Unit 1 - Natural Resources
What is the difference between renewable and nonrenewable resources?
Renewable - can be replenished quickly (sun, wind, water)
Nonrenewable - takes a long time to replenish (elements, coal, oil, natural gas, fossil fuels)
Name the Earth system/sphere:
- all the water located on Earth, including the water in the atmosphere
hydrosphere
What is the basic unit of matter?
What is texture of a mineral?
how a mineral feels
What causes the internal heat of the earth that melts magma
geothermal energy/radioactive decay
Largest reservoir of carbon and nitrogen?
carbon - ocean
nitrogen - atmosphere
What is the difference between an independent and dependent variable?
Independent - variable that we are changing/the cause
Dependent - variable that we are measuring/the effect
What is luster?
The way a mineral reflects light
What type of ion does an acid produce in solution?
**DAILY DOUBLE**
hydrogen ions/ H+
What determines the chemical behavior of an element?
The number of valence (outer shell) electrons
a substance that enters Earth’s geochemical cycles and can harm the well-being of living things or adversely affect their activities is called a _______________
pollutant
The problem-solving principle that the simplest solution tends to be the right one.
Occam's Razor
A _________________ is a substance that is composed of atoms of two or more different elements that are chemically combined.
compound
a naturally occurring, inorganic solid, with a specific chemical composition and a definite crystalline structure is called a ________________
mineral
What is the point of fake news?
Its purpose is to persuade people to think a certain way, vote a certain way, or to make money from advertising, also known as clickbait
What are taken in and released during photosynthesis?
**DAILY DOUBLE**
In - water, sunlight, carbon dioxide
Out - oxygen and sugars
The term for the tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.
**DAILY DOUBLE**
confirmation bias
What does the Mohs scale measure?
a mineral's hardness
Isotopes have the same number of ________________ but different numbers of ___________
protons, neutrons
What are density-dependent factors?
And list 2 examples
Density-dependent factors– death increases as population increases.
Ex: starvation, predation, disease, shortage of nesting sites.
What are biomass fuels?
fuels derived from burning renewable organic (from living things)
ex: peat, fecal material
What is the very first thing that we do before starting an experiment?
observation/observe an unexplained phenomenon
The attraction of two atoms for a shared pair of electrons that hold the atoms together is called a________________
covalent bond
What is formed when an atom loses elecrons?
Positive ion
What is the difference between an experiment and an investigation?
An investigation is mainly observation and does not include a control group like an experiment does