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Station one.

Station one. . Take two spinach leaves, mark one A and one B. Put leaf A in container A and put leaf B in container B. Soak them for 10 sec. move them in the solution to make sure that they are soaked properly.

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Station one.

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  1. Station one. • Take two spinach leaves, mark one A and one B. • Put leaf A in container A and put leaf B in container B. Soak them for 10 sec. move them in the solution to make sure that they are soaked properly. • Take both leaves out of the solution and lay them down on a dry paper towel for 10 sec. • Hold both leaves up and answer the questions.

  2. Station one • Which of the leaves wilted and which one kept standing up high? • Draw a diagram to show the vacuoles for both leaf cells after they were soaked in the solutions. • Explain what happened to both plants turgor pressures.

  3. Station two • Use the balloon provided and blow some air inside it. Put the balloon inside the paper frame. Keep adding air to the balloon a little at a time and observe the shape of the paper frame. • Answer the questions:

  4. Station two • Explain how the shape of the paper frame changes with the changing of the amount of air inside the balloon. • Draw at least three diagrams to show those changes. (not enough, good amount, too much) • What does the paper frame represent? • What does the balloon represent? • What does the air inside the balloon represent? • Write two limitations of this model.

  5. Station 3 • B. B. Explain the similarities and differences picture A, B, and turgor pressure.

  6. Station 4 Write each statement and fill in the blanks. • I transport water up through the roots to the rest of the plant. What am I? _____________ • Wilting in a plant means it has a ________ of _________ ________. • I transport nutrients throughout the entire plant. What am I? _____________ • Photosynthesis occurs in me and a green pigment. What am I? ___________ • I hold the water to give the cell the ability to stand up right. What am I? ________. • The three reactants for photosynthesis to occur are _________, _________, & _______. • The loss of turgor pressure in a plant results in ________. • The two products as a result of photosynthesis are _________ & _______. • This is bigger in the plant cell than in the animal cell _______. • The organelle that holds the chlorophyll is the _______________.

  7. Station Five • http://www.kscience.co.uk/animations/turgor.htm • Define Turgor Pressure. • Explain what happen to plants when they lose water. Draw a diagram. • Explain what happen to the plants when they gain water. Draw a diagram.

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