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Sci method and lab equipment practice

Total questions: 150

Worksheet time: 3hrs 54mins

Name
Class
Date
1.
a)

beaker

b)

graduated cylinder

c)

Erlenmeyer flask

d)

test tube

2.
a)

evaporating dish

b)

watch glass

c)

mortar and pestle

d)

funnel

3.
a)

evaporation

b)

watch glass

c)

mortar and pestle

d)

funnel

4.
a)

wire gauze

b)

Bunsen burner

c)

thermometer

d)

utility clamp

5.
a)

wire gauze

b)

Bunsen burner

c)

thermometer

d)

utility clamp

6.
a)

wire gauze

b)

Bunsen burner

c)

thermometer

d)

utility clamp

7.
a)

ring stand

b)

ring clamp

c)

test tube rack

d)

test tube holder

8.
a)

ring stand

b)

ring clamp

c)

test tube rack

d)

test tube holder

9.
a)

evaporating dish

b)

watch glass

c)

mortar and pestle

d)

funnel

10.
a)

scoopula

b)

dropper

c)

crucible tongs

d)

glassware tongs

11.
a)

evaporating dish

b)

watch glass

c)

mortar and pestle

d)

funnel

12.
a)

wire gauze

b)

Bunsen burner

c)

thermometer

d)

utility clamp

13.
a)

ring stand

b)

ring clamp

c)

test tube rack

d)

test tube holder

14.
a)

beaker

b)

graduated cylinder

c)

Erlenmeyer flask

d)

test tube

15.
a)

ring stand

b)

ring clamp

c)

test tube rack

d)

test tube holder

16.
a)

scoopula

b)

dropper

c)

crucible tongs

d)

glassware tongs

17.
a)

beaker

b)

graduated cylinder

c)

Erlenmeyer flask

d)

test tube

18.
a)

scoopula

b)

dropper

c)

crucible tongs

d)

glassware tongs

19.
a)

beaker

b)

graduated cylinder

c)

Erlenmeyer flask

d)

test tube

20.
a)

scoopula

b)

dropper

c)

crucible tongs

d)

glassware tongs

21.
How should you pick up a piece of hot glassware?
a)
with bare hands
b)
heat resistant gloves
c)
with the sleeve of your shirt
d)
with a spatula
22.
How should you hold a test tube containing a chemical?
a)
pointed away from your face
b)
pointed at your eye
c)
held right up to your nose
d)
very close to your partners face
23.
Which has specific markings for measurement and is used to accurately measure liquid volume?
a)
Test Tubes
b)
Beakers
c)
ruler
d)
graduated cylinders
24.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
25.
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube
a)
Amount of water 
b)
Height of Ice cube
c)
Temperature the ice cube was at its highest height 
d)
Size of the ice cube
26.
Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify the DEPENDENT variable
-3mm holes
-Distant water traveled out of carton
-Different heights of the holes in the container
-Ice water from Iceland
a)
3mm holes
b)
Distant water traveled out of carton
c)
Different heights of the holes in the container 
d)
Ice water from Iceland
27.
The following statement is a hypothesis formed about marsh grass: 
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above? 
a)
Height of grass
b)
Amount of nitrogen
c)
Essential nutrient
d)
Amount of growth
28.
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
a)
the size of the baby alligators
b)
the gender of the baby alligators
c)
the incubator
d)
the temperature
29.
Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on colored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the dependent variable?
a)
The customers 
b)
The crabby patty
c)
The colored buns
d)
The number of customers
30.
Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on colored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the independent variable?
a)
The customers 
b)
The crabby patty
c)
The colored buns
d)
The number of customers
31.
There are ___ meters in 25 kilometers (km)
a)
250 m
b)
2500 m
c)
25000 m
d)
.025 m
32.
There are ___ millimeters(mm) in 2.7 centimeters (cm)
a)
270 mm
b)
.27 mm
c)
27 mm
d)
.027 mm
33.
Convert 0.25 m to mm
a)
25
b)
2.5
c)
250
d)
0.025
34.
convert 30 cm to m
a)
300
b)
3
c)
0.03
d)
0.3 m
35.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
36.
convert 650 m to km
a)
6.5
b)
0.65
c)
65
d)
0.065
37.
convert 12 mm to m
a)
0.12
b)
0.012
c)
1.2
d)
0.0012
38.
convert 0.08 km to m
a)
80
b)
8
c)
0.8
d)
800
39.
convert 0.7 cm to m
a)
70
b)
0.07
c)
0.007
d)
7
40.
convert 93.2 cm to km
a)
0.00932
b)
0.0932
c)
0.932
d)
0.000 932
41.
How many millimeters are in 5 centimeters?
a)
5
b)
50
c)
500
d)
5,000
42.
7,000 milligrams = _____ grams
a)
7
b)
70
c)
700
d)
70,000
43.
345mg=________g
a)
34.5
b)
.345
44.
8.4cm=_______m
a)
.084
b)
.84
45.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
46.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
47.
Convert 300 cm to m:
a)
3 m
b)
30 m
c)
0.3 m
d)
0.03 m
48.
2.5 kilgrams = _____ grams
a)
2500 g
b)
250 g
c)
25,000 g
d)
25 g
49.
Which is more 4 kg or 3,000 g?
a)
4 kg
b)
3,000 g
50.
At field day students were competing in a relay race with a total distance of 750 meters.  There were 3 students on each relay team. How many meters did each student run? 
a)
2250 meters 
b)
750 meters
c)
250 meters
d)
2150 meters
51.
If a swimmer swam 500 meters in a race, how many kilometers did they swim? 
a)
1 km
b)
100 km
c)
1/2 km
d)
1/3 km 
52.
How many meters are in 4 kilometers?
a)
400
b)
4,000
c)
40,000
d)
4
53.
If a pencil was 7 centimeters long, how many millimeters long would it be?
a)
70
b)
700
c)
7,000
d)
70,000
54.
If an eraser is 25 millimeters long, how many centimeters long is it?
a)
2
b)
2.5
c)
25
d)
250
55.
Convert 12 km to m
a)
120 m
b)
1,200 m
c)
12,000 m
d)
120,000 m
56.
Convert 6570 cm to km
a)
.06570 km
b)
.6570 km
c)
6.570 km
d)
657.0 km
57.
Convert 4 km to mm
a)
400 mm
b)
.004 mm
c)
400,000
d)
4,000,000
58.
Convert 65 mg to g
a)
65 g
b)
.65 g
c)
.065 g
d)
.0065 g
59.
2 meters = ____ cm
a)
20
b)
200
c)
210
d)
2000
60.
Convert into 3.46 mm to meters.
a)
3.46 meters
b)
0.346 meters
c)
0.0346 meters
d)
0.00346 meters
61.
Convert into kilometers.
452.159 meters.
Round to the nearest thousandth.
a)
.452
b)
4.522
c)
452159.000
62.
949 m = _____mm
a)
0.949
b)
9,490
c)
949,000
d)
0.000949
63.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
64.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
65.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
66.
What is the length of the ribbon?
a)
9 cm
b)
2 cm
c)
7 cm
d)
11 cm 
67.
What is the length of the key?
a)
2 cm
b)
0 cm
c)
4 cm
d)
1 cm
68.
What is the length of the eraser?
a)
3 cm 
b)
2 cm 
c)
5 cm
d)
7 cm
69.
What is the length of the comb?
a)
8 cm 
b)
3 cm 
c)
5 cm 
d)
7 cm 
70.
What is the length of the straw?
a)
8 cm 
b)
0 cm 
c)
7 cm 
d)
1 cm 
71.
How many seconds are in 2.46 minutes?
a)
147.6 s
b)
246 s
c)
166 s
d)
2460 s
72.
How many seconds are in 0.56 hours?
a)
2016 s
b)
56 s
c)
3360 s
d)
5600 s
73.
How many m2 are in 14569 cm2?
a)
1.4569 m2
b)
145.69 m2
c)
14.569 m2
d)
1456.9 m2
74.
How many cm2 are in 2.37 m2?
a)
23700 cm2
b)
23.7 cm2
c)
237 cm2
d)
2370 cm2
75.
To test if color affects what children choose for lunch, mashed potatoes were dyed with food color in the following colors:  red, green and blue and placed in identical bowls.  A fourth bowl contained natural mashed potatoes. The potatoes were served at an elementary school. Identify the dependent variable.  
a)
Which color was chosen the most.
b)
The red, green and blue potatoes.
c)
The natural potatoes.
d)
The bowls.
76.
To test if color affects what children choose for lunch, mashed potatoes were dyed with food color in the following colors:  red, green and blue and placed in identical bowls.  A fourth bowl contained natural mashed potatoes. The potatoes were served at an elementary school. Identify the independent variable.
a)
red, green and blue potatoes
b)
natural potatoes
c)
bowls
d)
How many of each color were chosen.
77.
To test if color affects what children choose for lunch mashed potatoes were dyed with food color in the following colors:  red, green and blue and placed in identical bowls.  A fourth bowl contained natural mashed potatoes. The potatoes were served at an elementary school. Identify the control variable.
a)
natural potatoes
b)
red, green, blue potatoes
c)
The same bowls.
d)
Which potatoes were chosen most often.
78.
To test if color affects what children choose for lunch mashed potatoes were dyed with food color in the following colors:  red, green and blue and placed in identical bowls.  A fourth bowl contained natural mashed potatoes. The potatoes were served at an elementary school. Identify the constants.
a)
The same flavor, smell and bowls.
b)
Natural potatoes, because they are best.
c)
The different colors because they are bright.
d)
The dye.
79.
Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
What was the independent variable?
a)
The Song
b)
The Reed
c)
The Applause
80.
Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
What was the dependent variable?
a)
The Song
b)
The Reed
c)
The Applause
81.
Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
What was controlled?
a)
The Song
b)
The Reed
c)
The Applause
82.
A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
83.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
84.
Explaining the color of a chemical would be what kind of observation?
a)
Qualitative 
b)
Quanitative
85.
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube
a)
Amount of water 
b)
Height of Ice cube
c)
Temperature the ice cube was at its highest height 
d)
Size of the ice cube
86.
The following statement is a hypothesis formed about marsh grass: 
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above? 
a)
Height of grass
b)
Amount of nitrogen
c)
Essential nutrient
d)
Amount of growth
87.

In the baggie science experiment, phenol red was the ___________to produce a color change.

a)

independent variable

b)

control

c)

dependent variable

d)

was not used in this experiment

88.

Calcium chloride produced an exothermic change in the baggie science lab. Which of the following would be the dependent variable?

a)

amount of calcium chloride used

b)

temperature increasing

c)

temperature decreasing

d)

cannot be determined

e)

the color change

89.

Which would be the best hypothesis from the Baggie Lab?

a)

If more sodium bicarbonate (NaHCO3) is added to 15 mL of water, then the color would change from red to yellow.

b)

If more sodium bicarbonate(NaHCO3) is added to 2 scoops of CaCl2 and 3 pipets of water, 1 pipet of phenol red, then the more CO2 would be produced.

c)

The more phenol red, the colder the temperature.

d)

If more CaCl2 is added to more phenol red and more water, then the more CO2 produced.

90.
Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
91.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
92.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
93.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
94.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
95.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
d)
Color of the plant's leaves
96.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Who set up the experiment (Ms. S, etc)
97.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
98.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
d)
Location the feeders are put in.
99.
The part of the experiment that remains the same for the control and experimental group.
a)
constants
b)
control
c)
independent
d)
dependent
100.
Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise
d = the distance Sarah walks

Which of the variables is dependent?
a)
m
b)
d
101.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
102.
The part of the experiment that is manipulated by the scientist.
a)
independent
b)
dependent
c)
control
d)
constant
103.
The part of the experiment that is used for comparison
a)
control
b)
quantitative
c)
data
d)
observation
104.
The data collected supports which of the following questions that Squidward could have tested?
a)
Which song does the audience prefer?
b)
Which instrument does the audience like best?
c)
Which reed length creates the best sound?
d)
How do applause affect performance?
105.
Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on colored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the control?
a)
The customers 
b)
The crabby patty
c)
The colored buns
d)
The number of customers
106.
Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on colored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the independent variable?
a)
The customers 
b)
The crabby patty
c)
The colored buns
d)
The number of customers
107.
Mr. Krabbs is trying a new money making scheme.  On Tuesdays he is selling his crabby patties on colored buns.  He usually averages 25 customers per day.  On Tuesdays he now averages 27 customers. 
What was the dependent variable?
a)
The customers 
b)
The crabby patty
c)
The colored buns
d)
The number of customers
108.
Which of the following is a possible conclusion?
a)
Customers liked blue patties best.
b)
The colored patties did not increase sales.
c)
The colored patties increased sales.
d)
Will colored patties improve sales?
109.
A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
110.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
111.
When writing you hypothesis, what information follows IF?
a)
dependent variable
b)
how you know it will happen
c)
independent variable
d)
anything 
112.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
113.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?
a)
Type of plant, amount of music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
114.
Which of the following is the best hypothesis? 
a)
Orange fish eat the most fish food when compared to all other colors of fish. 
b)
If you build it, then they will come. 
c)
Global warming was made up by Matt Deike to alter the 2016 election. 
d)
If the student practices their solo with 90% accuracy, then  she will receive a 1 rating at contest. 
115.
Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
116.
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
117.
What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?
a)
the paper used
b)
the type of paper airplane
c)
the distance of each plane's flight
d)
how hard the plane is thrown
118.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
119.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
120.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
d)
Color of the plant's leaves
121.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Who set up the experiment (Ms. S, etc)
122.
Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
123.
Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree.
What is the dependent variable?
a)
Length of the birdfeeders
b)
Amount of time feeders are outside
c)
Amount of seed eaten
d)
Location the feeders are put in.
124.
The part of the experiment that remains the same for the control and experimental group.
a)
constants
b)
control
c)
independent
d)
dependent
125.
Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise
d = the distance Sarah walks

Which of the variables is dependent?
a)
m
b)
d
126.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
127.
Explaining the color of a chemical would be what kind of observation?
a)
Qualitative 
b)
Quanitative
128.
Which of the following would be considered quantitative data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
129.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
130.
On a graph, which axis shows the independent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
131.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
132.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
133.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
134.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
135.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
136.
What units are used to measure mass?
a)
g
b)
cm3
c)
g/cm3
d)
cm3/g
137.
An object should float in a liquid if it is 
a)
Denser than the liquid 
b)
Less dense than the liquid
c)
Lighter than metal
d)
 Shaped like a ball 
138.
Archimedes used density to discover if the crown of gold was real because
a)
Substances have their own unique densities
b)
Substances can change densities depending on their size
c)
Substances can change densities depending on their mass
d)
Substances can change densities depending on their volume
139.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
140.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
141.

There is a bad odor coming from the test tube.

a)

qualitative

b)

quantitative

142.
Dolphins have smooth skin.
a)
qualitative
b)
quantitative
143.
Dolphin colors range from gray to white.
a)
qualitative
b)
quantitative 
144.

The mass of the chocolate cake is 250 g.

a)

qualitative

b)

quantitative

145.

The leaf is 5 mm wide.

a)

qualitative

b)

quantitative

146.

The largest ever recorded snowflake was 38 cm wide.

a)

Qualitative Observation

b)

Quantitative Observation

c)

Inference

d)

None of the other choices

147.

Snow crystals have six sides.

a)

Qualitative Observation

b)

Quantitative Observation

c)

Inference

d)

None of the other choices

148.

The kids ran back into cabin number 518.

a)

Qualitative Observation

b)

Quantitative Observation

c)

Inference

d)

None of the other choices

149.

Scientists observed that pigeons were able to find their way home on cloudy days.

a)

Qualitative Observation

b)

Quantitative Observation

c)

None of the other choices

150.

(a)   observations are the kind of observations are which are made using tools such as ​ (b)   , balances and thermometers. They will usually include a ​ (c)   . ​ (d)   observations are the type of observations which are made using the five ​ (e)   .

Choose from the below words
Quantitative
rulers
number
Qualitative
senses
smells