Energy and Its Forms
What is energy?
When you pedal a bike and the light goes on, you have converted _________energy into ______________energy.
What is mechanical or kinetic energy and electric energy?
Biomass energy is,......
What is the chemical energy stored in living things?
When chemical energy is used by a person to climb a ladder, we say that _____________ has been done.
What is work?
When an object is moving, we say that it has ________ energy.
What is kinetic?
The equation E = mc2 shows the relationship between energy and ___________.
What is mass?
One drawback of solar energy is,...
What is it depends on the climate. A rainy climate means solar panels collect less energy.
Biomass energy is,.....
What is the chemical energy stored in living things?
The form of energy stored in gasoline is called,...
What is chemical energy?
This is the explanation of the concept of conservation of energy.
What is Energy cannot be created or destroyed, but it can be converted to different forms.
A non-renewable energy source is one that,.....
What is cannot be replaced or renewed?
Electromagnetic energy comes from,....
What is the sun?
If an object becomes warmer we say that it has gained this type of energy.
What is thermal energy?
In the equation E = mc2, c is the _________________.
What is speed of light?
Geothermal energy is renewable, and it has another advantage over fossil fuels.
What is it doesn't create pollution?
The mechanical energy of an object equals,....
What is its potential energy plus its kinetic energy?
A 10 kg. rock is resting at the edge of a 30 meter high cliff. Use this formula to calculate its potential energy:(mgh)
(10kg) (9.8m/s) (30 m) = 2,940 J
You can tell that a wind turbine (windmill sort of) converts this form of energy into electrical energy.
What is mechanical or kinetic energy?
When we say that solar energy is a renewable resource, we mean,...
It has an almost unlimited supply.
A compressed spring has this form of energy; be specific.
What is elastic potential energy?