Podcast
Questions and Answers
What is the correct order of planets in our solar system, starting with the closest to the Sun?
What is the correct order of planets in our solar system, starting with the closest to the Sun?
Which of the following is NOT a characteristic of a terrestrial planet?
Which of the following is NOT a characteristic of a terrestrial planet?
Which of these represents the process of the Earth spinning on its axis?
Which of these represents the process of the Earth spinning on its axis?
Which of the following is NOT a feature of the Sun's outer structure?
Which of the following is NOT a feature of the Sun's outer structure?
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What is the primary evidence for the Big Bang Theory?
What is the primary evidence for the Big Bang Theory?
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What is the term used for non-living factors within an ecosystem?
What is the term used for non-living factors within an ecosystem?
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Which term describes the total number of different species living in a particular area?
Which term describes the total number of different species living in a particular area?
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Which of these is NOT a way an invasive species can get into an ecosystem?
Which of these is NOT a way an invasive species can get into an ecosystem?
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What is the role of a decomposer in an ecosystem?
What is the role of a decomposer in an ecosystem?
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Where would you find the largest amount of carbon in the carbon cycle?
Where would you find the largest amount of carbon in the carbon cycle?
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Which of the following is NOT a part of the water cycle?
Which of the following is NOT a part of the water cycle?
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The process by which water changes from a liquid to a gas is called?
The process by which water changes from a liquid to a gas is called?
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What is the term for the maximum number of individuals of a species that an ecosystem can support?
What is the term for the maximum number of individuals of a species that an ecosystem can support?
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What type of substance is salt classified as?
What type of substance is salt classified as?
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Which of the following is a sign of a chemical change?
Which of the following is a sign of a chemical change?
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Which property is described by ‘can be hammered thin’?
Which property is described by ‘can be hammered thin’?
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What is the type of change when methane gas is produced from decomposition?
What is the type of change when methane gas is produced from decomposition?
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In the periodic table, where are non-metals typically found?
In the periodic table, where are non-metals typically found?
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What best describes a mixture?
What best describes a mixture?
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What type of property is clarity?
What type of property is clarity?
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Which of the following is NOT a characteristic of metals?
Which of the following is NOT a characteristic of metals?
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What causes one substance to become positively charged when rubbed against another?
What causes one substance to become positively charged when rubbed against another?
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Which of the following statements accurately describes the Law of Electric Charges?
Which of the following statements accurately describes the Law of Electric Charges?
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What happens to the current when additional light bulbs are added in series to a circuit?
What happens to the current when additional light bulbs are added in series to a circuit?
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What component of an electric circuit is responsible for controlling the flow of electrons?
What component of an electric circuit is responsible for controlling the flow of electrons?
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In a parallel circuit configuration, how does the voltage across each load compare to the voltage of the source?
In a parallel circuit configuration, how does the voltage across each load compare to the voltage of the source?
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What is the primary difference between a conductor and an insulator?
What is the primary difference between a conductor and an insulator?
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How is current measured in an electric circuit?
How is current measured in an electric circuit?
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What occurs to the light bulbs in a series circuit if one of them burns out?
What occurs to the light bulbs in a series circuit if one of them burns out?
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Calculate the energy efficiency of a 100W light bulb that uses 2000 J of electrical energy to produce 200 J of light energy. What happens to the energy that does NOT become light energy?
Calculate the energy efficiency of a 100W light bulb that uses 2000 J of electrical energy to produce 200 J of light energy. What happens to the energy that does NOT become light energy?
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In a circuit provided with a constant 6 volts, what happens to the current as the resistance is increased?
In a circuit provided with a constant 6 volts, what happens to the current as the resistance is increased?
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Why are homes wired in parallel and not in series?
Why are homes wired in parallel and not in series?
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A series circuit has a current of 2 A and a resistance of 0.5 ohms. Calculate the voltage across this circuit. Use DESCA.
A series circuit has a current of 2 A and a resistance of 0.5 ohms. Calculate the voltage across this circuit. Use DESCA.
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Why aren't electrical devices 100% efficient?
Why aren't electrical devices 100% efficient?
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A red-hot stove element has a current of 12 A and a voltage of 240 V. Calculate the resistance of the element.
A red-hot stove element has a current of 12 A and a voltage of 240 V. Calculate the resistance of the element.
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When you turn a light bulb on, are you opening or closing the circuit?
When you turn a light bulb on, are you opening or closing the circuit?
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What is true about parallel circuits compared to series circuits?
What is true about parallel circuits compared to series circuits?
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