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Photosynthesis Inquir y

Photosynthesis Inquir y. Academy of the Sacred Heart 8 th grade. Goals. Learn the process of planning, setting up and carrying out an investigation. Learn how to phrase questions so they are testable. Learn how aquatic plants photosynthesize.

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Photosynthesis Inquir y

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  1. Photosynthesis Inquiry Academy of the Sacred Heart 8th grade

  2. Goals • Learn the process of planning, setting up and carrying out an investigation. • Learn how to phrase questions so they are testable. • Learn how aquatic plants photosynthesize. • Learn that the rate of photosynthesis can be affected by many variables. • Learn how a pond plant changes the amount of oxygen in the pond over the course of a 24 hour period. • Present findings to class and make connections to other teams’ questions.

  3. Inquiry starter

  4. Sample Student Questions • Does the angle of the light affect the rate of photosynthesis? • Does the type of light bulb affect the rate of photosynthesis? • Does the type of plant change the rate of photosynthesis? • Does the distance from the light affect the rate of photosynthesis? • Does the liquid in the test tube affect the rate of photosynthesis? • Does the temperature of the water in the test tube affect the rate of photosynthesis?

  5. Sample Student Investigations Do different size light bulbs affect the rate of photosynthesis?

  6. Do different types of water affect the rate of photosynthesis? Variables: types of water – salt, tap, distilled and pond water tested

  7. Does the temperature of the water change the rate of photosynthesis?

  8. Does the distance from the light change the rate of photosynthesis?

  9. Does a color filter affect the rate of photosynthesis?

  10. Measuring because you WANT to

  11. Student presentations and info sharing

  12. Preparing to present

  13. Dpes

  14. Tricks for the teacher1. Decide which variables you will let them change ahead of time. 2. Remove the beaker of water.3. Put a fresh cut on the plant each day.4. Put plant cut side up5. Look for bubbles under the leaves as well as coming out of the stem.

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