digested food is absorbed.
Undigested food is absorbed.
Water is added to undigested food.
Water is absorbed from undigested food. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

37. Which structure is the large intestine?B C D A B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

38. What do the bacteria in the large intestine do?
Make you sick
Make bile
Make vitamins
Make food 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

39. Science Starter: Turn in --Worth the Wait forms Workbook pg.2 (7.7B)
Wednesday March 21, 2017
Learning Target: 7.12B-Identify the main function of the digestive system. 7.6B-Distinguish between physical and chemical changes in matter in the digestive system. 7.7B-Illustrate the transformation of energy within an organism such as the transfer from chemical energy to heat and thermal energy in digestion.
Agenda- 3/21—Continue Digestive System, 3/22—Begin Excretory System, 3/23—Possible Quiz on Digestive and Excretory Systems
DCA on Body Systems—April 19
Supplies:
Body systems workbook
Chromebook
Pencil
Agenda
Science Starter:
Turn in --Worth the Wait forms
Workbook pg.2 (7.7B)
By the end of class, I will be able to explain the 4 main functions of the digestive system.

41. Daily Agenda Social Contract Rater/Tell me something GOOD!
Worth the Wait forms due Friday April 27
DCA Body Systems—April 19
Frog Dissections—April 25
Pgs Digestive System Notes
Pgs Digestive System Texas Gateways
Pgs Energy Transformations Mini Lesson
Launch—Make Good Choices

42. Tracking Energy Transformations
As the mountain biker pedals, his leg muscles transform chemical energy into kinetic energy.
Kinetic energy of his leg muscles transforms into kinetic energy of the bicycle as he pedals.

43. Tracking Energy Transformations
Some of this energy transforms into potential energy as he moves up the hill.
Also, some energy is transformed into thermal energy.
His body is warmer because chemical energy is being released

44. Tracking Energy Transformations
Because of friction, the mechanical parts of the bicycle are warmer, too.
Thermal energy is almost always produced by an energy transformation.

45. Tracking Energy Transformations
Because of friction, the mechanical parts of the bicycle are warmer, too.
Thermal energy is almost always produced by an energy transformation.
The energy transformations that occur when people exercise, when cars run, when living things grow and even when stars explode, all produce thermal energy.

46. Law of Conservation of Energy
Energy is never created or destroyed.
The only thing that changes is the form in which energy appears.
Example: When the biker is resting at the summit, all his original energy is still around. Some of the energy is in the form of potential energy, which he will use as he coasts down the hill. Some of this energy was changed to thermal energy by friction in the bike. Chemical energy was also changed to thermal energy in the biker’s muscles, making him feel hot As he rests, this thermal energy moves from his body to the air around him. No energy is missing--- it can all be accounted for.

47. Energy Changes Form
A car engine burns gasoline, converting the chemical energy in gasoline into mechanical energy. Solar cells change radiant energy into electrical energy. Energy changes form, but the total amount of energy in the universe stays the same.

48. Transforming Thermal Energy
Chemical energy changes into thermal energy when something burns.
Electrical energy changes into thermal energy when a wire that is carrying an electric current gets hot.
Thermal energy can be transformed into radiant energy such as when a bar of metal is heated to a high temperature, it glows and gives off light.

49. Science Starter: Turn in --Worth the Wait forms Vocabulary—pgs. 5-9
Thursday March 22, 2017
Learning Target: 7.12B-Identify the main function of the digestive and excretory system. 7.6B-Distinguish between physical and chemical changes in matter in the digestive system. 7.7B-Illustrate the transformation of energy within an organism such as the transfer from chemical energy to heat and thermal energy in digestion.
Agenda- 3/22—Begin Excretory System, 3/23—Possible Quiz on Digestive and Excretory Systems
DCA on Body Systems—April 19
Supplies:
Body systems workbook
Chromebook
Pencil
Agenda
Science Starter:
Turn in --Worth the Wait forms
Vocabulary—pgs. 5-9
By the end of class, I will be able to explain the energy transformations that occur in the digestive system.

50. Daily Agenda Social Contract Rater/Tell me something GOOD!
Worth the Wait forms due Friday April 27
DCA Body Systems—April 19
Frog Dissections—April 25
Pgs Digestive System Texas Gateways
Pgs Energy Transformations Mini Lesson
Pg. 18--Excretory System Prezi
Launch—Make Good Choices

51. Turn in --Worth the Wait forms
Friday March 22, 2017
Learning Target: 7.12B-Identify the main function of the excretory system.
Agenda- 3/23—Possible Quiz on Digestive and Excretory Systems
DCA on Body Systems—April 19
Science Starter:
Turn in --Worth the Wait forms
Read pg. 442 in the textbook and answer the infer question.
Trade and grade
Supplies:
Body systems workbook
Textbook
Pencil
Agenda
By the end of class, I will be able to explain the main function of the excretory system and the main organs of this system.

52. Daily Agenda Social Contract Rater/Tell me something GOOD!
Worth the Wait forms due Friday April 27
DCA Body Systems—April 19
Frog Dissections—April 25
Pg. 18--Excretory System Prezi
Video—Excretory System
Pgs. 19 Excretory System Notes
Pg. 20—Complete with your table group
If you finish everything you may take the digestive system and excretory system boards!
Launch—Make Good Choices

53. Excretory System

54. Functions of Excretory System
Rids blood of
wastes (urea)

55. Functions of Excretory System
Rids blood of
wastes (urea)
Controls blood
volume by removing
extra water
produced by cells

56. Functions of Excretory System
Rids blood of
wastes (urea)
Controls blood
volume by removing
extra water
produced by cells
Balances salts and
water so cells can function properly

57. Organs of the Excretory System
Renal Artery = carries blood into the kidney
Renal Vein = carries blood out of the kidney

58. Organs of the Excretory System
Kidneys = filter
blood that has
collected wastes
from cells

59. Organs of the Excretory System
Kidneys = filter
blood that has
collected wastes
from cells
Nephrons = filters
inside the kidneys
Produce urine
(sterile waste fluid,
96% water)

60. Organs of the Excretory System
Ureters = tubes that
lead from each kidney
to bladder

61. Organs of the Excretory System
Urinary bladder =
muscular organ that
holds urine

62. Organs of the Excretory System
Urethra = tube that
carries urine from the
bladder out of the
body

63. Other Excretory Organs
Skin = releases
perspiration (water
& salts) to cool off
body

64. Other Excretory Organs
Lungs = release carbon dioxide from the body