Block 1 Energy Quiz
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There is a direction connection between work and energy.
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True
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False
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About This Quiz
The 'Block 1 Energy Quiz' assesses understanding of key energy concepts, including kinetic energy, conservation of energy, and energy transformations. It explores how energy is stored, conserved, and utilized in natural and biological systems, providing foundational knowledge in Physics.
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- 2.
The energy of a moving object is
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Kinetic energy
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Potential energy
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Chemical energy
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Solar energy
Correct Answer
A. Kinetic energyExplanation
The energy of a moving object is referred to as kinetic energy. Kinetic energy is the energy possessed by an object due to its motion. It depends on the mass and velocity of the object. As an object moves faster or has a greater mass, its kinetic energy increases. This energy can be transferred from one object to another, and it is responsible for the ability of an object to do work or cause a change in its surroundings.Rate this question:
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- 3.
Form of energy that in which vibrations travel as waves
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Heat
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Sound
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Chemical
Correct Answer
A. SoundExplanation
Sound is a form of energy that travels through vibrations as waves. When an object vibrates, it creates sound waves that travel through a medium, such as air or water, and can be detected by our ears. These waves carry energy from the vibrating source to our ears, allowing us to perceive sound. Unlike heat, which is the transfer of thermal energy, or chemical energy, which is stored in the bonds of molecules, sound energy is specifically associated with the transmission of vibrations through a medium.Rate this question:
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- 4.
When you touch a hot cup of coffee with your cold hands, heat flows from _______________ to ________________.
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The cup of coffee to your hands
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Your hands to the cup of coffee
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The cup of coffee to the cup of coffee
Correct Answer
A. The cup of coffee to your handsExplanation
When you touch a hot cup of coffee with your cold hands, heat flows from the cup of coffee to your hands. This is because heat always flows from an object with a higher temperature to an object with a lower temperature. In this case, the cup of coffee is hotter than your hands, so heat transfers from the coffee to your hands, making them warmer.Rate this question:
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- 5.
Biomass is a _____________________ energy resource
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Nonrenewable
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Renewable
Correct Answer
A. RenewableExplanation
Biomass is considered a renewable energy resource because it is derived from organic matter such as plants, agricultural waste, and wood, which can be replenished through natural processes. Unlike fossil fuels, which take millions of years to form, biomass can be continuously grown and harvested, making it a sustainable and renewable source of energy.Rate this question:
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- 6.
Biomass is a renewable energy resource.
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True
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False
Correct Answer
A. TrueExplanation
Biomass is considered a renewable energy resource because it is derived from organic materials such as plants, crop residues, wood, and animal waste, which can be replenished through natural processes. These organic materials can be burned to produce heat or converted into biofuels, such as ethanol and biodiesel, which can be used as alternative sources of energy. Unlike fossil fuels, which are finite and non-renewable, biomass can be continuously produced and utilized, making it a sustainable and environmentally friendly energy option.Rate this question:
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- 7.
Nuclear power is a ____________________________ energy resource
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Non renewable
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Renewable
Correct Answer
A. Non renewableExplanation
Nuclear power is a non-renewable energy resource because it relies on the use of uranium, which is a finite resource. Once uranium is used up, it cannot be replaced, making it non-renewable. Additionally, the process of nuclear power generation produces hazardous waste that remains radioactive for thousands of years, further highlighting its non-renewable nature.Rate this question:
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- 8.
Organic material like plants.
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Nuclear power
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Biomass
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Solar energy
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Geothermal energy
Correct Answer
A. BiomassExplanation
Biomass refers to organic material, such as plants, that can be used as a source of energy. It can be burned directly or converted into biofuels, such as ethanol and biodiesel, to generate heat or electricity. Biomass is considered a renewable energy source because plants can be regrown and the carbon dioxide emitted during combustion is offset by the carbon dioxide absorbed during photosynthesis. Therefore, biomass is a suitable explanation for the given answer.Rate this question:
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- 9.
Fossil fuel, colorless, odorless gas
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Petroleum
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Natural gas
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Coal
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Nuclear power
Correct Answer
A. Natural gasExplanation
Natural gas is a fossil fuel that is colorless and odorless. It is formed from the remains of ancient plants and animals that were buried and subjected to heat and pressure over millions of years. Natural gas is primarily composed of methane and is commonly used as a source of energy for heating, cooking, and electricity generation. It is considered a cleaner burning fuel compared to coal and petroleum, as it produces fewer greenhouse gas emissions when burned.Rate this question:
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- 10.
Geothermal power is a _______________________ energy resource.
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Non-renewable
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Renewable
Correct Answer
A. RenewableExplanation
Geothermal power is considered a renewable energy resource because it harnesses the heat from the Earth's core, which is continuously generated by the natural decay of radioactive materials. This heat is essentially limitless and will continue to be produced for billions of years, making geothermal power a sustainable and renewable energy source.Rate this question:
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- 11.
The law of conservation of energy states that
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Energy cannot be converted from one form to another
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Energy cannot be created or destroyed
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Energy resources must be used efficiently
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Energy is constantly being lost to friction
Correct Answer
A. Energy cannot be created or destroyedExplanation
The law of conservation of energy states that energy cannot be created or destroyed. This means that the total amount of energy in a closed system remains constant. Energy can only be converted from one form to another, such as from potential energy to kinetic energy. This principle is fundamental in understanding the behavior and transformation of energy in various processes and systems.Rate this question:
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- 12.
Forces between charged particles
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Nuclear energy
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Radiant energy
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Electrical energy
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Thermal energy
Correct Answer
A. Electrical energyExplanation
Electrical energy refers to the energy associated with the movement of electric charges. It is generated when charged particles, such as electrons, move through a conductor, creating an electric current. This energy can be used to power various electrical devices and systems. In the given options, forces between charged particles, nuclear energy, radiant energy, and thermal energy are not directly related to the movement of electric charges, unlike electrical energy. Therefore, electrical energy is the correct answer in this context.Rate this question:
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- 13.
Moving air caused by uneven heating of Earth’s surface
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Hydropower
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Solar energy
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Wind energy
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Geothermal energy
Correct Answer
A. Wind energyExplanation
Wind energy is generated by the movement of air, which is caused by the uneven heating of Earth's surface. As the sun heats different parts of the Earth at different rates, the air above these areas also heats up at different rates. This creates areas of high and low pressure, which causes air to move. This movement of air is what we call wind. Wind energy is harnessed by using wind turbines to convert the kinetic energy of the wind into electrical energy. Therefore, the correct answer is wind energy.Rate this question:
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- 14.
When gas is burned in an engine it converts to what type of energy.
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Chemical
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Thermal or heat
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Electrical
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Solar
Correct Answer
A. Thermal or heatExplanation
When gas is burned in an engine, it undergoes a chemical reaction known as combustion. This chemical reaction releases energy in the form of heat or thermal energy. This thermal energy is then used to power the engine and perform mechanical work. Therefore, the correct answer is thermal or heat energy.Rate this question:
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- 15.
Hydropower is non-renewable energy resource.
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True
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False
Correct Answer
A. FalseExplanation
Hydropower is actually a renewable energy resource. It is generated by harnessing the power of flowing or falling water, such as rivers or waterfalls, to generate electricity. Unlike non-renewable energy sources like fossil fuels, which are finite and deplete over time, the water used in hydropower can be continuously replenished through the water cycle. This makes hydropower a sustainable and renewable source of energy.Rate this question:
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- 16.
Which type of heat type transfer is direct contact with another object?
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Conduction
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Convection
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Radiation
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Correct Answer
A. ConductionExplanation
Conduction is the correct answer because it refers to the transfer of heat through direct contact between two objects. In this process, heat energy is transferred from a region of higher temperature to a region of lower temperature through molecular collisions. Unlike convection, which involves the transfer of heat through the movement of fluids, and radiation, which involves the transfer of heat through electromagnetic waves, conduction specifically involves direct contact between objects.Rate this question:
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- 17.
Heat produced in earth’s core from radioactive decay.
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Biomass
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Nuclear
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Geothermal
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Coal
Correct Answer
A. GeothermalExplanation
The correct answer is geothermal because heat produced in the earth's core from radioactive decay is a natural source of geothermal energy. Geothermal energy is generated by harnessing the heat from beneath the Earth's surface, where hot rocks and fluids are found. This heat is a result of the natural decay of radioactive materials in the Earth's core. Geothermal energy is a renewable and sustainable source of power that can be used for heating and electricity generation.Rate this question:
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- 18.
Which type of energy transfer does not require matter?
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Conduction
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Convection
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Radiation
Correct Answer
A. RadiationExplanation
Radiation is the type of energy transfer that does not require matter. Unlike conduction and convection, which both involve the transfer of heat through the movement of particles or matter, radiation can occur in a vacuum or through empty space. It involves the emission of electromagnetic waves or particles, such as heat or light, from a source and their absorption by another object, without the need for a medium to carry the energy. Radiation can occur through various forms, such as thermal radiation or electromagnetic radiation, and is responsible for the transfer of energy from the Sun to Earth.Rate this question:
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- 19.
20. Consider the energy conversion changes and choose the correct order of energy changes. Sun shines on grass. Sheep eats grass. Sheep baas.
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Sound, chemical, mechanical, thermal, solar
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Nuclear, solar, chemical, thermal, mechanical
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Radiant, chemical, mechanical, thermal, sound
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Nuclear, chemical, mechanical, thermal, sound
Correct Answer
A. Radiant, chemical, mechanical, thermal, soundExplanation
The sun shines on the grass, which converts solar energy into radiant energy. The sheep eats the grass, which involves a chemical change as the food is broken down and digested. The sheep then produces mechanical energy through its movement and activities. This mechanical energy is then converted into thermal energy as the sheep's body generates heat. Finally, the sheep's baas produce sound energy. Therefore, the correct order of energy changes is radiant, chemical, mechanical, thermal, sound.Rate this question:
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- 20.
Which type of heat energy transfers as waves?
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Conduction
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Convection
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Radiation
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Correct Answer
A. RadiationExplanation
Radiation is the correct answer because it is the type of heat energy that transfers as waves. Unlike conduction and convection, which require direct contact or movement of particles, radiation can transfer heat through electromagnetic waves. This type of heat transfer does not require a medium and can occur in a vacuum, making it the primary method of heat transfer from the Sun to the Earth.Rate this question:
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- 21.
What type of energy do you find only in the sun, the atomic bomb and some power plants?
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Radiant
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Chemical
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Nuclear
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Solar
Correct Answer
A. NuclearExplanation
The correct answer is nuclear. Nuclear energy is found only in the sun, atomic bombs, and some power plants. The sun produces energy through nuclear fusion, where hydrogen atoms combine to form helium, releasing a tremendous amount of energy. Atomic bombs also release energy through nuclear reactions, specifically nuclear fission, where heavy atomic nuclei split into lighter ones. Similarly, some power plants generate electricity by harnessing the energy released from nuclear reactions. Radiant energy refers to electromagnetic waves, chemical energy is stored in chemical bonds, and solar energy is a type of radiant energy specifically derived from the sun.Rate this question:
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- 22.
Which form of energy does a plant store when light is transformed during photosynthesis?
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Solar energy
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Nuclear energy
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Mechanical energy
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Chemical energy
Correct Answer
A. Chemical energyExplanation
During photosynthesis, plants convert light energy from the sun into chemical energy in the form of glucose. This process involves the absorption of light by chlorophyll in the plant's cells, which then initiates a series of chemical reactions that transform carbon dioxide and water into glucose and oxygen. The glucose molecules produced during photosynthesis are stored as chemical energy in the plant's tissues and can be later used for various metabolic processes, such as growth, reproduction, and energy production through cellular respiration. Therefore, the correct answer is chemical energy.Rate this question:
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- 23.
Movement of particles in matter, increased movement or particles, more heat is released
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Chemical
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Solar
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Thermal
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Nuclear
Correct Answer
A. ThermalExplanation
The correct answer is thermal. Thermal energy refers to the energy associated with the movement of particles in matter. When particles in matter move more rapidly, their movement increases and more heat is released. This can occur through various processes such as conduction, convection, or radiation. Therefore, thermal energy is the appropriate term to describe the increased movement of particles and the release of more heat.Rate this question:
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- 24.
Which type of heat energy transfer explains how weather occurs?
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Conduction
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Convection
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Radiation
Correct Answer
A. ConvectionExplanation
Convection is the correct answer because it is the type of heat energy transfer that explains how weather occurs. Convection is the process of heat transfer through the movement of fluids, such as air or water. In the atmosphere, warm air rises and cool air sinks, creating vertical movement known as convection currents. These convection currents play a crucial role in the formation of weather phenomena such as thunderstorms, hurricanes, and wind patterns. Therefore, convection is the primary mechanism behind the occurrence of weather.Rate this question:
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- 25.
According to the law of conservation of energy, what happens to the total amount of energy in the universe?
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Increases
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Decreases
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Remains constant
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Changes constantly
Correct Answer
A. Remains constantExplanation
According to the law of conservation of energy, the total amount of energy in the universe remains constant. This means that energy cannot be created or destroyed, but it can only be transformed from one form to another. Therefore, the total energy in the universe is always conserved and does not change over time.Rate this question:
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Current Version
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Mar 19, 2023Quiz Edited by
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Mar 19, 2013Quiz Created by
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