Earth's Life Support
True or False:
The ozone layer helps insulate the Earth.
True
The ozone layer traps the sun's heat close to the surface, keeping the temperature range on Earth livable.
True or False
A material resource is a renewable resource that is used to make objects.
False
It can be renewable or nonrenewable.
The chemicals released by burning petroleum in car engines contribute to what local and global effects?
A
Smog and global warming
True or False
Biomass energy comes from organic matter such as plant material and manure.
True
True or False
Stewardship is the application of various methods that use up natural resources.
False
Stewardship is the management of resources, and not methods for using up resources.
The process by which plants convert the sun's energy stored as glucose.
#8
What is photosynthesis?
True or False
Rocks, water, air, minerals, forests, wildlife, and soil are all examples of a natural resource.
True
Nuclear energy is best described as what type of energy resource? (#13)
B nonrenewable because uranium ore is a nonrenewable resource and the most widely used radioactive material from which nuclear energy is released.
What is a major reason solar emergy is not used everywhere on a large scale? (#19)
D
Solar panels are most efficient in places that recieve lots of sunlight.
What letter choice on number 9 is a disadvantage of managing resources?
c
the cost of setting up recycling centers and equipment for people is expensive.
What gas molecule found in Earth's atmosphere is made up of three oxygen atoms?
ozone
The chemical bonds in fuel are changed when the fuel is burned to move a car. What type of energ conversion is taking place in this example? #6
Potential energy to kinetic energy
Look at number 16. Summarize how current production and usage of petroleum compare.
The usage of petroleum is much greater than production.
What type of energy does the equipment in picture 14 harness?
wind
What are two risks related to offshore drilling and transporting petroleum?
Some ideas:
loss of income for tourism and fishing industries, loss of habitat foe wildlife, loss of life for wildlife
What are the 5 basic necessities that all living things need to survive on Earth?
food, water, air, habitat, and waste disposal.
Sometimes a renewable resource can be considered nonrenewable because it is used up faster than it can be replenished. Which of the choices on number 7 is correct?
B is correct because trees are a renewable resource but could be cut down faster than the are replaced.
During the process of _________________,
the nuclei of radioactive atoms are split into two or more smaller nuclei.
What is fission?
Is the type of energy harnessed by a windmill renewable and nonrenewable? Explain
Wind energy is renewable energy because it originates from the sun.
The protection and wise use of resources.
What is conservation/stewardship?
Why is the distance from Earth to the sun important for life on Earth?
The Earth's distance from the sun allows for an appropriate amount of energy to support life on Earth and keep Earth's temperatures within a habitable range.
A nonrenewable resource formed by buried remains of plants and animals.
What is a fossil fuel?
The energy in an atom's nucleus.
What is nuclear energy?
What is one advantage and one disadvantage of using wind energy?
Advantage: it generates only a small amount of pollution.
Disadvantage: it can be used only where there is a fair amount of wind.
Explain the relationship between stewardship and conservation.
Stewardship of resources can be accomplished through the use of conservation practices.