# Block 2 Energy Quiz

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Quizzes Created: 15 | Total Attempts: 6,595
Questions: 25 | Attempts: 101

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Renewable and Nonrenewable Energy Resources, Energy Sources, Thermal Energy

• 1.

### The energy of a moving object is

• A.

Kinetic energy

• B.

Potential energy

• C.

Chemical energy

• D.

Solar energy

A. Kinetic energy
Explanation
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. When an object is in motion, it has the ability to do work and can transfer its energy to other objects or convert it into other forms of energy. Therefore, kinetic energy is the correct answer as it accurately describes the energy associated with a moving object.

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• 2.

### The law of conservation of energy states that

• A.

Energy cannot be converted from one form to another

• B.

Energy cannot be created or destroyed

• C.

Energy resources must be used efficiently

• D.

Energy is constantly being lost to friction

B. Energy cannot be created or destroyed
Explanation
The correct answer is energy cannot be created or destroyed. This is known as the law of conservation of energy, which states that energy can only be transferred or transformed from one form to another. It cannot be created out of nothing or disappear completely. This principle is fundamental in physics and is based on the understanding that energy is a constant in the universe.

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• 3.

### Which form of energy does a plant store when light is transformed during photosynthesis?

• A.

Solar energy

• B.

Nuclear energy

• C.

Mechanical energy

• D.

Chemical energy

D. Chemical energy
Explanation
During photosynthesis, plants convert light energy into chemical energy in the form of glucose. This process involves capturing sunlight through chlorophyll in the plant's cells and using it to convert water and carbon dioxide into glucose and oxygen. The glucose is then stored in the plant as a source of energy for various metabolic processes, such as growth and reproduction. Therefore, the correct answer is chemical energy.

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• 4.

### According to the law of conservation of energy, what happens to the total amount of energy in the universe?

• A.

Increases

• B.

Decreases

• C.

Remains constant

• D.

Changes constantly

C. Remains constant
Explanation
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. This principle is based on the idea that energy is a fundamental quantity that is conserved throughout all physical processes. Therefore, no matter how energy is transferred or converted, the total amount of energy in the universe will always remain the same.

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• 5.

### Organic material like plants.

• A.

Nuclear power

• B.

Biomass

• C.

Solar energy

• D.

Geothermal energy

B. Biomass
Explanation
Biomass refers to organic material, such as plants, that can be used as a source of energy. This can include wood, crops, agricultural waste, and even animal manure. Biomass can be converted into various forms of energy, such as heat, electricity, or biofuels, through processes like combustion or fermentation. It is considered a renewable energy source because plants can be grown and harvested continuously to replenish the biomass supply. Biomass energy is a sustainable alternative to fossil fuels and can help reduce greenhouse gas emissions.

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• 6.

### Heat produced in earth’s core from radioactive decay.

• A.

Biomass

• B.

Nuclear

• C.

Geothermal

• D.

Coal

C. Geothermal
Explanation
Geothermal energy is the correct answer because it refers to the heat produced in the Earth's core from radioactive decay. Geothermal energy is generated by harnessing the heat from the Earth's interior, using it to produce electricity or for heating purposes. This heat is a result of the natural decay of radioactive materials present in the Earth's core. Biomass, nuclear, and coal are not directly related to the heat produced in the Earth's core from radioactive decay, making them incorrect options.

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• 7.

### Moving air caused by uneven heating of Earth’s surface

• A.

Hydropower

• B.

Solar energy

• C.

Wind energy

• D.

Geothermal energy

C. Wind energy
Explanation
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 unevenly. This creates differences in air pressure, which in turn causes the air to move from areas of high pressure to areas of low pressure. This movement of air is what we experience as wind. Wind turbines are used to capture this kinetic energy of the moving air and convert it into electrical energy, making wind energy a sustainable and renewable source of power.

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• 8.

### Fossil fuel, colorless, odorless gas

• A.

Petroleum

• B.

Natural gas

• C.

Coal

• D.

Nuclear power

B. Natural gas
Explanation
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, which is a clean-burning fuel that produces less carbon dioxide emissions compared to other fossil fuels like coal and petroleum. It is commonly used for heating, cooking, and electricity generation.

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• 9.

### Which type of heat energy transfers as waves?

• A.

Conduction

• B.

Convection

• C.

• D.

Explanation
Radiation is the type of heat energy that transfers as waves. Unlike conduction and convection, which require a medium (such as a solid, liquid, or gas) to transfer heat, radiation can occur through empty space. This is because radiation involves the emission and absorption of electromagnetic waves, such as infrared radiation, which can travel through a vacuum. Examples of radiation include the heat we feel from the Sun or the warmth emitted by a fire.

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• 10.

### Biomass is a _____________________ energy resource

• A.

Nonrenewable

• B.

Renewable

B. Renewable
Explanation
Biomass is a renewable energy resource because it is derived from organic materials such as plants, crops, and waste, which can be replenished or grown again. These organic materials can be used to produce energy through various processes such as burning, fermentation, or conversion into biofuels. Unlike nonrenewable energy sources like fossil fuels, which take millions of years to form and cannot be replaced once depleted, biomass can be continuously generated and utilized, making it a sustainable and renewable energy option.

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• 11.

### Nuclear power is a ____________________________ energy resource

• A.

Non renewable

• B.

Renewable

A. Non renewable
Explanation
Nuclear power is a non-renewable energy resource because it relies on the use of uranium, which is a finite resource. Once the available uranium deposits are depleted, it cannot be replaced or replenished within a human lifetime. This makes nuclear power unsustainable in the long term and highlights the need for alternative renewable energy sources that can be continuously replenished, such as solar or wind power.

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• 12.

### Geothermal power is a _______________________ energy resource.

• A.

Non-renewable

• B.

Renewable

B. Renewable
Explanation
Geothermal power is considered a renewable energy resource because it harnesses the heat from the Earth's core, which is continuously produced by the natural decay of radioactive materials. This heat is essentially limitless and will continue to be available as long as the Earth exists. Geothermal power plants use this heat to generate electricity, making it a sustainable and renewable source of energy.

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• 13.

### Form of energy that in which vibrations travel as waves

• A.

Heat

• B.

Sound

• C.

Chemical

B. Sound
Explanation
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. These waves carry energy from the source of the sound to our ears, allowing us to hear it. Sound waves can also travel through solids and liquids, which is why we can hear sounds underwater or through walls. Therefore, sound is the correct answer as it fits the description of a form of energy that travels through vibrations as waves.

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• 14.

### Movement of particles in matter, increased movement or particles, more heat is released

• A.

Chemical

• B.

Solar

• C.

Thermal

• D.

Nuclear

C. Thermal
Explanation
Thermal energy refers to the energy that is generated by the movement of particles in matter. When the movement or kinetic energy of particles increases, more heat is released. Therefore, thermal energy is the correct answer as it accurately describes the process of increased movement of particles and the release of more heat.

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• 15.

### Forces between charged particles

• A.

Nuclear energy

• B.

• C.

Electrical energy

• D.

Thermal energy

C. Electrical energy
Explanation
Electrical energy is the correct answer because it refers to the energy associated with the movement of charged particles, such as electrons. When charged particles are in motion, they create an electric current, which can be used to power various devices and systems. Electrical energy is commonly used in our daily lives for lighting, heating, and operating electronic devices. It is distinct from other forms of energy mentioned in the question, such as nuclear energy (associated with the nucleus of an atom), radiant energy (energy carried by electromagnetic waves), and thermal energy (associated with the temperature of an object).

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• 16.

### Which type of heat energy transfer explains how weather occurs?

• A.

Conduction

• B.

Convection

• C.

B. Convection
Explanation
Convection is the correct answer because it is the type of heat energy transfer that explains how weather occurs. Convection occurs when heat is transferred through the movement of fluids, such as air or water. In the case of weather, convection is responsible for the movement of warm and cold air masses, which leads to the formation of clouds, precipitation, and other weather phenomena. This process plays a crucial role in the Earth's atmospheric circulation and the development of weather patterns.

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• 17.

### There is a direction connection between work and energy.

• A.

True

• B.

False

A. True
Explanation
The statement is true because work is defined as the transfer of energy that occurs when a force is applied to an object and it causes the object to move in the direction of the force. In other words, work is the transfer of energy from one object to another. Therefore, there is a direct connection between work and energy as work is the mechanism through which energy is transferred.

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• 18.

### Which type of heat type transfer is direct contact with another object?

• A.

Conduction

• B.

Convection

• C.

• D.

A. Conduction
Explanation
Conduction is the correct answer because it refers to the transfer of heat through direct contact between two objects. In this type of heat transfer, the heat energy flows from a region of higher temperature to a region of lower temperature, as the molecules in the hotter object collide with the molecules in the cooler object, transferring their energy. This direct contact allows for the efficient transfer of heat between the objects.

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• 19.

### When gas is burned in an engine it converts to what type of energy.

• A.

Chemical

• B.

Thermal or heat

• C.

Electrical

• D.

Solar

B. Thermal or heat
Explanation
When gas is burned in an engine, it undergoes a chemical reaction known as combustion. This combustion process releases energy in the form of heat or thermal energy. This thermal energy is then converted into mechanical energy, which powers the engine and allows it to perform work. Therefore, the correct answer is thermal or heat energy.

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• 20.

### 20. Consider the energy conversion changes and choose the correct order of energy changes.  Sun shines on grass.  Sheep eats grass.  Sheep baas.

• A.

Sound, chemical, mechanical, thermal, solar

• B.

Nuclear, solar, chemical, thermal, mechanical

• C.

• D.

Nuclear, chemical, mechanical, thermal, sound

C. Radiant, chemical, mechanical, thermal, sound
Explanation
The sun shining on the grass is an example of radiant energy conversion. The grass being eaten by the sheep involves a chemical energy conversion, as the grass is being broken down and digested. The sheep baas, which is a sound, is an example of mechanical energy conversion. The process of digestion in the sheep's body produces thermal energy, and the sound produced by the sheep is a result of the conversion of mechanical energy into sound energy. Therefore, the correct order of energy changes is radiant, chemical, mechanical, thermal, sound.

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• 21.

### Which type of energy transfer does not require matter?

• A.

Conduction

• B.

Convection

• C.

Explanation
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 through empty space. It is the process by which energy is emitted in the form of electromagnetic waves or particles, such as heat or light, and can travel through a vacuum. This type of energy transfer is commonly observed in phenomena like the sun's heat reaching the Earth or the emission of heat from a fire.

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• 22.

### What type of energy do you find only in the sun, the atomic bomb and some power plants?

• A.

• B.

Chemical

• C.

Nuclear

• D.

Solar

C. Nuclear
Explanation
The correct answer is nuclear. Nuclear energy is the type of energy found in the sun, atomic bombs, and some power plants. This energy is released through nuclear reactions, such as nuclear fission or fusion, which involve the splitting or combining of atomic nuclei. Radiant energy refers to electromagnetic radiation, which is present in various forms, including sunlight. Chemical energy is stored in the bonds of molecules and is released through chemical reactions. Solar energy specifically refers to the energy from the sun, which is a form of radiant energy.

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• 23.

### Hydropower is non-renewable energy resource.

• A.

True

• B.

False

B. False
Explanation
The given statement is incorrect. Hydropower is actually a renewable energy resource. It is generated by harnessing the energy of flowing or falling water, such as rivers or waterfalls, and converting it into electricity. This process does not deplete the water source and can be repeated indefinitely, making hydropower a sustainable and renewable energy option.

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• 24.

### Biomass is a renewable energy resource.

• A.

True

• B.

False

A. True
Explanation
Biomass is considered a renewable energy resource because it is derived from organic materials such as plants, crops, and animal waste, which can be replenished through natural processes. These organic materials can be burned to produce heat or converted into biofuels to generate electricity or power vehicles. Unlike fossil fuels, which are finite and non-renewable, biomass can be continuously grown and harvested, making it a sustainable energy source. Therefore, the statement "Biomass is a renewable energy resource" is true.

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• 25.

### When you touch a hot cup of coffee with your cold hands, heat flows from _______________ to ________________.

• A.

The cup of coffee to your hands

• B.

Your hands to the cup of coffee

• C.

The cup of coffee to the cup of coffee