WorksheetsBio Quiz 1.1
Total questions: 77
Worksheet time: 39mins
What does the word "science" come from?
A Greek word meaning "life"
A Latin word meaning "knowledge"
An English word meaning "study"
A French word meaning "nature"
Which of the following is a goal of science?
To memorize facts about the world
To understand the natural world
To create new languages
To make art
Which of the following is NOT an assumption scientists make?
Nature can be understood through systematic study
Scientific ideas are never revised
Sound scientific ideas withstand the test of time
Science cannot provide answers to all questions
Why might someone be considered to be thinking like a scientist?
They memorize facts about animals
They ask questions about the natural world
They draw pictures of nature
They read stories about science
Which statement best describes how science answers questions?
Science uses opinions to answer questions
Science starts with a question and uses evidence and logic to answer it
Science ignores questions that are difficult
Science relies only on tradition to answer questions
What is a scientific law?
A statement that describes what always happens under certain conditions in nature.
A guess about how things work in nature.
A set of instructions for conducting experiments.
A theory that has not been tested.
Who discovered the law of gravity?
Sir Isaac Newton
Albert Einstein
Galileo Galilei
Marie Curie
According to the law of gravity, why do objects always fall towards Earth?
Because of the pull of gravity
Because of the wind
Because of Earth's rotation
Because of sunlight
How did Newton use the law of gravity to explain natural events?
He explained why objects fall to the ground and why the moon orbits Earth.
He explained how plants grow.
He explained why the sky is blue.
He explained how sound travels.
Why are observations of nature important in science?
They are often the starting point for new ideas about the natural world.
They are used only for entertainment.
They are not important in scientific research.
They are only used to confirm existing theories.
Which statement best describes science?
Science is more of a process than a set body of knowledge.
Science is a collection of unchanging facts.
Science never changes.
Science is only about memorizing laws.
What did Albert Einstein do with Newton’s laws of motion when he developed his theory of relativity?
He completely rejected them.
He showed that Newton’s laws are part of a bigger picture.
He proved them to be false.
He ignored them entirely.
Which scientist proposed the atomic theory that all matter is made of tiny particles called atoms?
Isaac Newton
Albert Einstein
John Dalton
Charles Darwin
Why can science not answer all questions?
Science is based on opinions.
Science deals only with things that can be observed and measured.
Science can explain supernatural events.
Science is always changing its facts.
Which of the following is an example of something outside the bounds of science?
The structure of atoms
The behavior of plants
Supernatural beings or events
The process of photosynthesis
Explain why scientific knowledge is considered to withstand the test of time, using the example of atomic theory.
Because scientific knowledge never changes.
Because scientific ideas are based on opinions.
Because scientific ideas like atomic theory have been tested repeatedly and found to be true.
Because scientific knowledge is always wrong.
Which of the following questions can be answered by science on the basis of scientific evidence and logic?
Did life on Earth evolve over time?
Was life on Earth created through another method?
What is the meaning of life?
What is the best color?
Why is the question "Was life on Earth created through another method?" considered outside the realm of science?
Because it is a matter of belief
Because it is too easy to answer
Because it is already proven
Because it is a mathematical question
What is Dan Costa, Ph.D., known for in his scientific research?
Studying marine life and using electronic tags to gather information about elephant seals
Inventing new medicines
Studying plant growth in deserts
Researching the history of mathematics
Which of the following is an example of a tool used by Dan Costa to study marine life?
Satellite tags
Thermometers
Microscopes
Telescopes
According to Dr. Costa, what is one reason science is considered "cool and fun"?
You get to do stuff that no one has ever done before
You always get the right answer
It is easy and requires no effort
It never changes
How do elephant seals use oceanographic features, according to the text?
To hunt for prey as far as the international dateline and the Alaskan Aleutian Islands
To build nests on the beach
To avoid predators in shallow water
To communicate with other seals
What is the heart of science according to the provided material?
Scientific investigation
Mathematical calculation
Artistic expression
Historical analysis
What is a scientific investigation?
A plan for asking questions and testing possible answers
A way to memorize facts
A method for drawing pictures
A process for writing stories
Which of the following is typically the first step in a scientific investigation?
Drawing conclusions
Making observations
Conducting experiments
Writing a report
Why might a scientist ask a question after making an observation?
Observations often lead to questions
Questions come before observations
Questions are not related to observations
Observations are only for fun
A moth with spots on its wings that look like eyes is observed. What might a scientist infer from this observation?
The moth's spots make it look like the face of an owl
The moth is dangerous
The moth can fly faster than other insects
The moth is nocturnal
What might the eye spots on a moth's wings help it resemble?
The face of an owl
The wings of a butterfly
The leaves of a tree
The shell of a turtle
What is a hypothesis in a scientific investigation?
A possible answer to a scientific question based on scientific knowledge and logic.
A random guess with no basis in knowledge.
A proven fact that cannot be disproven.
A summary of previous experiments.
Which of the following must be true for a hypothesis to be valid?
It must be based on scientific knowledge and be falsifiable.
It must be a fact that cannot be disproven.
It must be accepted by everyone.
It must be written in a complex way.
What is the purpose of making a prediction when testing a hypothesis?
To state what will happen under certain conditions if the hypothesis is correct.
To summarize the results of an experiment.
To prove the hypothesis is always true.
To describe unrelated scientific facts.
If you know that some birds eat moths and that owls prey on other birds, what hypothesis might you form about moths with eye spots?
The eye spots scare away birds that might eat the moth.
The eye spots help moths find food.
The eye spots make moths fly faster.
The eye spots attract more predators.
Why must a hypothesis be falsifiable?
So it can be tested and potentially disproven by observations.
So it is always accepted as true.
So it can be written in a scientific journal.
So it can be used in every experiment.
What is evidence in the context of scientific investigations?
Any type of data that may support or disprove a prediction
Only data that supports a prediction
Only data collected from experiments
Data that is always correct
Why can a hypothesis never be proven conclusively to be true?
Because evidence is always incomplete and new evidence might be found
Because scientists do not share their results
Because only one experiment is needed
Because predictions are always wrong
What is the importance of communicating results in a scientific investigation?
It allows others to test your hypothesis and add support or disprove it
It makes the experiment more fun
It helps scientists keep their work secret
It is not important at all
If other researchers get the same results as yours, what does it do to your hypothesis?
It adds support to the hypothesis
It disproves the hypothesis
It makes the hypothesis less likely to be true
It has no effect on the hypothesis
Suppose you observe that birds avoid eating moths with eye spots. What does this evidence do?
It agrees with your prediction
It disproves your prediction
It has no effect on your prediction
It makes the prediction false
What is an experiment in scientific investigations?
A type of scientific investigation performed under controlled conditions
A random guess about nature
A story about natural events
A type of art project
In a laboratory experiment, what is the variable called that is affected by another variable?
Independent variable
Dependent variable
Control variable
Random variable
Why is it important for experiments to be performed under controlled conditions?
To make the experiment more fun
To ensure that the results are reliable and can be understood
To make the experiment more expensive
To confuse the researchers
Suppose you are conducting a laboratory experiment studying plant growth. Which of the following would be a good dependent variable to measure?
The amount of sunlight given to the plants
The type of soil used
The height of the plants after two weeks
The number of pots in the lab
A researcher finds that birds avoided moths while the researcher was observing them, but not for the reason hypothesized. What should the researcher do next?
Ignore the results and start over
Think of ways to avoid this error in future studies
Change the hypothesis to fit the results
Stop doing experiments
What is the independent variable in a plant experiment where some plants get fertilizer and others do not?
Fertilizer
Water
Sunlight
Soil type
Why is it important to control other factors in an experiment besides the independent variable?
To make sure only the independent variable affects the results
To make the experiment more expensive
To make the experiment faster
To use more materials
What is a sample in an experiment?
The individuals or events that are studied
The equipment used in the experiment
The results of the experiment
The hypothesis of the experiment
How does increasing the sample size in an experiment affect the results?
It makes the results more likely to be true in general
It makes the experiment shorter
It decreases the accuracy of the results
It has no effect on the results
Why should scientific experiments be repeated?
To increase the likelihood that the results are valid
To use more resources
To make the experiment more complicated
To get different results each time
Suppose you are conducting a plant growth experiment. Besides fertilizer, what is one other factor you should control to ensure valid results? (DoK Level 2)
Amount of sunlight
Type of fertilizer
Brand of pots
Color of leaves
A student repeats an experiment three times and gets the same results each time. What does this suggest about the experiment? (DoK Level 2)
The results are more likely to be valid
The experiment is too easy
The results are less reliable
The experiment should not be repeated again
Imagine you are designing an experiment to test the effect of water on plant growth. What would be your independent variable, and why? (DoK Level 3)
Amount of water, because it is what you are changing to see its effect on plant growth
Type of plant, because it is the only thing that matters
Amount of sunlight, because it is always important
Type of soil, because it is easy to measure
Why might a scientist studying an extinct animal be unable to perform experiments with it?
Because the animal no longer exists
Because the animal is too dangerous
Because the animal is too small
Because the animal is too expensive to study
What is a drawback of conducting natural studies in science?
Scientists cannot control all the factors that might affect the variables
Scientists always get incorrect results
Natural studies are always faster than experiments
Natural studies are more expensive than experiments
Which of the following is an advantage of natural studies over experiments?
They provide a truer picture of what happens in the real world
They are always easier to interpret
They allow complete control over all variables
They never require any evidence
What is a scientific model?
A representation of part of the real world
A type of experiment done in a laboratory
A natural study conducted in a forest
A living organism used for testing
Suppose you are studying how plants grow in a forest. Why might it be difficult to determine which factors most influence plant growth in a natural study?
You cannot control the amount of sunlight or rain the plants receive
You can easily control all the variables
You only need to observe one plant
You can always predict the results
Explain why scientists might use models instead of experiments to gain scientific knowledge. Use evidence from the text to support your answer.
Because experiments are sometimes impossible, and models can represent parts of the real world
Because models are always more accurate than experiments
Because models are easier to build than to conduct experiments
Because experiments are never useful in science
What is one reason that models are especially useful for investigating complex systems?
They are more complicated than the real world.
They are always correct.
They are simpler than the real world.
They do not require any testing.
What do food chain models help scientists understand?
Simple machines
Complex systems in nature
Mathematical equations
Computer programming
Which of the following is true about scientific models?
They always represent the real world perfectly.
They never need to be evaluated.
Their usefulness depends on how well their predictions match real-world observations.
They are the only way to prove a scientific theory.
What is a scientific theory?
A guess that has not been tested
A broad explanation for events that is widely accepted as true
A simple observation
A mathematical equation
Why does a model need to be evaluated?
To see if it is the only model that works
To determine how well it represents the real world and its usefulness
To make it more complicated
To avoid using real-world observations
If a model’s predictions match real-world observations, what does this mean?
The model is always true.
The model is the only one that works.
The model is useful, but it does not prove it is the only correct model.
The model does not need to be tested anymore.
What do the two models in the figure represent?
Food chains
Weather patterns
Mathematical equations
Computer programs
What is the main difference between how people commonly use the word "theory" and how it is used in science?
In science, a theory is just a guess with no evidence.
In science, a theory is a well-supported explanation, while people often use it to mean a simple guess.
In science, a theory is always wrong.
In science, a theory is the same as a hypothesis.
Which of the following is an example of a scientific theory mentioned in the text?
Theory of relativity
Theory of evolution
Theory of gravity
Theory of relativity
Why do scientists and engineers study structures in nature, according to the text?
To learn how to draw animals
To design new products inspired by nature
To find new species
To create new scientific theories
Which university is mentioned as working on bio-inspired designs?
Harvard University
University of California, Berkeley
Stanford University
Massachusetts Institute of Technology
Explain how the design of a gecko's foot has inspired new technology, based on the information in the text.
It inspired new types of shoes for athletes.
It inspired adhesives and milli-robots that mimic the way geckos move.
It inspired new types of food for animals.
It inspired new musical instruments.
What is the main goal of science?
To understand the natural world through systematic study.
To create new technologies for entertainment.
To memorize facts about nature.
To make random guesses about the world.
What is scientific knowledge based on?
Evidence and logic
Opinions and beliefs
Traditions and customs
Random guesses
How do scientists gain knowledge?
Through scientific investigations
By reading stories
By making assumptions
By copying others
Which of the following best describes a scientific investigation?
A plan for asking questions and testing possible answers
A way to memorize facts
A method for creating art
A process of guessing outcomes
Why are scientific theories widely accepted as true?
Because they are supported by a great deal of evidence
Because they are easy to understand
Because they are written by famous scientists
Because they are old ideas
Which of the following is NOT a type of scientific investigation mentioned in the text?
Cooking recipes
Natural studies
Experiments
Modeling
Why might scientists use natural studies or modeling instead of experiments?
When experiments are difficult to do
When they want faster results
When they dislike experiments
When they want to avoid using evidence
A scientist wants to test a hypothesis under controlled conditions. What method should they use?
Experiment
Guesswork
Storytelling
Voting
