Question

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now its time to apply what you have learned in this unit by making a cycle of another kind of matter-water. after you have reviewed the carbon and nitrogen cycles, you will make a diagram to show how water cycles in an ecosystem. the water cycle greatly affects both the living and the nonliving parts of the environment. think about where water is found. where does rain come from? is the sun involved in the movement of water through the environment? how? think about these questions. then choose an ecosystem and make a diagram showing a possible water cycle. be sure to include both living and nonliving parts in your diagram. write it as a 6th grader. it can be any ecosystem.

Answer 1

I picked a forest ecosystem. Below is a simple diagram and short steps to show how the water cycle works there. I marked (L) for living parts and (N) for nonliving parts.

Diagram (simple picture):

Sun (N)
☼
|
Evaporation / Transpiration (3)
|
Clouds (N)
☁️
↓ Precipitation (rain or snow) (4)
_______________________
/ \
/ Forest hill with \
/ trees (L) and soil(N) \
/____________________________\
| ↑ ↓ ↓ |
| Evap. Rain Runoff -> River (N)
| (from soil and → Lake (N)
| puddles) → Groundwater (N)
| ↑ |
| Transpiration (2) |
| (from leaves) |
| |
| Animals drink (L) → pee/sweat/breathe (returns water)
| Microbes in soil (L) help move water into ground
--------------------------

Numbered steps (easy):
1. The Sun (nonliving) heats water on the ground and in lakes and rivers. It also makes leaves warm.
2. Plants (living) release water from their leaves. This is called transpiration. Animals also breathe out water vapor.
3. Water evaporates (nonliving process) from lakes, soil, and puddles and joins the water from transpiration. All that water vapor rises into the air and makes clouds (condensation).
4. Clouds get heavy and water falls as rain or snow (precipitation). That brings water back to the forest.
5. Some rain soaks into the soil (infiltration) and becomes groundwater (nonliving). Roots and soil microbes (living) use this water.
6. Some water runs off the hill into rivers and lakes (runoff) and can travel to other places.
7. Groundwater can seep back into rivers or be taken up by plant roots. Then the Sun can heat it again and the cycle keeps going.

Living parts in the diagram:
- Trees and plants (L) — transpiration, use water
- Animals (L) — drink and release water
- Soil microbes (L) — help move and cycle water in soil

Nonliving parts in the diagram:
- Sun, clouds, rain, rivers, lakes, soil, rocks, groundwater (N)

Why this matters (short):
The water cycle moves water to the plants and animals and shapes the land. Without the Sun or the water cycle, living things in the forest couldn’t get water.