chemistry
Where is the nucleus?
In the center of the atom.
Why is non renewable energy not great?
It’s going to be gone in 50 years
Where is the crest?
Top of the wave
Velocity is also called what?
Meters per second
whats the largest source of energy for the earth?
The sun
Where do you find energy levels?
In the rings of the atom
Coal, fossil fuels and oil are all examples of what?
Non renewable energy
What does wavelength do?
Mesures the waves
Energy is ..?
The ability to cause change
As energy changes what happens to most of it?
It runs out
Whatis on the top left corner of the element in the P.T?
The atomic number
What are 3 examples of renewable energy?
Sun, water and wind
What is a use for infared?
Radiation
A bird (12 kg) sitting on a 20 m high telephone pole. What type of problem is this?
Potential
Whats the first law?
Energy cannot be created or destroyed
What dies an atom need to have in order to be stable?
A full outer energy level
Why is renewable energy not as good?
Its less efficient
If there is a low temp there is..?
A low frequency
For a Potential energy problem which formula do you use?
E(P)=mXgXh
or
E(k)=1/2M (V squared)
E(P)= mXgXh
What are the 4 main types of energy transfers?
Chemical, electrical, mechanical, thermal
What is the difference between a metalloid and a nonmetal?
There are not many differences, metalloids share properties
How can you reduce your carbon footprint?
Carpool
As a star moved towards the earth what type of wavelength and frequency is there?
Shorter wavelength, higher frequency
Without energy..
Nothing would ever change
Each time energy is transferred it becomes less and less useful... Which law is this?
The 2nd law