WorksheetsParts of an Experiment
Total questions: 50
Worksheet time: 25mins
Which of these is an example of qualitative data?
The number of students in the classroom.
The amount of red fish in a fish tank.
The varying degrees of smells when you walk into a bathroom.
How many hairs your teacher has on his skull.
Which of these is quantitative data?
The amount of petals that a flower blooms.
The different shades of red that petals have.
How rough a piece of wood is.
How attractive someone finds someone else.
Which of these do you test to determine its accuracy?
hypothesis
control
experiment
conclusion
What kind of experiment has at least two groups, one of which does not receive the experimental treatment?
controlled
manipulated
blind
determined
Why are control groups important?
They provide a basis of comparison.
They make experiments more simple.
They make the experimenter look smart.
They are not important.
Identify the control group.
A woman dyes the hair of 10 women blonde. She uses ten different brands, and one woman does not die her hair. She seeks to determine which hair dye dries out the hair the most.
The experimenter.
The first woman to dye her hair.
The woman that doesn't dye her hair.
There is not a control group.
Which of these usually are relatively narrow in scope; theories have broad explanatory power?
hypotheses
theory
law
inference
How does the scientific method usually begin?
observations
hypothesis
experiment
data analysis
How do scientists ensure that their work can be repeated, their experimental procedures can be reviewed, and others can try to reproduce the results?
They publish their work.
They keep their experiment a secret.
They do their experiment once.
They perform their experiment in public.
Experiments must be....
repeatable.
simple.
complex.
performed only once.
Theories happen when...
there is enough experimental data to support a hypothesis.
there is one successful attempt at an experiment.
laws get dispelled.
all choices are correct.
Which statement is true?
Theories can be changed.
Theories can never be changed.
Theories are usually false.
Theories should be made whether experimentation has taken place or not.
Which of these is a well-tested explanation that unifies a broad range of observations?
Theories
Hypotheses
Conclusion
Inference
Which of these is the study of life?
Biology
Ecology
Physics
Chemistry
All living things must...
be able to move
be composed of cells.
be large.
be producers.
Bears hibernate during the winter. This is an example of...
adapting to their environment.
homeostasis.
growth and development.
reproduction.
Information gathered during an experiment is called...
data.
inferences.
references.
conclusions.
Which of these is something that living things respond to?
stimuli
responses
life
all choices are correct.
Homeostasis is how...
organisms keep their internal conditions fairly constant.
organisms change.
organisms get smarter.
how organisms evolve.
What is the term for a group of organisms of one type living in the same place?
populations
biosphere
ecosystem
environment
Opinions should...
not be used to support their ideas.
be used to support their ideas.
should be made before experimenting.
all choices are correct.
You suggest that the presence of light could accelerate the growth of a fungus. This is a(an)
hypothesis.
experiment.
theory
law
A scientist noticed that the number of goats in the mountains are declining. This was a(n)
observation
hypothesis
experiment
inference
This is a testable possible explanation of an observation.
hypothesis.
answer.
observation.
inference.
Which of these is the correct order?
observations, questions, hypothesis, controlled experiment, analysis of results, conclusions.
controlled experiment, hypothesis, analysis of results, observations, questions, conclusions.
observations, controlled experiment, hypothesis, analysis of results, conclusions, questions.
questions, observations, analysis of results, controlled experiment, conclusions, hypothesis.
Experiments test what?
hypotheses
observations
conclusions
data
This is the variable that the experimenter manipulates.
independent
dependent
codependent
interdependent
Which of these is how all living things maintain a balance within their cells and with the environment?
homeostasis
growth
development
reproduction
Food provides...
energy
homeostasis
cells
heredity
Reproduction is how...
organisms make more of their species.
organisms process energy.
organisms get bigger.
organisms make more cells.
Heredity is why...
offspring look like their parents.
organisms have energy.
organisms get larger.
organisms have to eat.
Plants having their leaves wilt is an example of...
responding to the environment.
growth.
reproduction.
metabolism.
Which of these changes in an experiment?
independent variable
dependent variable
both variable can change
neither variable changes
This group receives the placebo.
control
experimental
observational
small
Which of these is an example of development?
a fetus getting various organs.
shivering when cold.
your pupils dilating when the light is turned on.
a unicellular organism splitting to become two separate organisms.
What do we call the instructions for traits that are passed from parents to offspring?
genes
plans
codes
natural selection
Which of these is not a characteristic of all living things?
complexity
growth
response to stimuli
reproduction
Cells are the smallest units that can carry on...
all the functions of life.
some of the functions of life.
no functions of life.
all the functions of death.
Homeostasis is how living things...
maintain things.
change things.
become different.
grow.
When do you reject a hypothesis?
When your data and results do not match your hypothesis.
When your data and results supports your hypothesis.
When your data and results are conclusive.
When you data and results have a positive correlation.
Which of the following is not an example of good laboratory practice?
working alone in the lab
asking permission before using equipment
working with a partner in the lab
wearing goggles in the lab
The mosquito's sharp needle is an example of a(n)...
adaptation
response to stimuli
reproduction
all choices are correct
Genes are a...
short segment of DNA.
method of reproduction.
response to stimuli.
found outside of cells.
A man wants to see how different types of music affects the amount of dancing for raccoons. Which of these is the independent variable?
types of music
the raccoons
the man
the amount of dancing
An astronomer wants to see how the clarity of a telescope's lens is affected by the environment that the telescope is viewed from. Which of these is the dependent variable?
the astronomer
the clarity of a telescope's lens
environment
the lens of the telescope
The changing of humans from a single cell to a full grown adult is an example of...
growth and development.
reproduction.
response to stimuli.
homeostasis.
Which of these is not a characteristic of all living things?
Composed of cells
movement
homeostasis
Adaptations to environments
Metabolism of energy
A response follows a...
stimulus.
charger.
metabolism.
control.
A man wants to see how the amount of sunlight affects the growth of a plant. Which of these should remain constant?
amount of water that the plant recieves.
the amount of sunlight that the plant receives.
the amount that the plant grows.
all choices are correct.
What is Schanfarber's room number?
601
301
603
201
