6th gr. cmk How and Why Plants Make Food
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31 terms
Terms | Definitions |
|---|---|
 All living things, including plants, need food to give them ___________? | ENERGY |
| What does energy do for plants? | energy fuels life processes and materials (molecules) to build and repair their bodies |
| How do plants make food? | Through a process called PHOTOSYNTHESIS |
| What is needed for photosynthesis? | 1. H2O (water) 2. CO2 (carbon dioxide) 3. light (sun) |
| What is made by photosynthesis? | 1. Sugar (glucose) 2. O2 (oxygen) |
| Here is a summary of photosynthesis | Water (H2O) + Carbon dioxide (CO2) + Sunlight = Sugar + Oxygen (O2) |
| What do plants do with the food they make? | 1. Store it (as fats, carbohydrates, proteins) 2. Use it (for energy and materials for life) |
| How do plants (and other organizms) use food? | Through a process called CELLULAR RESPIRATION |
| What is needed for cellualr respiration? | 1. Sugar (glucose) ??? 2. O2 (oxygen) ???? |
| What is made by cellular respiration? | 1. H2O (water) ???? 2. CO2 (carbon dioxide) and Chemical energy for life is released (not "made") |
| Here is a summary of cellular respiration | Sugar + Oxygen = Water + Carbon Dioxide+ Energy for life |
| Plant bodies have special structures to help them with photosynthesis and cellular respiration, These include: | 1. Stomates 2. Xylem 3. Phloem 4. Roots 5. Chloroplasts 6. Mitochondria (these are in plants AND animals) |
| Stomates: What they do and where they are found | What do: Let CO2 in, let O2 and H2O out Where found: Mainly on leaves, they look like small mouths |
| Xylem: What it does and where found | What do: Carries H2O around the plant Where: Thin tube that runs through the plant from roots through stem to leaves |
| Phloem: What it does and where found | What do: Carries sugar Where: Thin tube that runs throughout the plant |
| Roots: What does and Where found | What do: Take in water and nutrients and attach plant to the ground Where: Underground |
| Chloroplasts: What is does and where found | What do: Photosynthesis happens here Where: In the cytoplasm of leaves and other green plant cells |
| Mitochondria (these are in plants AND animals) | What do: Cellular respiration happens here Where: All plant and animal cells |
| Transpiration | Energy from the sun causes water molecules to evaporate out of the stomate. As a water molecule leaves, it pulls on the molecule behind it. The pull continues all the way down the plant and into the the roots, bringing more water into the plant. |
| Transpiration: _____ from the sun causes water molecules to evaporate out of the ____________ | Energy Stomate |
| The pull on water molecules in transpiration continues all the way down the plant and into the ____, bringing more water into the ______ | Roots Plant |
| Water molecules attract each other because they are______ | Polar |
| Polar | have one positive side and one negative side |
| What surrounds the stomate? | gaurd cells |
| Veins have what in them? | xylem and phloem |
| Leaf cells contain ______. | Chloroplasts |
| Chloroplasts have _____ to trap energy from the sun? | Chlorophyl |
| Chlorophyl traps _____ from the sun. | energy |
| The trunk of the tree includes ____ & ____ to carry water and sugar/food | xylem phloem |
| Xylem and phloem in a tree trunk carry _____ & ____ | water sugar/food |
| Root hairs do what? | Absorb water and nutrients |
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