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Exploring Cell Structures: Stations Activity for 7th Grade Science

This interactive stations activity is designed for 7th-grade students to explore the major structures and functions of cells. Students will engage in hands-on learning as they identify organelles, the cell membrane, and the nucleus, along with their respective roles in cellular processes such as osmosis and respiration. Stations include visual aids and questions that encourage critical thinking and collaboration, making the study of biology both fun and informative. Perfect for reinforcing cell biology concepts!

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Exploring Cell Structures: Stations Activity for 7th Grade Science

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  1. Stations on the Cell. Mrs. Reich’s Class standard 7-2.1 and 7-2.2

  2. Station 1 • What are the major structures of the cell called? • Organs • Organelles • Cell stuff • Tissue 2. Many organelles are too small to be seen without the aid of a _________________? • book • glasses • microscope • Partner 3.Look at the picture, what is the gel-like fluid inside of the cell called, suspending the organelles? • Plasma • Nucleus • Vacuole • Cytoplasm http://nobelprize.org/nobel_prizes/medicine/laureates/1999/med-cell-e.gif

  3. Station 2 • The thin, flexible outer covering of a cell which controls what enters and leaves is called the? • Cilia • Cytoplasm • Cell membrane • Cell wall • The picture to the right shows what function of the cells membrane? • Osmosis • Diffusion • Leaking • Selective choice 3. _____________is the diffusion of water across a membrane? • Diffusion • Tea bag Syndrome • Osmosis • Cell membrane http://wpcontent.answers.com/wikipedia/commons/thumb/c/cc/Scheme_simple_diffusion_in_cell_membrane-en.svg/626px-Scheme_simple_diffusion_in_cell_membrane-en.svg.png

  4. Station 3 • What is the control center of the cell and holds the genetic material? • Vacuole • Nucleus • Cytoplasm • Egg 2. ____________ acts as the temporary storage center and stores water, waste and water. • Vacuole • Nucleus • Cell membrane • Chloroplast • Look at the picture to the right, It is the site of photosynthesis and contains the chlorophyll used to make food. It is called the? • Vacuole • Mitochondria • Chloroplast • Cell wall http://www.rkm.com.au/CELL/Plant/plantcellimages/chloroplast.jpg

  5. Station 4 • Where is the site of respiration, and is known as the “powerhouse” of the cell? • Chloroplast • Mitochondria • Cell wall • Nucleus • The picture to the right provides support and shape for the plant cell, and is made of cellulose. What is it called? • Chloroplast • Cell wall • Cell membrane • Nucleus http://biology.unm.edu/ccouncil/Biology_124/Images/cellwall.jpeg

  6. Station 5 True or False • All cells have a cell membrane._____________ • All bacteria have a nucleus.____________ • Only plant cells have chloroplasts.___________ • Some bacteria have cell walls._____________ • The picture below is a picture of an animal cell_________.

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