Science Unit Test

How do Alternate energies like wind turbined and solar panels reduce air pollution?

• by providing clean energy alternatives to fossil fuels.

What is artificial eutrophication?

• the accelerated enrichment of a water body with nutrients: due to human activities, which can negatively impact the ecosystem.

What are sources of indoor pollution?

• Indoor air pollution comes from a variety of sources, both within and outside of building.

  Some Indoor Air pollutants include

  • carbon monoxide, radon, volatile organic compounds (VOCs)

  • mold

  • and particulate matter

What is the difference between point source and non-point source pollution?

• Point source pollution originates from a single, identifiable source, like a factory pipe or a sewage treatment plant.

What is deforestation?

• the clearing or destruction of large areas of forest, often make way for other lands uses like agriculture, urbanization, or logging.

What is the atomic number of an Atom?

• The Atomic number of an tom is the number of protons in its nucleus

  •     For example, all the hydrogen atoms have 1 proton

What gases cause a greenhouse effect?

• The primary greenhouse gases causing the greenhouse effect are

  • water vapor

  • carbon dioxide

  • methane

  • nitrous oxide

What caused the depletion of ozone in the atmosphere?

• the release of ozone-depleting substances (ODS), primarily CFCs and other halocarbons, into the atmosphere

What are some negative aspects of urbanization?

• Some negative aspects of urbanization these include environmental degradation, social issues like increased crime and inequality and health problems stemming from pollution and poor infrastructure.

What is the mass number of an atom?

• the total number of protons and neutrons in its nucleus

How can an increase in nutrients in a water source have a negative effect?

• An increase in nutrients in a water source can have a negative impact through eutrophication.

What kinds of health problems can be caused by air pollution?

• Air pollution can lead to a wide range health problems, including respiratory diseases, cardiovascular diseases, and even certain cancers.

What some ways to measure air quality?

• Air quality is typically measured. Air Quality index (AQI).

What substances make up smog?

• Some substances that smog is made up in include are…

  • ground-level ozone

  • particulate matter

  • and other pollutants like nitrogen oxides

  • sulfur oxides

  • and volatile organic compounds

What is the definition of a half-life?

• The definition of a half-life: The time taken for the radioactivity of a specified isotope to fall to half its original value

What are particulates?

• the term potable means: safe to drink: drinkable

What factors can contribute to soil erosion?

• Soil erosion : the loss of topsoil

  • Is mostly caused by water and wind

    • these factors can carry away exposed sol particles,

What is land degradation?

•     The Land degradation is the process where land becomes less productive due to various

  • impacting its ability to support vegetation

       

What are the different parts of an atom, and where are they located?

• Protons and neutrons are located in the nucleus, the central core of the atom, while electrons orbit the nucleus in a cloud-like region.

What are some sources of chemical pollution?

• Various sources include…

  • industrial activities, and everyday household products

What are some natural sources of air pollution?

• Some sources of air pollution are…

• Volcanic eruptions

• Wildfires

• Forest fires

• Dust storms

• Mining activities, fossil fuels burning

• Natural gas leaks

What are some human sources of air pollution?

• Burning fossil fuels for energy, transportation, industrial processes; emissions from industrial facilities; emissions from industrial facilities; and the use of certain consumer products.

What happens to daughter isotopes as parent isotopes decay?

• As parent isotopes decay, the number of daughter isotopes increases.

How does using fossil fuels contribute to land pollution?

• primarily through the extraction process, including mining and drilling, which degrades land and releases pollutants

What is an object with a pH less than 7 known as?

• An object with a Ph less than 7 as an Acid

How is carbon dioxide related to global temperature changes?

• Carbon dioxide related to global temperature changes

  • CO2 is a greenhouse gas: meaning it traps heat in atmosphere, basically causes a greenhouse effect

What are some things that can happen from taking too much water from an aquifer?

• taking too much water from an aquifer, also known as groundwater depletion or overdraft, and can cause several serious consequences.