stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Biology 1 Unit 1A The Scientific Method Flashcards | StudBud
Explore
/
Biology 1 Unit 1A The Scientific Method
Biology 1 Unit 1A The Scientific Method
40 terms
·
StudBud Administration
·
262 plays
Imported from external platform
Flashcards
40 cards
F
Practice quiz
P
Host live
L
Questions
40
Answers
1
Convert 6,010 mg to _______g. *KHD___DCM
6.01g
6,010,000g
60.1g
601g
2
Which unit of measure is not used in the metric system?
millimeters
inches
centimeters
grams
3
Which step of the scientific method uses controlled conditions to test variables and follows steps?
Experiment
Make observations
Data analysis
Asks questions
4
A scientist tests fertilizer. Plant A gets 5g, Plant B 10g, Plant C no fertilizer. Which is the control group?
Plant C
Plant B
Plant A
There is no control group
5
Which type of graph would best show data from an experiment that collected plant growth data collected over time?
pie
line
pictograph
bar
6
In an experiment, the factor that we measure is called the
independent variable.
control variable.
experimental variable.
dependent variable.
7
A control group is necessary in many experiments, because it
it allows scientists to collect less data.
it allows scientists to use inferences.
allows scientists to compare experimental results.
it gives scientists more variables to test.
8
Record the mass in grams.
84.5g
480.5g
485g
845g
9
Which creek had the highest dissolved oxygen level?
Clackamas
Sandy
Beaver
Johnson
10
How many tadpoles where in the pond in 1991?
800
1200
400
1600
11
What do scientists use the help them identify trends and patterns in data?
Graphs
Hypothesis
Predictions
Metric System
12
Using the line graph below, identify the independent variable
Island
Number of Months
Population
Number of Deer
13
Karen wants to examine pond water for microorganisms. Which lab equipment could she use to see small organisms?
microscope
graduated cylinder
magnifying lens
beaker
14
In a good experiment, how many experimental variables should you test?
4
3
As many as possible
1
15
Identify the quantitative data:
opaque liquid
female
6.7cm
dark green leaf
16
In the metric system, a unit of mass is the:
kilometer
kelvin.
liter.
gram.
17
A series of steps followed to solve problems is known as
standard procedures.
a theory.
the experimental guidelines.
the scientific method.
18
The variable that is changed in an experiment is the ____.
constant
dependent
independent
control
19
An experiment tests how pulse rates change as length of time exercising increases. Identify the dependent variable.
Length of time exercising
Intensity of exercise
Pulse rate
Type of exercise
20
Which of the following is NOT a step of the scientific method?
state conclusion
ask question
scientific law
form hypothesis
21
To use your senses to gather quantitative or qualitative information:
stating a conclusion.
forming a hypothesis.
making an observation.
performing data analysis.
22
Record the measurement below for the cm ruler
46.7cm
0.0467cm
460.07mm
47.7cm
23
Which pollutant is entering the oceans the most?
air pollutants
farm runoff
litter
sewage
24
The metric unit of volume is the:
Kelvin
meter.
liter.
gram.
25
A factor in an experiment that can change is a(n)____.
variable
control
observation
hypothesis
26
Which animal does Steve's pet shop have the least of?
Bugs
Fish
Rabbits
Dogs
27
Record the measurement for the graduated cylinder below.
5mL
10mL
8mL
15mL
28
If you you graph the data in the chart, which type of graph would be best?
Line
Histogram
Bar
Pie
29
A scientist studies how long it takes parachutes of different sizes to fall to the ground. The manipulated variable is
the time it takes the parachute to drop.
the size of the object carried by the parachute.
the height from which the parachute is dropped.
the size of the parachute.
30
Convert 7kL to _______daL. *KHD__DCM
70daL
0.7daL
7,000daL
700daL
31
When scientists share their findings with other scientists, they are
communicating results.
stating conclusions.
forming hypothesis.
making observations.
32
Which of the following should NOT be included in a scientific hypothesis?
if, then, because statement
identifies variables
identifies which kind of data to collect
experimental conclusion
33
Hypothesis: "If photosynthesis happens in shallow water, then bubbles will decrease with depth." Correct/incorrect?
Incorrect, photosynthesis (bubbles) increase with depth
There is no change in bubbles with depth
Correct, photosynthesis decreased with depth
Incorrect because photosynthesis remained constant
34
Water temperatures were measured in a creek. What conclusions could be logically drawn from this data?
There's no relationship between the season and water temps in the creek.
Water temperatures were coldest in November.
Water temperatures remain constant year round.
There's a relationship between the season and the water temps in the creek.
35
Using the line graph below, identify the dependent variable:
Population
World
Year
Billion
36
What was the number of hare in 1910?
19,000
50,000
20,000
35,000
37
The tentative answer to a scientific question is a (an) _________.
observation
hypothesis
conclusion
observation
38
A scientist studies tail length in birds to test the number of offspring produced. Which is a good hypothesis?
If birds with long tails have offspring, they will have long tails too
I think birds with long tails will have more offspring
Birds with short tails have fewer offspring
If birds have longer tails, then they will produce more offspring.
39
When you decide whether or not the data supports the original hypothesis, you are
drawing conclusions.
making observations.
asking questions.
forming a hypothesis.
40
What are the metric system pre-fixes in order?
HdBdCMK
KHdDBMC
KHDBDCM
KDHBDMC
