# How does a flashlight demonstrates the law of conservation of energy?

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The Law of Conservation of Energy states that “energy cannot be created nor destroyed, but it can be transformed from one form to another.” … In a flashlight, the electrical energy becomes light energy and thermal energy in the bulb.

## How can we demonstrate the law of conservation of energy?

Similarly, the law of conservation of energy states that the amount of energy is neither created nor destroyed. For example, when you roll a toy car down a ramp and it hits a wall, the energy is transferred from kinetic energy to potential energy.

## What energy transformation occurs when the flashlight is on?

Answer: The correct answers are “chemical energy into electrical energy” and then “the electrical energy into light energy”. Explanation: In the battery-powered flashlight, the battery supplies the chemical energy which makes the electrons to flow in the circuit and constitutes the current.

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## How does a flashlight get energy?

When the switch of a flashlight is pushed into the ON position, it makes contact between two contact strips, which begin a flow of electricity, powered from the battery. … When activated by electricity, the tungsten filament or LED in the lamp begins to glow, producing light that is visible.

## Which would be the best example to demonstrate the principle of conservation of energy?

What is the best example of the law of conservation of energy? If a pendulum is one meter off the ground at one end of its swing, it can never be more than one meter (The law of conservation of energy states that energy cannot be created or destroyed.

## What are the daily activities that demonstrates conservation of energy?

A baseball hits a window in a house, shattering the glass. The energy from the ball was transferred to the glass, making it shatter into pieces and fly in various directions. When a moving car hits a parked car and causes the parked car to move, mechanical energy is transferred from the moving car to the parked car.

## Is a flashlight potential or kinetic energy?

When you turn on a device that is battery-operated, such as a flashlight or a toy, the electrical potential energy stored in the battery is converted into other forms of energy such as sound, mechanical motion, thermal energy, and light.

## Is a flashlight mechanical energy?

When you manually crank the flashlight, a coil of wire inside the generator converts the mechanical energy into electrical energy. This allows an electrical current to flow through the flashlight, thus lighting the bulb of the flashlight.

## What energy transformations occur when the fireworks explode?

When fireworks explode, chemical energy is transformed into thermal energy, mechanical energy, radiant energy, and sound energy.

## What type of energy does a torch use?

A torch battery has chemical energy stored in it. When the battery is connected in a circuit, this chemical energy is changed into electrical energy, which is then carried by the electricity from the battery to a light globe where it can be changed into light.

## What is the purpose of a flashlight?

Flashlights are devices that provide illumination without the use of electricity. This strong beam of light can be easily controlled for specific tasks. These tools are necessary for countless environments and situations. Like most tools, flashlights are not a one size fits all for users.

## How does a phone flashlight work?

Google first introduced a flashlight toggle with Android 5.0 Lollipop, located right in the quick settings. To access it, all you have to do is pull down the notification bar, find the toggle, and tap on it. The flashlight will be turned on instantly, and you can toggle it right back off when you no longer need it.

## What are some real life examples of the law of conservation of mass?

The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first reacted.

## What does the law of conservation of matter tell us?

The Law of Conservation of Mass

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Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.

## What evidence supports a conservation law?

Answer: The evidence that supports the conservation law is that Carbon dioxide becomes glucose and oxygen during photosynthesis. The law of conservation of mass states that in a chemical reaction, mass is neither created nor destroyed.