# Miss Ashurst - Core Physics - Energy Transfer

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| By MissAshurst
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MissAshurst
Community Contributor
Quizzes Created: 1 | Total Attempts: 79
Questions: 10 | Attempts: 79  Settings  • 1.

### As a space shuttle moves towards Earth, it loses.......

• A.

Gravitational potential energy

• B.

Kinetic energy

• C.

Light energy

• D.

Thermal energy

• E.

Sound energy

A. Gravitational potential energy
Explanation
As a space shuttle moves towards Earth, it loses gravitational potential energy. This is because gravitational potential energy is the energy possessed by an object due to its position in a gravitational field. As the space shuttle moves closer to Earth, its distance from the Earth's center decreases, resulting in a decrease in gravitational potential energy. This energy is then converted into other forms, such as kinetic energy, as the shuttle accelerates towards Earth.

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• 2.

### When a car moves faster it gains......

• A.

Gravitational potential energy

• B.

Kinetic energy

• C.

Light energy

• D.

Thermal energy

• E.

Sound energy

B. Kinetic energy
Explanation
As a car moves faster, its kinetic energy increases. Kinetic energy is the energy possessed by an object due to its motion. When the car accelerates, its speed increases, resulting in a greater amount of kinetic energy. This energy is directly proportional to the mass of the car and the square of its velocity. Therefore, as the car moves faster, it gains more kinetic energy.

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• 3.

### The input energy into a mobile phone is.........energy.

• A.

Electrical

• B.

Thermal

• C.

Light

• D.

Sound

• E.

Kinetic

A. Electrical
Explanation
The input energy into a mobile phone is electrical energy because mobile phones require electricity to function. They are powered by batteries or connected to a power source through a charger, which provides the necessary electrical energy to operate the device. This energy is converted into various forms such as sound, light, and kinetic energy within the phone, but the initial input energy is electrical.

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• 4.

### The useful energy output from the speaker is ..........energy.

• A.

Electrical

• B.

Light

• C.

Thermal

• D.

Sound

• E.

Kinetic

D. Sound
Explanation
The useful energy output from the speaker is sound energy. When an electrical signal is sent to the speaker, it causes the speaker cone to vibrate, which in turn creates sound waves. These sound waves carry energy and can be heard by our ears. Therefore, the speaker converts electrical energy into sound energy, making sound the correct answer.

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• 5.

### The useful energy output from the screen is .......... energy.

• A.

Electrical

• B.

Light

• C.

Thermal

• D.

Sound

• E.

Kinetic

B. Light
Explanation
The useful energy output from the screen is light energy. This is because screens, such as those in televisions or computer monitors, emit light that allows us to see the images or text displayed on them. Light energy is a form of electromagnetic radiation that can be detected by our eyes and is essential for visual perception.

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• 6.

### The wasted energy output from the mobile phone is........energy.

• A.

Electrical

• B.

Light

• C.

Thermal

• D.

Sound

• E.

Kinetic

C. Thermal
Explanation
The wasted energy output from a mobile phone refers to the energy that is not utilized for any productive purpose and is dissipated as heat. This heat energy is known as thermal energy.

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• 7.

### In an eco-friendly house solar cells transfer........

• A.

Chemical energy to thermal energy

• B.

Electrical energy to thermal energy

• C.

Light energy to electrical energy

• D.

Kinetic energy to electrical energy

• E.

Light energy to sound energy

C. Light energy to electrical energy
Explanation
Solar cells, also known as photovoltaic cells, are designed to convert light energy from the sun into electrical energy. This process is achieved through the photovoltaic effect, where the photons from the sunlight excite electrons within the solar cells, creating an electric current. Therefore, the correct answer is "light energy to electrical energy."

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• 8.

### In an eco-friendly house a wind turbine transfers........

• A.

Chemical energy to thermal energy

• B.

Electrical energy to thermal energy

• C.

Light energy to electrical energy

• D.

Kinetic energy to electrical energy

• E.

Light energy to sound energy

D. Kinetic energy to electrical energy
Explanation
In an eco-friendly house, a wind turbine is used to harness the power of the wind. The wind's kinetic energy is converted into electrical energy by the turbine. As the wind blows, it causes the turbine blades to rotate, which in turn spins a generator to produce electricity. This electrical energy can then be used to power various appliances and systems in the house, reducing the reliance on non-renewable energy sources and promoting sustainability.

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• 9.

### In an eco-friendly house biofuel used in the cooker transfers........

• A.

Chemical energy to thermal energy

• B.

Electrical energy to thermal energy

• C.

Light energy to electrical energy

• D.

Kinetic energy to electrical energy

• E.

Light energy to sound energy

A. Chemical energy to thermal energy
Explanation
Biofuel is a type of fuel that is derived from organic materials, such as plants or animal waste. When biofuel is used in a cooker, it undergoes a chemical reaction, releasing energy in the form of heat. This heat energy is then transferred to the food being cooked, converting the chemical energy of the biofuel into thermal energy. Therefore, the correct answer is "chemical energy to thermal energy."

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• 10.

### As a tidal barrage used to generate electricity moves water moves from a lower level to a higher level it gains mainly.......

• A.

Electrical energy

• B.

Gravitational potential energy

• C.

Sound energy

• D.

Thermal energy

• E.

Light energy