unit 1
what is the structures are in a atom
protons,neutrons,space,electrons,electron cloud.
what is a chemical formula
A chemical formula is a way of presenting information about the chemical
what is net force
The net force is the vector sum of all the forces that act upon an object.
what is a map
a flat picture of the earth
what is an electron
charge of negative electricity
what is a chemical change
Chemical changes occur when a substance combines with another to form a new substance
what is newtons 1st law
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
what is a hurricane
A tropical cyclone is a rotating low-pressure weather system that has organized thunderstorms but no fronts
what is a neutron
has a neutral charge
can you count atoms
yes
what is newtons 2nd law
The second law states that the acceleration of an object is dependent upon two variables
what is a convection current
Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.
what is a proton
A proton is a subatomic particle with a positive electric charge
how can you count atoms
Chemists have selected a number of particles with which to work that is convenient.
what is newtons 3rd law
they apply forces to one another that are equal in magnitude and opposite in direction.
what is a weather front
A weather front is a transition zone between two different air masses at the Earth's surface. Each air mass has unique temperature and humidity