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Earth & Physical Science Test 1 Scientific Method Practice 22/23 Flashcards | StudBud
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Earth & Physical Science Test 1 Scientific Method Practice 22/23
Earth & Physical Science Test 1 Scientific Method Practice 22/23
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Answers
1
What is the mean of the numbers below?
5
6
7
None of these!
2
What is the independent variable in the experiment shown by this graph?
Amount of time bacteria were exposed to UV light
Bacteria color
Watt of UV light used in experiment
Number of mutant bacteria cells
3
What is the dependent variable in the experiment shown by this graph?
Amount of time bacteria were exposed to UV light
Watt of UV light used in experiment
Bacteria color
Number of mutant bacteria cells
4
What is the most important data to collect in this experiment?
The plant weight and number of leaves
The amounts of sunlight and water
The liquid given to each plant and the plant heights
The plant age and species
5
What is the dependent variable?
presence or lack of glass cover over candle
flame stays lit or goes out
type of wax in candle
temperature of flame
6
What is the independent variable?
flame stays lit or goes out
temperature of flame
presence or lack of glass cover over candle
type of wax in candle
7
What is the median of the numbers below?
None of these!
5
7
6
8
Which graph shows a direct relationship?
The graph on the left
Both graphs!
The graph on the right
Neither graph!
9
What is the independent variable in the experiment shown by this graph?
Amount of Dissolved Oxygen
Volume of Water in Pond
Number of Fish Observed
Water Temperature
10
What is the independent variable in this experiment?
The water temperature
The volume of water
The metal temperature
The type of metal
11
What is the dependent variable?
The type of soil
The amount of sunlight
The plant height
The liquid given to each plant
12
How many liters are in 4000 centiliters?
40 L
400 L
0.4 L
4 L
13
What relationship is show by the data in this graph?
Neither direct or inverse relationship
100% Direct Relationship
None of the above
100% Inverse Relationship
14
What is the dependent variable in the experiment shown by this graph?
Depth of Water
Water Temperature
Bubble Size
Bubbles per Minute
15
What is the independent variable in this experiment?
Amount of Water
Amount of Fertilizer
Height of Plant
Amount of Sunlight
16
What should be kept constant in this experiment?
The plant height
The sunlight given to each plant
The number of leaves on each plant
The liquid given to each plants
17
Which graph shows a inverse relationship?
Neither graph!
Both graphs!
The graph on the right
The graph on the left
18
What is the best control group for this experiment?
The plant that recieves soda
The plant that recieves juice
None of the above
The plant that recieves water
19
What is the range of the numbers below?
6
5
None of these!
7
20
What is the most important data to collect in this experiment?
The presence/absence if the flask lid and bacteria growth
The broth volume and temperature
The burner temperature and type of glass
Color and pH of the broth
21
What would make a good dependent variable in this experiment?
Amount of broth in the flask
Whether the flask is closed or open
Amount of bacteria growth in the broth
Final temperature of the broth
22
What is the independent variable in the experiment shown by this graph?
Plant Growth
Plant Number (1-5)
Amount of Water
Type of Plant
23
What should be kept constant in this experiment?
the same type of candle should be used
a glass should cover all candles
the flame should always be lit
the temperature of the candle wick
24
What data is most important in this experiment?
Amount of Fertilizer and Amount of Water
Amount of Soil and Type of Plant
Amount of Fertilizer and Height of Plant
Amount of Water and Amount of Light
25
What should be kept constant in this experiment?
Amount of broth in the flask
Color of the broth over time
Amount of bacteria growth in the broth
Whether the flask is closed or open
26
What is the density of a 60 gram solution with a volume of 45 mL?
2700 g/mL
None of these
0.75 g/mL
1.3 g/mL
27
What is the most important data to collect in this experiment?
The metal color and the water temperature
The metal temperature and the trough volume
The type of metal and the water volume
The type of metal and the metal temperature
28
What is the dependent variable?
The temperature inside each jar
The size of the glass jar
The objects inside the glass jar
The state of the objects in the jar (dead/alive, burning/not)
29
What should be kept constant in this experiment?
Amount of Water and Fertilizer
Amount of Sunlight and Plant Height
Amount of Water and Sunlight
Plant Height and Fertilizer Amount
30
What is the median water temperature using the data below?
12
19.8
14
None of these
31
What would be a good dependent variable in this experiment?
Amount of Sunlight
Amount of Fertilizer
Amount of Water
Height of Plant
32
What is the dependent variable in this experiment?
The water temperature
The metal temperature
The type of metal
The volume of water
33
What would be a good control group in this experiment?
the type of candle
the flame temperature
the amount of smoke inside the glass
the uncovered candle
34
What would be a good dependent variable in this experiment?
The soil color
Amount of water that drains through the soil
The water temperature
The density of the soil
35
What is the independent variable in this experiment?
The soil temperature
Amount of water that drains through the soil
The type of soil
The soil color
36
What relationship is show by the data in this graph?
None of the above
100% Inverse Relatioship
Neither a direct or inverse relationship
100% Direct Relationship
37
What would be a good control group in this experiment?
Compare each type of soil to potting soil
The soil color
The soil temperature
The amount of water added to each soil type
38
What is the most important data to collect in this experiment?
The state of the objects in the jar and the objects in the jar
The size of the glass jar & number of objects in each jar
Object in jar & jar temperature
The temperature inside each jar & jar volume
39
What is a good control group in this experiment?
The closed flask contain broth
Vegetable broth instead of chicken broth
Shape of the flask
Color of the broth over time
40
What is the mean or average water temperature using the data below?
None of these
14
10.8
12
41
What is the dependent variable in the experiment shown by this graph?
Number of Fish Observed
Volume of Water in Pond
Water Temperature
Amount of Dissolved Oxygen
42
What is the independent variable?
The state of the objects in the jar (dead/alive, burning/not)
The temperature inside each jar
The objects inside the glass jar
The size of the glass jar
43
What should be kept constant in this experiment?
Size of metal bars
None of the above
The type of metal
The water temperature
44
What should be kept constant in this experiment?
Amount of water that drains through the soil
The soil color
The amount of water added to each soil type
The type of soil
45
What is the rane of the waterr temperature using the data below?
14
19.8
12
None of these
46
What relationship is shown by the data below?
direct relationship
None of these
Both a direct & inverse relationship
inverse relationship
47
What would make a good control group in this experiment?
A shorter plant
A plant with no fertilizer and no water
A plant with no soil
A plant with no fertilizer
48
How many decigrams are in 500 milligrams?
50 dg
0.5 dg
500 dg
5 dg
49
What would make a good title for this graph?
The Effect of Dissovled Oxygen on Fish Numbers
Fish and Oxygen
Oxygen and Fish
The Effect of Fish Numbers on Dissolved Oxygen
50
What is the volume of the box below?
19 m3
168 m3
12 m3
144 m3
51
What is the dependent variable in the experiment shown by this graph?
Amount of Water
Plant Number (1-5)
Type of Plant
Plant Growth
52
What is the independent variable in this experiment?
Amount of bacteria growth in the broth
Amount of broth in the flask
Whether the flask is closed or open
Beginning temperature of the broth
53
What is the volume of the box below?
48 cm3
24 cm3
6 cm3
12 cm3
54
What is the independent variable?
The amount of sunlight
The liquid given to each plant
The plant height
The type of soil
55
What is the independent variable in the experiment shown by this graph?
Bubble Size
Depth of Water
Water Temperature
Bubbles per Minute
56
How many centigrams are in 0.4 kilograms?
400,000 kg
40,000 kg
400 kg
4,000 kg
57
What relationship is show by the data in this graph?
Inverse Relationship
Direct Relationship
None of the above
Neither direct or inverse relationship
58
What is the most important data to collect in this experiment?
The amount of soil and the amount of water drained out
The water temperature and the soil density
The type of soil and the water drained out
The soil temperature and the soil color
59
What should be kept constant in this experiment?
The state of the objects in the jar (dead/alive, burning/not)
The objects inside the glass jar
The size of the glass jar
The temperature inside each jar
