1.
To reuse something means what?
Correct Answer
A. To use over and over
Explanation
The correct answer is "to use over and over". Reusing something refers to using it multiple times instead of discarding it after a single use. This practice helps in reducing waste and conserving resources. By reusing items, we can extend their lifespan and minimize the need for producing new products, ultimately benefiting the environment.
2.
What is the best benefit of wind power?
Correct Answer
C. It creates electricity that is safe for the environment
Explanation
Wind power creates electricity that is safe for the environment. Unlike fossil fuels, which release harmful greenhouse gases when burned, wind power generates electricity without producing any emissions or pollution. This makes it a clean and sustainable source of energy, helping to reduce the carbon footprint and combat climate change. Additionally, wind power is renewable, as wind is an abundant and naturally occurring resource. By harnessing the power of the wind, we can generate electricity in a way that is both environmentally friendly and sustainable for future generations.
3.
What is energy that comes from ANY and all resources other than fossil fuels?
Correct Answer
B. Alternative energy
Explanation
Alternative energy refers to the energy that is derived from sources other than fossil fuels. This can include renewable energy sources such as solar, wind, hydro, and geothermal power, as well as other forms of energy like nuclear power. The term "alternative" implies that these energy sources provide an alternative to the traditional use of fossil fuels, which are finite and contribute to environmental issues such as climate change. Alternative energy is considered more sustainable and environmentally friendly, as it does not deplete natural resources and has a lower carbon footprint.
4.
Define reduce.
Correct Answer
C. To use less of something
Explanation
The correct answer is "to use less of something." This definition of reduce implies reducing the quantity or amount of something, thereby using a smaller portion or consuming less of it. It does not involve sharing, reusing, or transforming something old into something new.
5.
Check all examples of nonrenewable resources.
Correct Answer(s)
A. Fossil fuels
C. Oil
D. Metals like iron, gold and silver
Explanation
The correct answer is fossil fuels, oil, metals like iron, gold, and silver. Fossil fuels, such as coal, oil, and natural gas, are formed from the remains of plants and animals that lived millions of years ago. They are finite resources and take millions of years to form, making them nonrenewable. Oil is also a nonrenewable resource that is extracted from the ground and used for various purposes. Metals like iron, gold, and silver are also nonrenewable resources as they are extracted from the earth's crust and cannot be replaced once depleted.
6.
What 2 gases produce acid rain?
Correct Answer
A. Nitrogen and sulfur
Explanation
Nitrogen and sulfur are the two gases that produce acid rain. When nitrogen oxides and sulfur dioxide are released into the atmosphere from burning fossil fuels, they react with water, oxygen, and other chemicals to form nitric acid and sulfuric acid. These acids then fall to the ground as acid rain, causing environmental damage to plants, animals, and infrastructure.
7.
Trace the transformation of energy for hydroelectricity.
Correct Answer
B. Kinetic - mechanical - hydroelectricity
Explanation
The correct answer is "kinetic - mechanical - hydroelectricity." In hydroelectric power generation, the energy transformation begins with the kinetic energy of flowing water, which is then converted into mechanical energy by the turbine. This mechanical energy is then used to generate hydroelectricity.
8.
What does inexhaustible mean?
Correct Answer
A. It can never run out
Explanation
The term "inexhaustible" refers to something that can never run out. This means that the resource or item in question is limitless and will never be depleted or used up completely. It implies that there is an abundant and endless supply of the resource, making it sustainable and not subject to scarcity or depletion.
9.
Explain nonrenewable resources.
Correct Answer
B. Once it is gone it is gone forever - it can not be replaced in a lifetime
Explanation
Nonrenewable resources refer to natural resources that cannot be replenished or replaced once they are depleted. Once these resources are exhausted, they are gone forever and cannot be restored within a human lifespan. Examples of nonrenewable resources include fossil fuels like coal, oil, and natural gas, as well as minerals such as copper and gold. These resources take millions of years to form, making their availability limited and unsustainable in the long run. As a result, it is crucial to find alternative and renewable sources of energy and materials to mitigate the negative environmental and economic impacts of relying on nonrenewable resources.
10.
Energy from running water is used to generate ___________________________/
Correct Answer
D. Hydroelectricity
Explanation
Hydroelectricity is generated using the energy from running water. This process involves harnessing the kinetic energy of water flowing in rivers or dams and converting it into electrical energy. This is achieved by using turbines that are turned by the force of the moving water, which in turn spins a generator to produce electricity. Therefore, hydroelectricity is the correct answer as it directly corresponds to the given explanation.
11.
What is a renewable energy that uses plant and animal waste?
Correct Answer
C. Biomass
Explanation
Biomass is a renewable energy source that uses plant and animal waste. It involves converting organic matter such as wood, crop residues, and animal manure into energy through processes like combustion, gasification, or anaerobic digestion. This energy can be used for heating, electricity generation, or fuel production. Biomass is considered renewable because the organic matter used for its production can be replenished through natural processes.
12.
The Arizona desert would be a good area for which alternative energy ?
Correct Answer
B. Solar
Explanation
The Arizona desert would be a good area for solar energy because it receives abundant sunlight throughout the year. Solar panels can efficiently convert this sunlight into electricity, making it a viable alternative energy source in this region. Additionally, the lack of cloud cover and high temperatures in the desert further enhance the potential for solar energy production.
13.
Define renewable resources or energy.
Correct Answer
D. Energy that can be replaced quickly
Explanation
Renewable resources or energy refers to energy sources that can be replenished or replaced quickly. These sources are naturally replenished at a rate that is equal to or faster than their consumption. Unlike non-renewable resources, such as fossil fuels, renewable resources do not deplete over time and can be used indefinitely without causing harm to the environment. Examples of renewable energy sources include solar power, wind power, hydroelectric power, and geothermal energy. These sources harness natural processes or phenomena to generate energy that can be continuously replenished.
14.
. What is a source of energy that is formed from the remains of plants and animals that lived millions of year ago?
Correct Answer
D. Fossil Fuels
Explanation
Fossil fuels are formed from the remains of plants and animals that lived millions of years ago. Over time, these organic materials decomposed and were subjected to heat and pressure, resulting in the formation of coal, oil, and natural gas. These fuels are considered non-renewable because they take millions of years to form and cannot be replenished at the rate at which they are being consumed. Fossil fuels are widely used for energy production due to their high energy density and availability, but their combustion releases carbon dioxide and other greenhouse gases, contributing to climate change.
15.
New objects are made from old objects when you ________________.
Correct Answer
C. Recycle
Explanation
Recycling is the process of converting old objects into new objects. It involves breaking down the old materials and using them to create new products. This helps to reduce waste and conserve resources. By recycling, we can reduce the need for raw materials and minimize the negative impact on the environment.
16.
Conservation means using natural resources ___________________
Correct Answer
C. Wisley
Explanation
Conservation means using natural resources wisely. This means using them in a responsible and sustainable manner, ensuring that they are not wasted or depleted. By using resources wisely, we can ensure their availability for future generations and minimize negative impacts on the environment. This includes practices such as reducing, reusing, and recycling, as well as implementing efficient technologies and practices to minimize resource consumption.
17.
Click all that apply.
Check the 3 Rs,
Correct Answer(s)
A. Reduce
D. Reuse
F. Recycle
Explanation
The correct answer is "Reduce, reuse, recycle." These three words represent important principles for sustainable living and environmental conservation. "Reduce" refers to minimizing the amount of waste and consumption in order to decrease our impact on the planet. "Reuse" encourages finding new purposes or extending the lifespan of items instead of throwing them away. "Recycle" involves the process of converting waste materials into new products, reducing the need for raw materials and energy. By practicing these three Rs, we can contribute to a more sustainable future.
18.
Clcik all that are true statements about smog.
Correct Answer(s)
C. Smog occurs nearlarge cities
D. Smog is form from fog and smoke
Explanation
Smog occurs near large cities because it is primarily caused by the emissions from vehicles, industries, and other human activities that release pollutants into the air. These pollutants react with sunlight to form smog. Smog is formed from fog and smoke because it consists of a mixture of fog, which is a cloud of water droplets suspended in the air, and smoke, which is the result of incomplete combustion of fuels. Therefore, both statements are true.
19.
This is an example of a renewable resource.
Correct Answer
D. Trees
Explanation
Trees are considered a renewable resource because they can be replanted and regrown after being harvested. They provide various benefits such as oxygen production, carbon dioxide absorption, and habitat for wildlife. Additionally, trees can be used for timber, paper, and other wood-based products, which can be sustainably managed through responsible forestry practices. Therefore, trees are a replenishable and sustainable resource, making them an example of a renewable resource.
20.
Which is a nonrenewable source of energy?
Correct Answer
D. Coal
Explanation
Coal is a nonrenewable source of energy because it is a fossil fuel that takes millions of years to form. It is formed from the remains of plants and trees that lived and died millions of years ago. Once coal is burned to produce energy, it cannot be replaced or regenerated within a human lifespan. Therefore, it is considered nonrenewable and its usage contributes to environmental pollution and climate change.