Main content
Middle school Earth and space science - NGSS
Unit 5: Lesson 1
Natural resourcesNatural resources
NGSS.MS:
MS‑ESS3‑1
, MS‑ESS3.A.1
Natural resources are things found in nature that can be used by humans. Renewable resources can be replaced over human lifetimes. Nonrenewable resources cannot. Both renewable and nonrenewable resources are unevenly distributed across Earth's surface. Created by Khan Academy.
Want to join the conversation?
How are you supposed to know if it is renewable or non-renewable?(3 votes)- Renewable resources are replaced in one human lifetime.
Nonrenewable resources take thousands to millions of years to replace, or can not be replaced at all.(4 votes)
Who first was thinking about making the building dam?(2 votes)
I think humans got the idea from these little guys-🦫As early as 400 BCE, Asians built earthen embankments dams to store water for the cities of Ceylon, or modern-day Sri Lanka. In the 5th century AD, the Sinhalese built several dams to form reservoirs to catch the monsoon rains for their intricate irrigation system, and many of these reservoirs are still in use today.(2 votes)
who decided on what to call all of these things(2 votes)- I would say god, but probably humans. (Edit: Actually that was obvious, why did I say it)(1 vote)
- what is renewable or non-renewable?(2 votes)
Renewable resources are replaced in a human lifetime while nonrenewable resources take millions of years to get replaced or it could not get replaced at all.(1 vote)
- Who first was thinking about making the building dam?(1 vote)
- 🦫 creatures probably did(1 vote)
- How are you supposed to know if it is renewable or non-renewable?(1 vote)
- If it is plentiful, it is renewable. If it is very scarce, then it is most likely nonrenewable.(0 votes)
I have done this multiple times and it won't give me credit.(0 votes)- Then don't do it multiple times.(1 vote)
- At4:01what are three things building dams do(0 votes)
- whats the difference in how to tell if its renewable or non renewable?(0 votes)
- Renewable resources are usually plentiful whilst nonrenewable resources are not.(1 vote)
4:01