Alex Gr. 5 Science and Living/Non-Living Things Vocabulary

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Costi
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240613
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Alex Gr. 5 Science and Living/Non-Living Things Vocabulary
Updated:
2013-10-17 13:33:37
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Vocabulary living non things Gr Science
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Description:
life processes, cell, virus, bacteria, organelle, cell membrane, nucleus, cytoplasm, vacuole, cell wall, chloroplast, tissues, organs, systems
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  1. What are life processes?
    • Life processes are the six processes (activities) that all living things carry out.  These processes distinguish living from non-living things.

    • 1. getting energy
    • 2. using energy
    • 3. getting rid of waste
    • 4. reproducing
    • 5. growing
    • 6. reacting to change
  2. What is a cell?
    • A cell is the smallest unit of life.  The basic unit of a living organism.
  3. What is a virus?
    • A virus (non-living) is a tiny particle that can reproduce only inside the cells of living things (a virus does not carry out all the life processes).
  4. Define bacteria.
    • Bacteria are (living) tiny one-celled organisms, some of which can cause diseases (unlike viruses, they do carry out all the life processes).
  5. What is an organelle?
    • An organelle is a small structure inside a cell that performs a certain job.
  6. What is the cell membrane?
    • The cell membrane is found in both animal and plant cells, it is a thin layer that makes up the outside of the cell and controls what  enters and leaves it, for example: water and oxygen.
  7. What is a nucleus?
    • A nucleus is found in both animal and plant cells, thought of as the "brain" of the cell.  It controls the cell's activities, for example: the way the cell grows, develops, and divides.
  8. What is cytoplasm?
    • Cytoplasm is found in both animal and plant cells, it is the jellylike material that fills most of the cell.
  9. What is a vacuole?
    • A vacuole is found in both animal and plant cells.  It is a liquid filled structure in a cell that stores food, water, and waste.
  10. What is a cell wall?
    • A cell wall is found only in plant cells.  It is the stiff outer layer that helps keep plant cells firm and helps the whole plant keep its shape.
  11. What are chloroplast?
    Chloroplast are found only in plant cells.  It is the green cell part that traps and uses light energy.
  12. Define tissues.
    • Groups of similar cells form tissues.  They look alike and work together to do the same job.
    • Ex: Heart cells together make up heart tissue.
  13. What are organs?
    • Organs are made up of different kings of tissues that work together. For example, the heart is an organ made up of heart, muscle, nerve, blood, and other tissues.
  14. What are systems?
    Systems are made up of organs working together.  For example, the heart and blood vessels are organs in the circulatory system.

    cells  >  tissues  >  organs  >  systems
  15. What is an microscope?
    • A microscope is an instrument that magnifies very tiny things in order to make them appear larger.  We use microscopes to observe animal and plant cells.

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