1 / 12

Table of Contents

Table of Contents. Vocabulary Triangles. On p. 1 of your notebook, make vocabulary triangles for the following terms: Products Reactants Stomata Transpiration Photosynthesis Chlorophyll You can write all six on the same page. Plant Processes: Gas Exchange and Photosynthesis.

oliana
Télécharger la présentation

Table of Contents

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Table of Contents

  2. Vocabulary Triangles • On p. 1 of your notebook, make vocabulary triangles for the following terms: • Products • Reactants • Stomata • Transpiration • Photosynthesis • Chlorophyll • You can write all six on the same page

  3. Plant Processes: Gas Exchange and Photosynthesis

  4. What is gas exchange in plants? • When we inhale, we breathe in a mixture of gases we need for survival • When we exhale, we breathe out the waste products • In plants, CO₂ and H₂O are two substances needed for survival • CO₂ enters through the stomata • H₂O is absorbed through roots of the plant and released as water vapor through the stomata

  5. Gas Exchange • Light, H₂O and CO₂ all affect the opening and closing of stomata • Stomata are usually open during the day and close at night • When stomata closes, less CO₂ can enter and less H₂O can escape • When plants lose water vapor through stomata, this is called transpiration

  6. Photosynthesis • Photosynthesis is the process inwhich plants use light energy to make food • Chlorophyll is a chemical in plants that helps to capture this light energy • Other than light, plants also need H₂O and CO₂ • These molecules combine to form an organic compound, a carbohydrate (sugar) called glucose

  7. Process of Photosynthesis 6CO₂ + 6H₂O + light energy  C₆H₁₂O₆ + 6O₂ Carbon dioxide + water + light (and chlorophyll) produces glucose and oxygen • A plant needs 6 molecules of carbon dioxide (CO₂) and 6 molecules of water (H₂O) to make one molecule of glucose (C₆H₁₂O₆) • The chemical bonds in glucose contain the energy the plant needs for growth and survival and is the main source of food for plants • Oxygen is produced as a waste product during photosynthesis and released through plant stomata

  8. BrainPop • View the video and write the answers at the bottom of page 2 in your notebook

  9. Graphic Organizer • On each side of your graphic organizer, write the following: See the side board for a model. • What? • Where? • Why? • Who? • And copy the equations for photosynthesis and respiration (p. 430 and 432)

  10. In your groups: • Using pp. 426-434, answer the questions on the organizer. • Using the equations and the materials that you have read, fill in the boxes on the photocopy with either: USES or PRODUCES

  11. Uses Carbon Dioxide produces • Produces Oxygen uses • Uses water produces • Produces glucose uses • Stores energy releases

  12. Science Journal • Look at the chemical equations for Photosynthesis and respiration. What comparisons can you make about them? What do you notice about the products and the reactants of each?

More Related