Environmental Chemistry Unit Review

Which of the following statements describes one characteristic shared by biodegradable substances?

• they can be broken down by inorganic compounds

• they can be broken down by simple organisms

• they decompose faster at lower temperatures

• they decompose faster in dry conditions

After completing the job of painting the neighbours’ house, you were asked to properly dispose of all the leftover paint products. The best way to dispose of the paint and paint thinner is to

• freeze it for use on another project

• take it to a hazardous waste collection site

• dilute it with lots of water and pour it down the drain

• put it into the solid waste garbage so it can be taken to a sanitary landfill site

People can reduce waste by using products that are

• nonrenewable

• fossil fuels

• biodegradable

• invasive

We can reduce our need for fossil fuels by developing

• alternative energy sources

• natural gas lines

• gasoline powered cars

• new oil sources

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which of the following would decrease concentration of pollutants?

• dilution

• deposition

• biomagnification

• inhalation

Which of the following would increase the rate of biodegradation?

• increased temperature and moisture

• clean the composter with bleach

• cooler, drier conditions

• line the composter with plastic or clay

Tags

NGSS.MS-LS2-1

Which of the following technologies uses light to break down materials such as plastics?

• biodegradation

• phytoremediation

• biomagnification

• photolysis

Tags

NGSS.HS-PS4-3

Microorganisms broken down oil spilled when the Exxon Valdez ship crashed. This technique is known as _.

• Biodegradation

• Photolysis

• Phytoremediation

• dilution

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

Is this an example of an organic or inorganic compound?

• Organic

• Inorganic

Tags

NGSS.HS-LS1-6

Which of the following methods of chemical transport are occurring when a pear is eaten?

• absorption

• inhalation

• leaching

• ingestion