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ENGAGE: Demonstration Presentation 6th Grade Organisms and Environments ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments 1. What is a cell? 2. All living organisms are composed of how many cells? 3. What cell organelles are in prokaryotic and eukaryotic cells? 4. How is DNA stored within prokaryotic and eukaryotic cells? 5. What are other similarities and differences between prokaryotic and eukaryotic cells? ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments Robert Hooke was a well-known scientist who lived during the 1600s. He observed a piece of cork under a microscope and noticed the arrangement of little boxes all in a row. He called these boxes cells because they reminded him of the rooms that monks would stay in. Hooke started observing other things under the microscope and soon discovered that all living things are made of cells. Non-living things are not made of cells. ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments Bacterium Bacterium 1. Organisms made of only one cell are called unicellular organisms. 2. Bacteria are unicellular organisms. 3. Bacteria you are familiar with include Salmonella, E. coli, and Streptococcus (strep throat). Not all bacteria are bad, though. Bacteria in your stomach and intestines help with digesting of food. ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments Plant Cells Animal Blood Cells 1. Organisms made of many cells are called multicellular organisms. Plants and animals are multicellular organisms. 2. Did you know that a person is made of trillions of cells? 3. Observe the pictures of the plant cells and the animal blood cells. ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments Instructions: 1. Cells are so small that you have to use a microscope in order to see them. 2. Using the microscope, observe the piece of cork. ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments 1. What does the cork look like? 2. Is cork living or non-living? 3. Is the cork unicellular or multicellular? 1. Read the question and think about the answer. 2. Turn to the partner next to you and share your answers. 3. After each person has spoken, collaborate on the best answer. ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments 1. What did you learn about cells in this demonstration? 2. What else do you want to know about cells? 3. Anything else you want to share about this topic? ENGAGE: Demonstration Presentation 6.12AB: Prokaryotic and Eukaryotic Cells Organisms and Environments Now it is time to explore more about prokaryotic cells and eukaryotic cells.