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WorksheetsREVIEW: Unit 1 (Biology)
Total questions: 65
Worksheet time: 1hrs 5mins
Imagine that you design and conduct an experiment with the hypothesis that adding salt to water makes it boil faster, and you find that to work in your lab. As a scientist you would say...
the results do not support your hypothesis
the results support your hypothesis
you need to redo the experiment
you need to rewrite your hypothesis
Which part of a scientific method is being represented? Based on the results, the tennis ball bounced higher than the golf ball supporting the hypothesis.
research
completing the experiment
reporting the data
communicating the results
Which part of the scientific method is being represented? I am wondering if gummy worms expand quicker in water, milk, juice, or vinegar.
ask a question
research
reporting data
completing the experiment
Which part of the scientific method is represented? I fill four cups with water, milk, juice, and vinegar. Then I put a gummy worm in each and observe.
ask a question
research
reporting the data
completing the experiment
A systematic approach to solving problems and answering questions is called the ___.
scientific method
controlled experiment
conclusion
hypothesis
Commonly conducted to test a hypothesis
variable
science
data
experiment
Factor that is being tested
experiment
data
variable
controlled experiment
The control group does not contain the experimental data, but the experimental group does.
The control group does not contain the experimental variable, but the experimental group does not.
The control group is not tested or measured.
The control group contains more than one experimental variable.
The variable that is measured in the experiment is the ___.
dependent variable
independent variable
control variable
hypothetical variable
The experiment must be repeated numerous times and the results are precise.
The results must be published in a national journal.
The results must be shown in a pie graph.
The results must be only quantitative.
Which variable goes on the y-axis?
Dependent Variable
Demographic Variable
Independent Variable
Control Variable
Which variable goes on the x-axis?
Control Variable
Dependent Variable
Independent Variable
Constants
Francis wonders where his dog is getting through the fence. He found a spot behind a bush where the fence is rotted away. Francis thought, if the fence is rotted away, then that is where my dog is getting through. Francis developed a ___.
hypothesis
constant
control
graph
The scientific method starts when you ___ about something that you observe.
construct a conclusion
do background research
ask a question
construct a hypothesis
A control is ___.
the factor measured
the factor that is being tested
the factor changed
a standard used for comparison
An explanation based on an observation is a(n) ___.
hypothesis
variable
control
inference
Scientific questions should NOT be based on ___.
opinion
fact
reality
truth
The variable that is being tested in an experiment is called the ____ variable.
control
dependent
independent
penguin
The dependent variable is the variable that ____ in response to the independent variable.
stays the same
changes
remains constant
increases
A possible answer to the original scientific question is a(n) ____.
observation
control
hypothesis
inference
Observations should be ___, not guesses or opinions.
factual
assumptions
predictions
hypotheses
This type of experiment tests one factor at a time:
scientific method
independent experiment
controlled experiment
hypothesis
A well-informed proposed solution to a scientific problem or question is called a/an ___.
hypothesis
science
inference
prediction
Recorded observations and measurements are called ___.
experiments
unicorns
variables
data
Which is NOT an example of qualitative data?
the average high daily temperature for the month of July
The purpose of a controlled experiment is to allow a scientist to isolate and test ___.
The main reason that diagrams, tables, and graphs of data are used by scientists is to ___.
If environmental conditions change, then it will effect plant growth.
Two sets of plants are given different amounts of light and water.
Place each plant at least 10 cm away from their light source.
Will a plant grow better in the light or in the dark?
Which variable is the thing you MEASURE in an experiment?
Independent Variable
Dependent Variable
Descriptions without a number are called ___.
Qualitative Data
Conclusions
Quantitative Data
Hypothesis
Descriptions that use numbers are called ___.
Dependent Variable
Independent Variable
Quantitative Data
Qualitative Data
quantitative
Follow all __________ and _________ instructions carefully in the lab.
written/verbal
online/written
verbal/online
singing/dancing
Keep your work area ___________ at the end of the lab.
messy
dirty
neat and clean
disorganized
Do not eat ___________ during the lab.
Takis
pizza
tacos
ANYTHING
Report any accidents to your teacher ______________.
later
immediately
tomorrow
October 13th
Privilege for the next lab is ___________ is lab safety procedures and lab safety rules are broken.
gained
lost
transferred
granted
A ___ is a large molecule that is important for life.
Micromolecule
Polymer
Amino Acid
Macromolecule
Which macromolecule is used as our main source of short-term energy?
fats
nucleic acids
amino acids
glucose
Which of the following are examples of carbohydrates? (Select all that apply.)
Bread
Pasta
Olive Oil
Cheese
Which macromolecule is a source of long-term energy?
Carbohydrates
Proteins
Lipids/Fats
Nucleic Acids
Nucleic acids make up which of the two molecules listed below?
FDA
RNA
DNA
FDR
The one job proteins do not have in the body is ___.
structure for tissues and organs
transport things through cell membranes
speed up chemical reactions
insulation
Bacon is an example of a which macromolecule?
Carbohydrate
Lipid/Fat
Protein
Nucleic Acid
When glucose molecules are connected, they form a ___.
triglyceride
amino acid
polysaccharide
monosaccharide
Proteins are made of monomers called ___.
Waxes, oils, and fats are examples of ___.
All polymers are made up of ___.
The building blocks of the body, hair, and muscles are ___.
The macromolecule that is found in the cell membrane as a bilayer is called a ___.
phospholipid
The most important element that is the backbone of all organic molecules ___.
hydrogen
Glycerol and fatty acids are the monomers of ___.
Which statement is true?
Simple sugars are made of polysaccharides.
Glycerol is made of fatty acids.
RNA molecules are made of nucleotides.
Amino acids are made of proteins.
Plants build the carbohydrate cellulose to makeup their parts like leaves, roots, and stems. What monomer do plants use to build cellulose?
monosaccharides
disaccharides
amino acids
nucleotides
This group includes steroids like cholesterol:
carbohydrate
lipid
protein
nucleic acid
Which shows the correct order of the scientific method?
Ask a question - do background research - form a hypothesis - test hypothesis in an experiment - analyze data - draw conclusions - communicate results
Ask a question - form a hypothesis - do background research - test hypothesis in an experiment - analyze data - draw conclusions - communicate results
Ask a question - do background research - form a hypothesis -analyze data - test hypothesis in an experiment - draw conclusions - communicate results
Do background research - ask a question - form a hypothesis - test hypothesis in an experiment - analyze data - draw conclusions - communicate results
Which statement is correct?
Precision is how close your measurements are to the accepted answer and accuracy is how close your measurements are to each other.
Accuracy is how close your measurements are to the accepted answer and precision is how close your measurements are to each other.
You must be both precise and accurate for your hypothesis to be correct.
The most important thing in an experiment is that your results are accurate.
___ molecules are repelled by water and ___ molecules are attracted to water.
hydrophilic, hydrophobic
hydrophobic, hydrophilic
water soluble, fat soluble
glucose, lipid
Monomers are broken down from polymers during a ___.
dehydration reaction, which releases a water molecule
hydrolysis reaction, which releases a water molecule
dehydration reaction, which uses a water molecule
hydrolysis reaction, which uses a water molecule
Polymers are made from monomers during a ___.
dehydration reaction, which releases a water molecule
hydrolysis reaction, which releases a water molecule
dehydration reaction, which uses a water molecule
hydrolysis reaction, which uses a water molecule
Which shows the correct pairings of macromolecule and polymer?
lipid = triglyceride,
protein = polypeptide
lipid = polypeptide,
protein = triglyceride
lipid = fatty acid,
protein = amino acid
lipid = amino acid,
protein = fatty acid
Which has the correct matches of the graph types and their purpose?
Bar graph = quantities
Pie graph = parts of a whole
Line graph = change over time
Bar graph = change over time
Pie graph = parts of a whole
Line graph = quantities
Bar graph = quantities
Pie graph = change over time
Line graph = parts of a whole
Bar graph = change over time
Pie graph = parts of a whole
Line graph = quantities
