Things that have mass and takes up space is called ___.
matter
Matter needs ___ to change.
energy
Matter is made of ____.
atoms
Atoms combined chemically to form ____.
molecules
True or False? This model shows one kind of atoms.
True or False? This model shows two kinds of atoms.
True
True or False? This model shows one kind of atoms.
False
How many kinds of atoms are shown by this model?
two
How many kinds of atoms are shown by this model?
three
A type of matter that is made of the same kind of atoms is called ____
an element
a mixture
a compound
A type of matter made of two or more substances physically combined is called ____.
an element
a substance
a mixture
a compound
