WorksheetsScientific Knowledge
Total questions: 15
Worksheet time: 15mins
Evolution is one example of a theory. From what you know about the scientific method, what can you conclude about this biological theory?
It's been tested many times.
Scientists don't need to test it anymore.
No one is allowed to test whether it's true or not.
There is very little evidence to support it.
Which of the following is a testable hypothesis?
Roses are more beautiful than violets.
A plant needs at least five hours of sunlight per day to grow.
Ice cream is delicious.
Humans will someday land on Mars.
What happens if you test a hypothesis multiple times and the data doesn't support your prediction?
Change the data to support your prediction
Run the experiment again until you get the results you're looking for
Conclude that your hypothesis cannot be proven
Re-think your hypothesis
Which of these answers best describes a scientific theory?
an explanation based on the opinion of a scientist
a well-supported and widely accepted explanation of nature
a description of a specific relationship under given conditions
a statement describing what always happens under certain conditions
Which of these claims best describes how scientific idea change?
New evidence leads to modification of ideas
Scientific ideas rarely change, because they are based on extensive evidence
As a scientific idea changes, it eventually becomes a scientific theory and then a law
Scientists form opinions based on evidence and decide how the idea should change
The figure illustrates evidence supporting kinetic theory of matter, which describes the behavior of gases based on the motions of the particles. Which claim best describes how evidence in the example supports kinetic theory?
The balloon gets bigger as the temperature of the gas inside it increases
The balloon gets bigger as the temperature of the gas inside it increases because the gas particles move faster and get farther apart
The balloon gets smaller as the temperature of the gas inside it increases
The balloon gets smaller as the temperature of the gas inside it increases because the gas particles move more slowly and get closer together
Which of these scientists would most likely engage in fieldwork to observe organisms?
chemist
biologist
physicist
mathematician
A statement that describes the way the world works under certain conditions
empirical evidence
scientific theory
scientific law
scientific method
An explanationof nature that is well-supported and widely accepted
empirical evidence
scientific theory
scientific law
scientific method
A chemist wants to examine specific chemical reactions and isolate certain products using a controlled experiment. How would the chemist perform this experiment?
in a laboratory
out in the field
by performing a survey
by using scientific laws
The conservation of mass - mass cannot be created or destroyed - is an example of a ___.
Axiom
Theory
Law
Cannot be determined from the information given
Wegener’s theory of Continental Shift proved to be wrong. Which would be the best explanation of why we still study what he discovered?
He had valid observations that laid the foundation for changes to his theory, which changed to the Theory of Plate Tectonics.
He was the first scientist to explain some phenomena that nobody else could explain
He travelled around to find fossils that helped explain his theory.
He was just a really smart guy
Which of these statements best describes the role of a hypothesis in scientific research?
A) A hypothesis is a proven fact that explains a scientific phenomenon.
B) A hypothesis is a tentative explanation that can be tested through experiments.
C) A hypothesis is a detailed description of an experiment's results.
D) A hypothesis is a mathematical formula used to predict outcomes.
What is the primary purpose of a control group in a scientific experiment?
A) To provide a standard for comparison against the experimental group.
B) To ensure that the experiment is conducted in a controlled environment.
C) To manipulate variables to achieve desired results.
D) To record data and observations during the experiment.
Which of the following best illustrates the concept of scientific modeling?
A) Using a globe to represent the Earth.
B) Writing a detailed report on a scientific experiment.
C) Conducting a survey to gather public opinion.
D) Developing a new scientific theory based on existing data.
