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Scientific Method and Unit Conversions Review Flashcards | StudBud
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Scientific Method and Unit Conversions Review
Scientific Method and Unit Conversions Review
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1
What is the independent variable?
Ability to move the block
Ability to get food
Exposure to microwaves
Number of mice
2
What is the dependent variable?
Exposure to microwaves
Ability to get food
Ability to move the block
Age of the mice
3
What is the hypothesis?
Microwaves have no effect on mice
If mice are exposed to microwaves then they will be stronger
Microwaves make mice strong
4
14 km = ______ m
1.4
140
14,000
1400
5
327 dL = ______ hL
3270
32.7
3.27
.327
6
10 oz = ______ g (28 g = 1 oz)
280
.28
2.8
28
7
.09 kg = ______ g
.9
9
900
90
8
65 kg = ______ pounds (1 kg = 2.2 lbs)
30
143.3
220
6.5
9
10,000 mg = __________ g
100
1
0.1
10
10
I want to test the effect of eating breakfast on student grades. What is my dependent variable?
student grades
the students who eat breakfast
eating breakfast
the students who don't eat breakfast
11
520 cm = _____ mm
5200
0.52
5.2
52
12
I want to test the effect of eating breakfast on student grades. What could be my hypothesis?
If students eat breakfast, then their grades will improve.
Eating breakfast makes grades drop
Eating breakfast has no effect on grades
Eating breakfast improves student grades
13
30 mL = _______ tsp (1 tsp = 5 mL)
300
6
50
150
14
2 L = _______ gal (1 L = .264 gal)
2.64
.528
7.6
26
15
What is the control group?
The food
Mice exposed to microwaves
Mice not exposed to microwaves
The block
16
What is a dependent variable?
The variable that is ignored
The variable that is manipulated
The variable that is measured
The variable that is kept the same
17
50 miles = ______ km (1 km = 0.62 mi)
80.5
31
.5
500
18
What is it called when an experiment is designed to get a specific result?
bias
constant
control
hypothesis
19
What is an independent variable?
The manipulated variable
The variable that is ignored
The variable that is kept the same
The measured variable
20
Fertilizer makes plants grow taller. In this statement, what is the experimental group?
plant height
plants that get fertilizer
amount of sunlight
plants that get no fertilizer
