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Biology SOL Review #1 Flashcards | StudBud
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Biology SOL Review #1
Biology SOL Review #1
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#scientific method #biochemistry
Flashcards
37 cards
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Practice quiz
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Questions
37
Answers
1
What is the independent variable?
amount of light
soil pH
type of plant
amount of soil
2
For the following experiment, what is the control?
pH 12
none of the above
pH 3
pH 7
3
What’s an example of Quantitative data?
The Road took 20 weeks to build
The worm was very squishy
The wall is blue
4
The scientific method begins with what?
a set of data
a hypothesis
an observation
an experiment
5
What is the range of Acid on the pH scale?
0-6
1-14
8-14
4-9
6
If the clothing is dark, then it will absorb more heat. What is the independent variable?
the amount of heat absorbed
the color of the clothing
the temperature
time
7
The safety symbol to the right warns against which hazard?
poison
breakage
fumes
fire
8
Quantitative data
describes things
data that is continually collected such as weather data
collecting data from a distance like a satellite
describes numbers
9
What is water's pH?
3
12
1
7
10
Which is an independent variable?
the effect
the cause
11
Spontaneous generation
a generation of organisms that appear out of nowhere
organisms that can reproduce instantly
the idea that living things can arise from nonliving sources
a creature that arises from a rock in less than a second
12
What is a theory
assumption
and idea meant to explain something
set of hypothesis that have been tested&confirmed many times
justification
13
The gif to the right demonstrates the proper technique used to smell chemicals called
sniffing
inhaling
emitting
wafting
14
There is a sailboat in the water (this is an...)
observation
inference
15
A scientist studies the effect pH has on plant growth. What is the dependent variable?
pH
Plant color
Number of flowers
Plant height
16
Water's high specific heat
None of these are correct.
causes water to change temperature very slowly, creating stable temps.
allows animals to stay cool by sweating.
allows water to climb up structures.
17
If it rains, leaves will grow on the tree (this is an...)
observation
inference
18
Properties of water are a result of.....?
Covalent Bonds
Hydrogen Bonding
Hydrogen
19
Joe wanted to test the effect of temperature on battery life. What is the independent variable?
The life of the battery
The temperature
The amount of time in the cold
The battery
20
With water, adhesion is:
The attraction of oxygen molecules
the attraction of water molecules to other substances
The attraction of water molecules to each other
The attraction of hydrogen to oxygen
21
Which of these is NOT a step to the scientific method?
Form a Hypothesis
Make Observation
Form an opinion
Ask Question
22
Jack conducted an experiment to see if bright light made his pupils dilate. Indep. variable?
none of the above
experiment
bright light
pupil dilation
23
The germ theory of disease states that infections diseases are caused by...
microorganisms
toxins
chemicals
heredity
24
Identify the qualitative data shown for the unknown substance.
hardness of 6-6.5
gold color
weighs 20.5 g
about 4 cm3
25
Water strider to water. Cohesion at the surface of the water is called
condensation
surfactant
surface tension
evaporation
26
What is the chemical formula for water?
H2O
OH2
HO2
O2H
27
On the graph below what is the independent variable?
amount of caffeine
type of heart
time of heart beats
amount of heart beats
28
The tree branch is broken. (this is an...)
inference
observation
29
What was encouraged by the discovery of germ theory?
staying hydrated
a healthier diet
proper hygiene and sanitation
30
Which type of fat comes from animals?
saturated fat
unsaturated fat
31
For water, capillary action:
allows water to move against gravity in a structure, such as a tree trunk
allows water to forms hydrogen bonds with other substances
allows it to obtain large quantities of energy before increasing in temp
creates hydrogen bonds with water molecules
32
What is cohesion for water?
The ability of water to stick to other substances
The fact that water has a positive and negative side.
The ability of water to defy gravity.
The ability of water to stick to other water molecules
33
What range would a base be on the pH scale?
7-14
1-7
1-14
8-14
34
How do scientists test a hypothesis?
by stealing others' results
by conducting an experiment
non eof the above
by making up results
35
In a lab, what is the last thing you do before leaving the classroom?
tie your long hair back
wash your hands
put your goggles away
clean your work bench
36
How is water lost from leaves during Transpiration
It evaporates through open stomata
Through osmosis
It diffuses out
37
Water Is polar
True
False
