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WorksheetsAcids, Bases, Mass, Weight, and Density
Total questions: 32
Worksheet time: 19mins
Name
Class
Date
1.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
2.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
3.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
4.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
5.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
6.
Explain what happens when a strong acid and a strong base are poured into the same container.
a)
they form separate layers
b)
they mix physically but not chemically
c)
they break apart into separate elements
d)
they react chemically to form a salt
7.
What is the approximate pH of seawater?
a)
2
b)
5
c)
7
d)
9
8.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
9.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
10.
The amount of matter in an object (weight) is called _____________.
a)
Matter
b)
Mass
c)
Volume
d)
Density
11.
The amount of space an object takes up is called _________.
a)
Matter
b)
Mass
c)
Volume
d)
Density
12.
How tightly packed matter is in an object is called __________.
a)
Matter
b)
Mass
c)
Volume
d)
Density
13.
Mass per unit volume is called __________.
a)
Matter
b)
Mass
c)
Volume
d)
Density
14.
Four students make four piles with an equal mass of blocks and cotton balls. Which pile has the greatest volume?
a)
cotton balls
b)
blocks
c)
both piles are equal in volume
15.
What method would be used to determine the density of an object?
a)
see how tightly packed an object is
b)
see if a solution dissolves
c)
see how much space it takes up
d)
see if an object floats
16.
An object with which of the following densities will float on water if the density of water is 1 g/ml?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
17.
Why do ice cubes float in a glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
18.
Veal finds a gold colored rock in a river. It has a mass of 9.65 grams and a volume of 0.5 cm3. What is the density of the rock?
a)
10.15 g/cm3
b)
19.3 g/cm3
c)
9.15 g/cm3
d)
4.825 g/cm3
19.
Mercury is a metal that is liquid at room temperature and has a density of 13.5 g/cm3. Which of these metals would sink below the mercury if dropped into a container of mercury?
a)
gold (density=19.3 g/cm3)
b)
lead (density=11.4 g/cm3)
c)
iron (density=7.9g/cm3)
d)
aluminum (density=2.7g/cm3)
20.
What is the density of a liquid that has a mass of 27g and a volume of 30ml?
a)
0.9 g/ml
b)
3 g/ml
c)
57 g/ml
d)
810 g/ml
21.
What is the density of a substance that has a mass of 30g and a volume of 6 liters?
a)
24 g/l
b)
5 g/l
c)
36 g/l
d)
180 g/l
22.
A piece of copper has a mass of 89g and a volume of 10 cm3. What would be the density of the copper?
a)
0.89 g/cm3
b)
89 g/cm3
c)
8.9 g/cm3
d)
890 g/cm3
23.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
24.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
25.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
26.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight
d)
friction
27.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
28.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
29.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
30.
What does this tool measure?
a)
weight
b)
meters
c)
mass
d)
force
31.
What does this tool measure?
a)
weight
b)
meters
c)
mass
d)
force
32.
What best describes the mass and weight of a person as they move around the universe?
a)
mass and weight changes
b)
Mass and weight stays constant
c)
weight remains constant, mass changes
d)
Mass stays constant, weight changes
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