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WorksheetsConservation of Ecosystems
Total questions: 66
Worksheet time: 1hrs 21mins
__________ the cutting down of trees.
Contamination
Deforestation
Salinization
Pollution
____________ the insertion of substances or elements that generate negative changes to the environment and cause it harm.
Salinization
Contamination
Deforestation
Pollution
____________ the action or state of making or being made impure by polluting or poisoning.
Contamination
Deforestation
Pollution
Salinization
__________ a mixture of rainwater with toxic substances from a garbage dump.
pesticide
leachate
contamination
pollution
__________ soil pollution due to an excess of salts.
salinization
leachate
deforestation
pesticide
___________ kill pest but also eliminate other organisms that are beneficial to ecosystems.
leachate
contamination
pollution
pesticide
_________ the atmosphere needs carbon dioxide, methane, and water vapor to maintain itself in this way.
Green house gases
pesticide
pollution
fossil fuels
_________ they heat up the atmosphere by trapping heat from the sun. They are beneficial when in equilibrium, but dangerous in excess.
fossil fuels
pesticide
green house gases
contamination
________ an increase in the temperature of the atmosphere and the oceans.
Leachate
Pollution
Contamination
Global Warming
___________ an organic material formed millions of years ago by the decomposition of plants and animals.
fossil fuel
green house gases
pesticide
pollution
___________ is the process by which local sea level rise, strong wave action, and coastal flooding wear down or carry away rocks, soils, and/or sands along the coast.
Pollution
Coastal erosion
Global warming
Deforestation
Wirte 4 consecuense of Global Warming.
What happens when a river is overflows?
What causes humans to the ecosystem?
What releases waste when its broken down?
What does water produce when it mixed with waste?
What happened to the water and soil when its mixed with waste?
What determines the weather?
What gases does the atmosphere needs?
What is the pattern of alterations called?
What causes the rise in sea level?
How can called to the phenomenos that increase a large amount of gas dissolves?
What generate a high temperature?
What increase the hurricaines?
What we do to restore mangroves?
What can we do to avoid flooding?
How can we keep temperature low?
How can we avoid global warming?
_____________ – a sudden shaking of Earth’s crust.
Epicenter
Focus
Tsunami
Earthquake
__________the point on Earth’s surface directly above the focus of an earthquake.
Epicenter
Focus
Magnitude
Tsunami
________ the point where an earthquake starts.
Epicenter
Magnitude
Focus
Tsunami
________ the amount of energy released by an earthquake.
Epicenter
Magnitude
Focus
Tsunami
________ a huge wave caused by an earthquake under the ocean.
Earthquake
Tsunami
Epicenter
Focus
Continental Drift occurs because of _____________
Convection Rain
Convection flow
Convection Storms
Convection Currents
Explain what happen during a continental drift.
(a)
What is the relationship between Earth’s plates, volcanoes, and earthquakes?
(a)
Mention 5 tectonic plates.
Zones where earthquakes occur (a)
Where zones the volcanos are more likely to form?
(a)
Movement of the ground due to shifting of the Earth’s crust.
(a)
During an earthquake, the energy that has built up over time is released.
True
False
The place where the slipping begins is the earthquakes (a) .
Earthquake waves reach the epicenter first.
True
False
During an earthquake, the most violent shaking is found at the (a) .
The point on the surface of Earth that is right below the focus of an earthquake is called the epicenter.
True
False
The point on the surface of Earth that is right (a) the focus of an earthquake is called the epicenter.
A ________ is an instrument that detects, and measures waves produced by an earthquake.
telescope
microscope
densitometer
seismometer
Types of Seismic Waves
(a)
Move faster
Secondary Waves (S Waves)
Surface Waves (Lg Waves)
Primary Waves (P Waves)
They move only through Earth’s layers.
Secondary Waves (S Waves)
Primary Waves (P Waves)
Surface Waves (Lg Waves)
Half as fast as primary waves.
Primary Waves (P Waves)
Secondary Waves (S Waves)
Surface Waves (Lg Waves)
Slowest moving waves
Surface Waves (Lg Waves)
Secondary Waves (S Waves)
Primary Waves (P Waves)
Travel along Earth’s surface causing the most damage.
Surface Waves (Lg Waves)
Secondary Waves (S Waves)
Primary Waves (P Waves)
They pass through both solid and liquid layers of Earth.
Primary Waves (P Waves)
Secondary Waves (S Waves)
Surface Waves (Lg Waves)
How do we measure the intensity of an earthquake?
Using a seismograph
Using a microscope
Using a telescope
Using a seismograph which measures _______ or the strength of an earthquake can determine the ________ of an earthquake.
(a)
How is an earthquake’s energy measured?
(a)
Measures magnitude at the epicenter.
Mercalli Scale
Richter Scale
Measures what people felt and what happened to objects in a specific location.
Mercalli Scale
Richter Scale
It rates the earthquakes from weakest to stronger.
Richter Scale
Mercalli Scale
Richter Scale
Mercalli Scale
Richter Scale
Mercalli Scale
When Earthquakes or volcanic eruptions occur on the ocean floor, they may produce giant sea waves called (a) .
A tsunami usually occur after underwater earthquakes that are _______ than magnitude 6.5 on the Richter scale
greater
lower
Tsunamis usually occur after underwater earthquakes that are greater than magnitude _____ on the Richter scale
4.5
5.5
6.5
In addition to earthquakes and volcanic eruptions, what can also produce a tsunami?
(a)
