1.
Elements can be broken down into other substances by heat, light, or electricity.
2.
Metals
A. 
B. 
C. 
Conduct heat and electricity
D. 
3.
Oxygen and nitrogen are
4.
Scientists organize the elements in the
5.
In the periodic table, elements are organized by
A. 
B. 
C. 
D. 
6.
Elements with similar properties are in the same column or __________________
7.
The smallest particle of an element that has all the properties of the element is the
8.
The center of an atom is the
A. 
B. 
C. 
D. 
9.
The particle in the center of an atom that has no charge is the
A. 
B. 
C. 
D. 
10.
The particle in the center of an atom that has a positive charge is the
A. 
B. 
C. 
D. 
11.
The particle that is found outside of the center of the atom that has a negative charge is the
A. 
B. 
C. 
D. 
12.
The ______________________________________ tells you the number of protons in the nucleus of the atom.
13.
Carbon has an atomic number of 6. How many electrons does it have?
14.
Two or more atoms joined together are called a __________________
15.
A substance made up of atoms of two or more different elements is a
16.
A new material developed to be used in the medical field is
A. 
B. 
C. 
D. 
17.
Good examples of mixtures are
A. 
B. 
C. 
D. 
18.
In a mixture, the atoms of the different materials are not combined so they can be easily separated.
19.
A special type of mixture where the particles are evenly spread out and dissolved in another material is called a
20.
When we describe a substance using our senses we are describing __________________ properties
21.
Elasticity means a substance can _______________________
22.
Boiling point is a
23.
The three states of matter are
A. 
B. 
C. 
D. 
24.
A change of state is a
25.
A chemical property describes the way substance reacts with another substance.
26.
Iron filings in sand is a
A. 
B. 
C. 
D. 
27.
A substance can burn in the presence of oxygen. This is a
28.
Iron reacts with oxygen to form______________.
29.
Prospectors use a __________________ property of pyrite (fool's gold) to tell it apart from gold.
30.
Pyrite reacts with acid to produce a ______________________.
31.
Digesting food is a
32.
Baking soda combines with vinegar to produce
33.
Which physical state expands to fill up whatever container it is in?
34.
Which physical state takes the shape of its container but has a definite volume?
35.
Which physical sate has a definite shape and volume?