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The Cell. Fourth Grade. Teaching Message 1: All living things are made up of building blocks called cells. All living things are made of building blocks called CELLS. Humans, plants, animals, and bacteria are made up of one or many cells. Where do you think cells are located in our body?

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the cell

The Cell

Fourth Grade

slide3

All living things are made of building blocks called CELLS.

  • Humans, plants, animals, and bacteria are made up of one or many cells.
slide4

Where do you think cells are located in our body?

    • EVERYWHERE!!!
    • Humans are made up of cells that work together and build muscle, bones, skin, and other organs.
slide5
Teaching Message 2: Cells are incredibly small – so small that microscopes are needed to magnify them so that we can see them.
slide6

How many cells are in the human body?

    • 10 TRILLION!!! (10,000,000,000,000)
animation how big is a cell
Animation: “How big is a cell?”
  • http://www.cellsalive.com/howbig.htm
slide8
Teaching Message 3: Cells divide and make more cells to help us grow and repair in a process called mitosis.
  • Fertilized egg: the result of the fusion of an egg (from the mother) and a sperm (from the father)
  • Mitosis: the process through which cells divide
    • Each cell divides into two identical cells

http://www.answering-christianity.com/p648029-sperm_fertilizing_egg-spl.jpg

animation mitosis
Animation: Mitosis
  • http://www.youtube.com/watch?v=GO5YN_t1fqw
slide10

Teaching Message 4: All cells have the same basic parts to do specific tasks, including the cell membrane, nucleus, mitochondria, and endoplasmic reticulum.

the animal cell
The Animal Cell

Endoplasmic Reticulum

Nucleus

Cell Membrane

Cytoplasm

Mitochondria

slide12

Teaching Message 5: Cells differentiate to become specialized cells to carry out specialized functions to result in many different types of cells such as muscle cells, nerve cells blood cells, and others.

teaching messages
Teaching Messages
  • 1: All living things are made of cells.
  • 2: Cells are very small.
  • 3: Cells divide and make more cells to help us grow.
  • 4: All cells have the same basic parts to do specific tasks.
  • 5: There are many different types of cells in our body doing many different jobs.