Science - 2019-20

3.8 - Earth Resources: Human Influence

The student will investigate and understand that natural events and human influence ecosystems. Key ideas include

a)  human activity affects the quality of air, water, and habitats;

  • analyze the effects of human influences on the quality of air, water, and habitats.  Bloom's Level:  Analyze
  • explain how conservation efforts can reduce the negative impacts of human activity on a habitatBloom's Level: Understand
  • propose a solution or design a device that will reduce the impact of a human activity or a natural event on an ecosystem. Bloom's Level: Create

b)  water is limited and needs to be conserved;

  • research, explain,  and communicate  methods of water conservation to be used in both homes and schools. Bloom's Level:  Understand 
  • observe water use in the school setting and  identify possible water conservation solutions. Bloom's Level: Understand
  • collaboratively design  and implement a plan to conserve water at home or at school.   Bloom's Level: Analyze / Create

c)  fire, flood, disease, and erosion affect ecosystems; and

  • propose a solution or design a device that will reduce the impact of a human activity or a natural event on an ecosystemBloom's Level: Create

d)  soil is a natural resource and should conserved.

  • observe and provide evidence of soil erosion around the schoolyard/community.   Bloom's Level: Understand / Apply
  • create and implement a plan to reduce erosion.   Bloom's Level: Understand

Adopted: 2018


Humans behaviors and natural disasters can negatively impact organisms and their habitats.  Conservation practices can lessen the effects of human activity and natural disasters upon the environment.


  • A variety of factors can impact an ecosystem:  human actions, may reduce the effects of these factors on an ecosystem.
  • Human actions include polluting, clearing large plots of land to build neighborhoods or plant crops, over-fertilizing lawns, burning fossil fuels.
  • Human actions can negatively affect the survival of organisms in an ecosystem.
  • Humans can make choices that reduce their impact on an environment.
  • The water supply on Earth is limited.
  • Pollution reduces the amount of usable water; therefore, the supply should be conserved carefully.
  • Natural occurrences include: earthquakes, forest fires, tornadoes, hurricanes, floods, coastal erosion, disease, and can harm the environment.
  • Humans cannot eliminate natural occurrences, but they can take steps to reduce their impact.
  • Mitigation measures such as adoption of zoning, land-use practices, and building codes can prevent or reduce damage.
  • Conservation is the careful use and preservation of natural resources.  
  • Humans need to help conserve limited resources.
  • Since soil takes a long time to form, it should be conserved not wasted.


Essential Questions:

·  How do natural events impact the survival or death of plants and animals?

·  How can human action impact the survival of plants and animals?

·  How can we conserve natural resources?

In order to meet this standard, it is expected that students will

  • analyze the effects human influences on the quality of air, water, and habitats.
  • analyze the effects of fire, flood, disease, and erosion on organisms and habitats.
  • describe how conservation practices can affect the survival of a species.
  • describe a conservation practice in the local community.
  • propose a solution that will reduce the impact of a human activity or natural event.
  • identify water conservation solutions after observing how water is used
  • provide evidence of soil erosion
  • create and implement a plan to reduce erosion


air quality











human influences

natural resources





renewable resources



water quality

Updated: Aug 13, 2019