Classification of Matter
Choose words from the list to fill in the blanks in the paragraphs.
chemical property
mixture
extensive property
substance
intensive property
element
property
homogenous matter
compound
physical property
heterogeneous matter
Matter has uniform characteristics throughout is called (1) ____.
Matter that has parts with different characteristics is called (2). A
characteristic by which a variety of matter is recognized is called a(n)
_______(3)__________. A characteristic that can be observed without
producing new kinds of matter is called a(n) ________(4)______. A
characteristic that depends on how a kind of matter changes during
interactions with other kinds of matter is called
________(5)________.
Matter can also be classified according to the basic types of
matter it contains. A simple substance that cannot be broken down
into other substances by chemical means is called
_______(6)_______. A chemical combination of simple substances is
called ________(7)______. A physical combination of different
substances that retain their individual properties is called a(n)
________(8)_______. Either an element or a compound may be
referred to as a(n) _______(9)______.
1. ________________
2. ________________
3. ________________
4. ________________
5. ________________
6. ________________
7. ________________
8. ________________
9. ________________
MIXTURES
Classify each of the following as an element, compound, heterogeneous mixture, or homogenous
mixture.
10.
Water _______________
11. Carbon _______________
12.
Air
13. Table salt, NaCl _______________
14.
Sugar dissolved in water _______________
15. Granite _______________
16.
Homogenized milk _______________
17. Oxygen _______________
18.
Sand in water _______________
_______________
Chemical and Physical Properties
Classify each of properties listed below as physical or chemical.
1.
Color
2.
_______________ __ 10.
reactivity
____________________
Combustibility ___________________11.
Unreactive
____________________
3.
Hardness
__________________ 12.
Odor
____________________
4.
Density
__________________ 13.
stability
____________________
5.
Mass
__________________ 14.
Malleability
____________________
6.
Melting point
__________________ 15.
Tendency to corrode _______________
7.
Ductility
__________________ 16.
reacts with water
8.
Volume
__________________ 17.
Weight
____________________
9.
rusting
__________________ 18.
solubility
____________________
________________
Some of the measured properties of a given substance are listed below. Write the general name describing
each property. Select the names from the following properties: chemical, malleability, density, volume,
hardness, melting point, ductility, mass, odor, weight, combustibility.
19.
20.
21.
22.
23.
24.
25.
15 dm3 ____________________
Can easily be hammered into sheets
____________________
2.8 g/cm3
____________________
Burns when heated in the presence of O2.
____________________
Stinks when heated
____________________
500 oC
____________________
Can easily be drawn into a wire ____________________
Chemical and Physical Changes (2)
1. Classify each of the following as chemical or physical changes:
a. growth of a plant
_________________________________
b. fading of dye in cloth
_________________________________
c. melting of ice
_________________________________
d. digestion of food
_________________________________
e. formation of
_________________________________
f. heating of a wood
_________________________________
g. making a rock candy by evaporating water from
sugar solution
h. production of light by an electric arc
_________________________________
_________________________________
i. burning of a coal
_________________________________
j. tearing of a piece of paper
_________________________________
k. kicking of a football
_________________________________
l. excavating of a soli
_________________________________
m. exploding of a firecracker
_________________________________
2. Which of the following involve a change in state of a substance?
a. grinding beef into hamburgers
____________________________
b. soldering wires on a computer circuit board by melting solder ________________________
c. pouring milk into a glass
d. allowing soup to cool in a bowl
_________________________________
_________________________________
27.
Classify the following materials as heterogeneous mixture, solutions, compounds, or elements.
a. concrete ________________
f. gunpowder _________________
b. selenium ________________
28.
g. brass ______________________
c. baking powder ___________
h. hydrogen sulfide _____________
d. formaldehyde ____________
i. apple _______________________
e. aluminum _______________
j. soft drinks ___________________
Classify the following properties as chemical or physical.
a. heat conductivity _______________
e. length ________________
b. combustible ___________________
f. brittleness _____________
c. acid resistant __________________
d. displaces hydrogen from water ________________
CHAPTER 1: ANSWER SHEET (PART II)
Page 18: Classification of Matter
1. homogenous matter
2. heterogeneous mixture
3. property
4. physical property
5. chemical property
6. element
7. compound
8. mixture
9. substance
13. compound
14. homogenous mixture
15. heterogeneous mixture
16. heterogeneous mixture
17. element
18. heterogeneous mixture
Page 19: Mixtures
10. compound
11. element
12. homogenous mixture
Page 19: Chemical and Physical Properties
1. physical property
2. chemical property
3. physical
4. physical
5. physical
6. physical
7. physical
8. physical
9. chemical property
10. chemical
11. chemical
12. physical
13. chemical
14. physical
15. chemical
16. chemical
17. physical
18. physical
19.
20.
21.
22.
23.
24.
25.
volume
malleability
density
combustibility
odor
melting point
ductility
Page 20: Chemical and Physical Changes(2)
1a.
b.
c.
d.
chemical
chemical
physical
chemical
e.
f.
g.
h.
physical
chemical
physical
physical
i. chemical
j. physical
k. physical
l. physical
m. chemical
2a no
b. yes
c. no
d. no
Page 21/22: Review – Matter Concepts
27. a.
b.
c.
d.
28. a.
heterogeneous
element
homogenous mixture
compound
physical b. chemical
e. element
f. homogenous mixture
g. homogeneous mixture
h. compound
c. chemical d. chemical e. physical
i. heter. Mixture
j. heterogeneous
f. physical