The Atom
What charge does a proton have?
positive
what is on the periodic table
elements
what is a non renewable resource
one that cannot be replaced
name an example of a physical change
painting, cutting hair, tearing paper
the variable that is changed by the experimenter
independent variable
Where is the electron located?
in the electron cloud
if something is an element, what does that mean?
it only has one type of atom in it
what type of energy has electrons flowing through a current
electricity
what is an example of a chemical change
baking a cake, explosion, burning wood
the variable that changes because of the independent variable
dependent variable
What charge does a neutron have
no charge
what does the cube on the table mean about the state of matter?
solid
what are some renewable energy sources?
biomass, wind, water, solar
how can you tell a chemical change has taken place
odor, bubbling, popping, new substance
the part of the experiment used as a comparison
control
what is inside the nucleus
the proton and the neutron
what are the transition metals
have properties of both metals and non metals
what type of energy involves splitting or fusing an atom
nuclear
H20 is an example of what
compound-elements joined together
what the experimenter collects during the experiment
data
what is most of an atom made of
empty space
what is a synthetic element and where do you find them on the table
man made and at bottom
the statement, energy is never lost or gained, it only changes form is the law of what
the conservation of energy
the definition of matter
anything that has mass and takes up space
the statement about what the experimenter believes will happen
hypothesis