WorksheetsUnit 1 Review: Matter & Chemical Changes
Total questions: 71
Worksheet time: 56mins
Name
Class
Date
1.
Which type(s) of substances are considered pure substances?
a)
Elements only
b)
Compounds only
c)
Mixtures only
d)
Elements and compounds
2.
This type of substance is made up of one type of atom.
a)
Element
b)
Compound
c)
Mixture
3.
Which of the following requires a physical change to separate?
a)
Element
b)
Compound
c)
Mixture
4.
Pavlin combines water and hydrogen to form water. What type of substance was formed?
a)
Element
b)
Compound
c)
Mixture
5.
This type of substance is formed through a chemical change.
a)
Element
b)
Compound
c)
Mixture
6.
Which of the following is NOT considered a pure substance?
a)
Element
b)
Compound
c)
Mixture
7.
Which of the following best describes a compound?
a)
A pure substance made up of one type of atom.
b)
A pure substance made up of two or more atoms chemically combined.
c)
A substance made up of two or more pure substances physically combined.
d)
A substance made up of three atoms.
8.
Magnesium and chlorine bond to form magnesium chloride. What type of substance has formed?
a)
Element
b)
Compound
c)
Mixture
9.
Salt water would require what type of change to separate it?
a)
Physical
b)
Chemical
10.
14. a milk shake
a)
A. MIXTURE
b)
B. COMPOUND
c)
C. ELEMENT
11.
15. gold
a)
A. MIXTURE
b)
B. COMPOUND
c)
C. ELEMENT
12.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
13.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
14.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
15.
Is corroding metal a chemical or physical change?
a)
physical
b)
chemical
16.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
17.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
18.
Using dye to change the color of a shirt green.
a)
Chemical Change
b)
Physical Change
19.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
20.
The smell your dog makes after eating to much people food.
a)
Chemical Change
b)
Physical Change
21.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
22.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
23.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
24.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
25.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
26.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
27.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
28.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
29.
An empty beaker has a mass of 60 grams. When mercury is added to the beaker, it has a mass of 200 grams. What is the mass of the mercury?
a)
140 grams
b)
200 grams
c)
140 mL
d)
260 g
30.
What is the volume of the fish?
a)
18.0 cm3
b)
6.0 cm3
c)
38.0 cm3
31.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
32.
True or False: The density of a specific type of material never changes.
a)
True
b)
False
33.
Identify the item
a)
beaker
b)
Erlenmeyer flask
c)
wash bottle
d)
watch glass
34.
Identify the equipment shown here:
a)
graduated cylinder
b)
Erlenmeyer flask
c)
beaker
d)
volumetric flask
35.
Identify the equipment shown here:
a)
ring stand
b)
iron ring
c)
utility clamp
d)
test tube holder
test tube holder
test tube holder
36.
Identify the equipment shown here:
a)
concave glass
b)
convex glass
c)
watch glass
d)
glass plate
37.
Identify the equipment shown here:
a)
beakers
b)
flasks
c)
decanters
d)
graduated cylinders
38.
Identify the equipment shown here:
a)
test tube clamp
b)
iron ring
c)
utility clamp
d)
test tube holder
39.
Identify the equipment shown here:
a)
acetylene torch
b)
flame thrower
c)
alcohol burner
d)
Bunsen burner
40.
Identify the equipment shown here:
a)
wire gauze
b)
flame spreader
c)
sieve
d)
mesh
41.
Identify the equipment shown here:
a)
test tube holder
b)
iron rod
c)
iron ring
d)
ring stand
42.
Identify the equipment shown here:
a)
beaker
b)
volumetric flask
c)
cylinder
d)
Erlenmeyer flask
43.
Identify the equipment shown here:
a)
beaker
b)
Erlenmeyer flask
c)
Florence flask
d)
volumetric flask
44.
What is used to hold test tubes?
a)
Test tube rack
b)
Magnifying glass
c)
Petri dish
d)
Funnel
45.
What is used to protect your eyes from chemicals, broken glass, and fire?
a)
Fire blanket
b)
Eye wash
c)
Goggles
d)
Flask
46.
Name this item
a)
Balance
b)
pH Meter
c)
Digital Thermometer
d)
Spectrometer
47.
Name this item
a)
test tube clamp
b)
tongs
c)
ring stand
d)
buret clamp
48.
a)
test tube rack
b)
test tube clamp
c)
wire holder
d)
utility clamp
49.
Name this item
a)
Test tube brush
b)
Striker
c)
Ring stand
d)
Wire gauze
50.
Name this item
a)
Ring stand
b)
Graduated cylinder
c)
Evaporating dish
d)
Watch glass
51.
Name this item
a)
weighing boat
b)
funnel
c)
wash bottle
d)
Erlenmeyer flask
52.
Name this item
a)
Test tube holder
b)
Iron ring
c)
Tongs
d)
Utility clamp
53.
The last digit in an accepted measurement is
a)
estimated
b)
exact
c)
actual value
d)
significant digit
54.
Romy's measurements: 6.02 m, 6. 04 m, 6.03 m
Actual Value: 6.02 m
How would you define her measurements?
Actual Value: 6.02 m
How would you define her measurements?
a)
accurate and precise
b)
accurate
c)
precise
d)
neither
55.
Measurements that are repeated and close to each other can be defined as:
a)
accurate
b)
accurate and precise
c)
precise
d)
estimated
56.
How many estimated digits should there be in an accepted measurement?
a)
0
b)
1
c)
2
d)
3
57.
Accuracy is defined as
a)
close repeated measurements
b)
awesome measurements
c)
really good guessing
d)
measurement near the true value
58.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
59.
The metal is 7.1 cm long
a)
7 is the estimated digit
b)
1 is the estimated digit
c)
7 is the uncertain digit
d)
Both 7 and 1 are estimated digits
60.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
61.
Volume?
a)
63.5 mL
b)
63 mL
c)
63.55 mL
d)
6 mL
62.
How many sig figs are there?
100.00
100.00
a)
1
b)
3
c)
4
d)
5
63.
How many sig figs are there?
100000000
100000000
a)
1
b)
9
c)
10
64.
How many sig figs are there?
4004
4004
a)
1
b)
2
c)
3
d)
4
65.
How many sig figs are there?
0.000008
0.000008
a)
1
b)
2
c)
6
d)
7
66.
How many sig figs are there?
0.00400
0.00400
a)
1
b)
3
c)
5
d)
6
67.
How many sig figs are there?
4000.
4000.
a)
1
b)
3
c)
4
68.
Calculate 12.34 + 1.234 + 0.1234
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
69.
Calculate 12.34 × 1.234 × 0.1234
a)
1.87908
b)
1.879
c)
1.9
d)
1.8790809
70.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
71.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
100 %
