Question

ENERGY



1. Suggest one way of conserving energy.


2. describe two sources of energy and explain how they work.

3. List down three forms of energy and their uses.

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Answer 1

Answer:

vitamin D of sun ray in mornining

Answer 2

Answer:

This is the energy that is generated by the flow of electric charge. It is used for various purposes such as lighting, powering electronic devices, and running motors and machines.

Explanation:

One way of conserving energy is by using energy-efficient appliances and devices. For example, replacing traditional incandescent light bulbs with LED light bulbs can save a significant amount of energy.

Two sources of energy are:

Solar energy: This is energy that is generated from the sun's radiation. Solar panels are used to capture this energy, which is then converted into electricity. The process involves the use of photovoltaic cells that are made of silicon. When sunlight falls on these cells, they generate a flow of electrons, which is then used to produce electricity.

Wind energy: This is energy that is generated from the wind. Wind turbines are used to capture the kinetic energy of the wind and convert it into electricity. The process involves the use of large blades that are attached to a rotor. When the wind blows, it causes the blades to rotate, which in turn drives a generator to produce electricity.

Three forms of energy and their uses are:

Thermal energy: This is the energy that is generated by heating a substance. It is used for various purposes such as cooking, heating homes and buildings, and generating electricity.

Kinetic energy: This is the energy that is possessed by a moving object. It is used for various purposes such as transportation, generating electricity, and powering machinery.

Electrical energy: This is the energy that is generated by the flow of electric charge. It is used for various purposes such as lighting, powering electronic devices, and running motors and machines.

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