resources
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What is a renewable resource?
A renewable resource is a natural resource that can be replenished naturally over time, such as solar energy, wind energy, and biomass.
True or False: Non-renewable resources can be replaced at the same rate they are consumed.
False
Fill in the blank: __________ is an example of a non-renewable resource.
Coal
Which of the following is NOT a renewable resource? A) Hydro power B) Natural gas C) Geothermal energy
B) Natural gas
What is the primary difference between renewable and non-renewable resources?
The primary difference is that renewable resources can be replenished naturally, while non-renewable resources are finite and cannot be replaced once depleted.
What is the biosphere?
The biosphere is the global sum of all ecosystems, where life exists on Earth.
True or False: The hydrosphere includes all forms of water on Earth, including oceans, rivers, and groundwater.
True
Fill in the blank: The ________ is the solid outer part of the Earth, consisting of the crust and upper mantle.
lithosphere
What is the Earth’s atmosphere?
The atmosphere is the layer of gases surrounding the Earth.
Multiple Choice: Which of the following is NOT a component of the hydrosphere? A) Oceans B) Rivers C) Volcanoes D) Ice caps
C) Volcanoes
What are fossil fuels?
Fossil fuels are natural substances formed from the decomposed remains of ancient plants and animals, primarily consisting of coal, oil, and natural gas.
True or False: Fossil fuels are renewable energy sources.
False
Fill in the blank: The three main types of fossil fuels are ______, ______, and ______.
coal, oil, natural gas
Which fossil fuel is primarily used for electricity generation?
Coal
Multiple Choice: What is the primary environmental concern associated with burning fossil fuels? A) Water pollution B) Air pollution C) Soil erosion D) Noise pollution
B) Air pollution
What is solar power?
Solar power is energy harnessed from the sun’s rays using photovoltaic cells or solar thermal systems.
True or False: Hydro power relies on the flow of water to generate electricity.
True
Fill in the blank: The main component that converts wind energy into electrical energy is called a __________.
wind turbine
Which of the following is a disadvantage of solar power? A) Renewable source B) High initial cost C) Low environmental impact
B) High initial cost
Name one benefit of using hydro power.
Hydro power is a renewable energy source that produces low greenhouse gas emissions.
What percentage of the Earth’s freshwater is stored in glaciers and ice caps?
About 68.7%
True or False: Freshwater makes up approximately 2.5% of the Earth’s total water supply.
True
Fill in the blank: The primary use of freshwater globally is for _______.
agriculture
Which of the following is NOT a use of freshwater? A) Drinking B) Irrigation C) Oil extraction D) Swimming
C) Oil extraction