1. What am I?

2. Monarch Butterfly

3. What am I?

4. Orange

6. Sponge

8. Onion

9. ALL living organisms are made up of cells!!!

10. In and Around Cells A lesson presented by…

11. What is a cell? A cell is the smallest unit capable of performing life functions. The cell theory states the following: All living organisms are made up of cells. Cells are the basic unit of structure and function in an organism. All cells arise from other cells.

12. What does a cell do? Cells take in nutrients, convert those nutrients into energy, reproduce, grow and produce proteins that are essential to life's functioning.

14. Cell Identification Plant Cell Animal Cell

15. What is inside a cell? Cells are made up of parts called organelles or “little organs”.

16. Cell Membrane The outer boundary of the cell that controls the movement of materials in and out of the cell. Found in both plant and animal cells.

17. cell membrane x

18. Cytoplasm The fluid within the cell that contains organelles and aids in moving things around in the cell.

19. cell membrane x cytoplasm

20. Mitochondrion Contains the energy to power the cell's activities. It changes the energy stored in food compounds into a useful form of food. Found in both plant and animal cells.

21. cell membrane x cytoplasm mitochondrion

22. Nucleus One of the larger organelles found in all cells. It is usually the shape of a sphere and contains the cell's genetic material. It is the control center of the cell. Found in both plant and animal cells.

23. cell membrane x cytoplasm mitochondrion nucleus

24. Cell Wall The tough, rigid outer covering that surrounds the cell membrane of plant cells. It protects plant cells and helps the plant keep its shape.

25. cell membrane x cytoplasm mitochondrion nucleus cell wall

26. Chloroplast Green oval-shaped structures that enable plants cells to make sugars through photosynthesis.

27. cell membrane x cytoplasm mitochondrion nucleus cell wall chloroplast

28. Vacuole A sac that absorbs water, stores proteins, ions and waste products. These organelles are large in plant cells and small in animal cells.

29. cell membrane x cytoplasm mitochondrion nucleus cell wall chloroplast vacuole

30. Ribosomes Tiny ball-like structures found in both plant and animal cells. Proteins are formed in these organelles.

31. cell membrane x cytoplasm mitochondrion nucleus cell wall chloroplast vacuole ribosomes

32. What size is a cell? Cells come in many sizes….

33. Looking at cells with a QX5 microscope

34. What shape is a cell? Cells come in many shapes...

35. Orchid cells skin (cheek) cells stomach cells plant root cells

36. Activity: Investigating Cell Shapes

37. Area = Side x Side Area = Length x Width Area = ½ (Base x Height) Area = π (radius 2 ) Area

38. Area of a Square Area = Side x Side A = S x S OR S 2 A = 10 cm x 10 cm OR 10 2 A = 100 cm 2

39. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 Rectangle Triangle Circle

40. Area of a Rectangle Area = Length x Width A = L x W A = 15 cm x 5 cm A = 75 cm 2

41. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 Rectangle 75 cm 2 Triangle Circle

42. Area of a Triangle Area = ½ (Base x Height) A = ½ (B x H) A = ½ (15 cm x 10 cm) A = ½ (150) A = 75 cm 2

43. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 Rectangle 75 cm 2 Triangle 75 cm 2 Circle

44. Area of a Circle Area = π (radius 2 ) A = π (r 2 ) A = π (6.5 cm) 2 A = π (42.25 cm 2 ) A = 3.14 x 42.25 cm 2 A = 132.67 cm 2

45. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm2 Rectangle 75 cm2 Triangle 75 cm2 Circle 132.67 cm 2

46. Distance Around

47. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 Rectangle 75 cm 2 Triangle 75 cm 2 Circle 132.67 cm 2

48. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 40 cm Rectangle 75 cm 2 Triangle 75 cm 2 Circle 132.67 cm 2

49. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 40 cm Rectangle 75 cm 2 40 cm Triangle 75 cm 2 Circle 132.67 cm 2

50. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 40 cm Rectangle 75 cm 2 40 cm Triangle 75 cm 2 40 cm Circle 132.67 cm 2

51. Activity: Investigating Cell Shapes Shape:Area of the Shape (in square centimeters): Distance Around the Shape (in centimeters): Square 100 cm 2 40 cm Rectangle 75 cm 2 40 cm Triangle 75 cm 2 40 cm Circle 132.67 cm 2 40 cm

52. What have we learned about a circle? It is the shape that covers the largest area in relation to the distance around it. It maximizes its space!

53. What would be the best shape for a cell? Let’s think about the function of the cell membrane again… - the outer boundary of the cell that controls the movement of materials in and out of the cell.

54. So, why aren’t all cells circular in shape?

55. Get ready to test your Cell IQ!!!

56. Question 1: All living organisms are made up of cells. A. True B. False

57. Question 1: All living organisms are made up of cells. A. True

58. Question 2: According to the Cell Theory… A. All cells have cell walls. B. All cells arise from other cells. C. All cells have a nucleus.

59. Question 2: According to the Cell Theory… B. All cells arise from other cells.

60. Question 3: You can see most cells without a microscope. A. True B. False

61. Question 3: You can see most cells without a microscope. B. False

62. Question 4: Plant cells have organelles (parts) that animal cells do not. A. True B. False

63. Question 4: Plant cells have organelles (parts) that animal cells do not. A. True

64. Question 5: Which of the following choices is not a part of a cell? A. Lung B. Vacuole C. Chloroplast

65. Question 5: Which of the following choices is not a part of a cell? A. Lung