How do plants meet their needs? |
In this lesson students will germinate radish seeds and observe the root hairs on the root.
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On successful completion of this unit, students will be able to: germinate seeds; identify the root hairs on a plant root; and, describe how root hairs help a plant survive. |
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What are some types of local plants? |
In this lesson students will mark the location of useful plants found in and around their village. The maps will also include the traditional uses of the plants.
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On successful completion of this unit, students will be able to: name edible and useful plants found locally; describe how the plants are used; and mark the location of plants on a map. |
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How do plants respond to their environment? |
In this lesson students will germinate seeds and observe the direction the stem and roots grow. After the roots have started to grow they will change the orientation of the plants and observe the response of the stem and roots to the change.
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On successful completion of this unit, students will be able to: germinate plants; and, observe the effect of gravity on the roots and stem of a plant. |
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How do organisms get energy? |
Students will dissect an owl pellet to determine what organism the owl ate to obtain energy. The bones from the pellet will be identified, classified, then glued to a chart.
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On successful completion of this lesson, students will be able to: determine the length, width and mass of a owl pellet; identify the bones and the organism found in an owl pellet; list the different prey found in the pellets the class dissected; and, draw a food chain for the owl. |
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How do organisms interact? |
In this lesson, students will play a game to simulate the relationship between predators and prey.
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On successful completion of this lesson, students will be able to: describe the relationship between predators and prey; graph the results of the activity; and, describe the effect of limiting factors on populations. |
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What are biomes? |
In this lesson, students will graph the elevation of tree line at different latitudes from north to south.
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On successful completion of this lesson, students will be able to: make a graph showing the elevation of tree line at different latitudes analyze the graph to determine the effect of altitude on tree line and biomes; and, estimate the tree line at northern latitudes. |
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What are ecosystems? |
In this lesson, students will use their problem solving skills to determine the names of four communities in Alaska using only a brief description of those places, along with temperature and precipitation graphs. In part two students will make a temperature and precipitation graph of a nearby community, or of their community.
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On successful completion of this lesson, students will be able to: analyze temperature and precipitation graphs; associate graphs and descriptions of communities with the community names ; and, make a temperature and precipitation graph. |
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How do natural cycles affect ecosystems? |
On successful completion of this lesson, students will be able to: diagram the carbon cycle; and, describe the impact of increased atmospheric carbon dioxide.
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On successful completion of this lesson, students will be able to: analyze temperature and precipitation graphs; associate graphs and descriptions of communities with the community names ; and, make a temperature and precipitation graph. |
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How do humans affect ecosystems? |
In this lesson, students will explore how thawing permafrost affects northern landscapes by examining Alaska lakes.
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On successful completion of this lesson, students will be able to: describe the changes in thaw lakes when the permafrost around, and underneath them thaws; and, measure and compare the surface area of a pond that is draining. |
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