Science test unit 3 Flashcards
1
Q
Matter
A
anything that has mass and takes up space
2
Q
substance
A
a single kind of matter that is pure
3
Q
element
A
a pure substance that cannot be broken into any other substance by chemical or physical means
4
Q
atom
A
the
5
Q
molecule
A
they are formed when groups of two or more atoms are created
6
Q
compound
A
made from two or more
7
Q
mixture
A
are not pure substances
8
Q
mass
A
the amount of matter in an object
9
Q
energy
A
the ability to do work or cause change
10
Q
kinetic energy
A
energy of moving things
11
Q
potential energy
A
energy that is stored in an object because of its position
12
Q
chemical change
A
happens when a substance is transformed into a different substance
