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Physical Science Chapter 1 Flashcards | StudBud
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Physical Science Chapter 1
Physical Science Chapter 1
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#science #advocado #sigfig
Flashcards
25 cards
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Questions
25
Answers
1
What the scientist measures
independent variable
constant
dependent variable
control group
2
In an experiment to test which brand of paper towel will absorb the most water the dependent variable is
size of paper towel
time to absorb
amount of water absorbed
type of paper towel
3
What is the last step to the scientific method?
Analyze Data
Communicate Results
Draw conclusions
Do Research
4
How many meters are in one 1 kilometer
1000
1
0.1
10
5
What are the three main branches of science?
Executive, Legislative, and Judicial
Biological, Earth, and Ecology
Earth, biological, physical
Atomic, Life, and Earth Science
6
How tall are most students?
less than 58 inches
64-68 inches
60-64 inches
More than 72 inches
7
Convert: 37 in = ________cm 2.54 cm = 1 in
38.9 in
15 cm
93.98 cm
14.57 cm
8
In what year did the most students participate in sports?
2000
2001
2002
2003
9
A hypothesis must be
accurate
able to make predictions
testable
true
10
How many students are more than 72 inches tall?
1
7
0
4
11
In an experiment to test which brand of paper towel will absorb the most water a constant should be
amount of water absorbed
size of towel
type of liquid
type of towel
12
How does the amount of fertilizer affect the number of peppers produced? What is the IV?
kind of fertilizer
amount of fertilizer
height of plant
number of peppers
13
Do the following conversion. 42 g to ____kg 1 kg = 1000 g
42000 kg
4.2 kg
0.042 g
0.042 kg
14
What is the SI base unit for mass?
liter
pound
meter
gram
15
What is a scientific theory?
reasoned explanation tested by many observations/experiments
a guess supported by research
An educated guess
a summary of many experimental results and obsevations
16
Do the following conversion 15 mi to ___ km 1.61 km = 1 mi
24 mi
9.3 km
9.3 mi
24 km
17
In what year did the least number of girls play sports?
2001
2000
2002
2003
18
Tells what happens, cannot be changed
theory
law
constant
hypothesis
19
What is this: I predict that Viva will absorb the most water.
Theory
Hypothesis
Conclusion
Law
20
In an experiment to test which brand of paper towel will absorb the most water the independent variable is
unit of measurement
brand of paper towels
size of towel
amount of water
21
The variable that the scientist changes on purpose.
constant
control
independent
dependent
22
How does the amount of fertilizer affect the number of peppers produced? What is the DV?
number of peppers
amount of fertilizer
height of plant
kind of fertilizer
23
What is the first step in the scientific method?
test the hypothesis
analyze data
form a hypothesis
make and observation
24
tells why things happen, very well tested but can be changed
constant
theory
hypothesis
law
25
Which of the following is a metric unit for mass?
ounces
milligrams
pounds
liters
