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WorksheetsHonors Bio Ch1 Practice
Total questions: 20
Worksheet time: 10mins
How is this statement incorrect? "My theory is that if we test the strength of different leaves then the sugar maple will be the strongest because it has adapted to sustain more harsh conditions."
it is missing a because statement
this is a hypothesis not a theory. it hasn't been supported by large amounts of evidence or studied by the scientific community.
this theory has all of the necessary elements. nothing is incorrect about this.
all of these
What is wrong with this statement? "The theory of relativity has been proven correct by a vast abundance of supporting evidence."
theories can't be "proven", but can be "supported"
there is almost no evidence for this theory
the term "hypothesis" should be used instead of the word "theory"
nothing is wrong with this statement
All of these would be scientifically testable EXCEPT
tracking rates of growth and development
measurable physical characteristics
supernatural occurrences
none of these are scientifically testable
which kind of graph is best for displaying relationships? example: Carmen tracks her growth in inches each month.
line graph
bar graph
pie chart
all of these would work equally well
The independent variable is found on the _____ axis
x
y
sometimes x and sometimes y
none of these
What SHOULD the label be for the dependent variable on this graph?
time
level of comfort
Which is NOT one of the base units used to measure things in a science classroom?
meter
gram
liter
these are the three base units used to measure things scientifically. they will have different prefixes, but the base remains unchanged
Marsha wants to conduct an experiment to determine the effects of diet and exercise on athletic performance. She decides that the experiment group will eat a well balanced diet and exercise 2 hours per day and the control group will not eat only fast food and not exercise. What is one major problem with her proposal?
she has too many independent variables. she won't know if the diet or the exercise is contributing more to the athletic performance she plans on measuring
she doesn't have a control group at all
athletic performance is not able to be a dependent variable because it cannot be measured scientifically
all of these are equally problematic. she should just start over
benedict's solution tests for the presence of glucose. if a greenish-yellow color is observed then the substance tests positive for glucose. this data is
quantitative
qualitative
which is NOT part of the scientific method
observation
hypothesis
conclusion
all of these are part of the scientific method
Varsha is setting up an experiment to test if the hours that a student spends on their phone has any impact on their overall GPA in high school. What is the INDEPENDENT variable in her proposed experiment?
hours spent on phone
overall GPA
the classes that each student is taking
the grade that each student is in
A pharmaceutical company claims that their new drug increases both short and long term memory in teenagers. The company has a group of 100 student volunteers and gives the drug to a group of 50 students. The other 50 students do not receive the drug. All 100 students are then given the same memory test at the end of the study. What is the control group in this experiment?
the 50 students not receiving the drug
the 50 students receiving the drug
the type of memory test being administered
the diet, exercise, and age of each of the students
Juan wants to test a pre-workout that claims to increase muscle mass by 15% when used daily. When setting up an experiment to test the claims of this new pre-workout what should his dependent variable be?
muscle mass gained
pre-workout vs. no pre-workout
the diet that each subject is eating
the types of workouts that each subject is doing during the training session
What is the dependent variable on this graph?
final length (mm)
type of food
the effect of type of food on final length
none of these
Which type of graph would be best to graph "number of student birthdays per month of the year"?
line graph
double line graph
bar graph
double bar graph
Give this graph a more scientific title
the effect of age on knowledge about dinosaurs
the effect of knowledge about dinosaurs on age
age vs. dinosaur knowledge
as many people get older they forget about dinosaurs :(
which is NOT a characteristic of life
can reproduce
can grow and develop
has genetic material
can eat things
Which is an EXAMPLE of metabolism?
your body breaking down starch into glucose to use for energy at the cellular level
your body using amino acids to build into proteins for building and repairing muscle tissue
both of these are an example of metabolism
what is homeostasis?
maintaining internal balance
all of the breaking down and building of molecules in an organism
neither of these
both of these
which of these is the smallest level of organization listed?
population
community
ecosystem
biosphere
