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science stuff44

about science 8th grade

QuestionAnswer
what is a red shift? red fled which means the planet is moving away
what is a blue shift? blue you meaning planet come twords you
what are some indications that a chemical change has ocurred? change in color, or smell, Bubbling,Fizzing
what are some indications that a phyical change has ocurr change in state ect....
what is newtons first law what is in motion stays in motion unless acted upon by an outside force
What is newtons second law? Acceleration=distance/time
What is newtons third law? For every action there is a equal or opposite reaction
what is the equation for speed speed=distance/time
Where is the Protons and Neutrons Located? In the nucleus
Where is the electrons located? In the electron cloud
What are the 2 subatomic particals? Protons and nutrons
What kind of charge does a proton have? Positive
What kind of charge is a neutron? Neutral
What kind of charge is an electron? Negative
Created by: darkmoon44
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