6th graders have no Rizz
What are natural resources?
Materials that are found on Earth naturally and used by people.
Define mining and open pit mining.
Remove large pieces of rock and break them into smaller pieces. Digging big hole in the ground
Define minerals and ore
nonliving materials that are found naturally on Earth and a rock that contains economically valuable concentrations of a metal or other minerals
Define pattern
Something that happens in a repeated and predictable way
What is fracking?
injecting water, sand and chemicals underground at high pressure
Define Consumption
The purchase or use of things including natural resources.
Define deposits.
Areas containing significant amount of a resource.
Define remote sensing
any technology that provides information about an object that we cannot directly see
The sinking of land is known as:
subsidence
Define model.
Any representation of a system used to help someone understand and communicate how the system works.
Define per capita consumption
Average amount of resources used per person.
Humans have a positive impact on Earth’s systems when they:
recycle, reuse and reduce resource consumption
True or False. Renewable is the same thing as recyclable.
False
Define properties in minerals.
characteristics that can be used to identify a resource
Which geological time period did fossil evidence of first humans appear? Can use comp book
Cenozoic
Define fossil fuels and where they can be found? (What ancient structure)
petroleum, coal and natural gas and ancient oceans and wetlands
What is the Mohs Hardness Scale?
Easiest to use scale to rank the hardness of a mineral
True or False. Nonrenewable cannot be recycled.
False
What causes the lithosperic plates to move?
convection and gravity
Define byproduct.
Products of a process that are of no use to the manufacturer and must be either disposed of as waste or recycled
What do scientists use to divide up geological time periods?
the appearance and disappearance of certain life forms
Best. Teacher. Ever.
Mr. Walsh
Define scientific model and it's three parts.
model is to simplify real systems. does not have to look like the object being modeled. should just function like it in some important way
Define weathering, erosion and deposition. And the two types of weathering.
W: Breaking down of rocks by natural forces such as wind, water and ice. E: Geological process in which earthen materials are worn away and transported by natural forces such as wind or water. D: the laying down of sediment carried by wind, flowing water, the sea or ice. Chemical: when the composition of rock changes Mechanical: process of rocks crumbling due to rain, wind, or other atmospheric conditions
What do scientists use to divide up geological time periods?
the appearance and disappearance of certain life forms