Energy
Types of energy
Light
Sound
All the unit
100
It is the ability to do work.
What is energy?
100
It is the energy found in elements.
What is nuclear energy?
100
300,000 km/s
How fast light travel?
100
Larynx, vocal cords, tongue, teeth, mouth and lips.
What are the parts of the mouth sound?
100
Non-renewable energy sources and renewable sources of energy.
What are the energy sources?
200
Light and heat.
What does energy give from the sun?
200
Chemical energy
What energy is produced by fossil fuels?
200
If a light meets an obstacle, the obstacle blocks, and shadow is formed.
What makes a shadow form?
200
It is the reflection of sound.
What is echo?
200
A red object absorbs every colour of light except red.
What colours does a red object absorb?
300
It is connected with all which we do
Who is the energy connected ?
300
In a taxi ____________ energy is converted into_________ energy and into ______________ energy
chemical, thermal and mechanical
300
Objects who absorb on reflect light.
What are opaque objects?
300
Intensity, pitch and tone.
What are the qualities of sound?
300
They are both the result of hitting an obstacle.
How are echoes and shadows similar?
400
They are the sources that it cannot be replanished in a short period of time. As fossil fuels and uranium.
What are non-renowable energy sources ? (examples)
400
In a electric cooker ________ energy is converted into _____________ energy.
Light and mechanical.
400
A rainbow occurs when white light is separated into different colours.
When do rainbows occur?
400
It is a form of mechanical energy produced by the vibration of an object.
What is sound?
400
When it reflects light from the Sun.
When can we see the Moon?
500
They are the sources that it can be replanished in a short period of time. As sunlight wind and water.
What are renowable energy sources ? (examples)
500
It is converted into light and heat energy.
What is converted in electrical energy?
500
When the light passes through one transparent medium to another, it bends and changes direction.
What is the refraction?
500
It depends upon the amplitude of the sound wave.
What does intensity depend?
500
It depends upon the amplitude of the sound wave.
What does the intesity depend?
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