Understanding Science
A series of steps designed to help you solve problems and answer questions
A) scientific method
B) experiment
C) hypothesis
D) observation
A) scientific method
Science cannot answer questions about _____.
a. distance
b. temperature
c. politics
d. the natural world
c. politics
The process of learning more about the natural world is _________
a. an experiment
b. a control
c. a hypothesis
d. science
d. science
The variable that is changed by the investigator in an experiment is called the ______
a. dependent variable
b. independent variable
c. constant
b. independent variable
To evaluate the observations you make, you must use _______
a. a hypothesis
b. critical thinking
c. models
d. measurements
b. critical thinking
What should a scientist do first if a hypothesis is NOT supported?
a. more repetition
b. more testing
c. gather more information
d. modify and revise the hypothesis
d. modify and revise the hypothesis
A prediction about a problem that can be tested is a(n)
hypothesis
The process of obtaining information by using the senses is called a/an
A) observation
B) scientific method
C) inquiry
D) conclusion
A) observation
Which of the following describes a pattern or an event in nature that is always true?
a. scientific truth
b. scientific law
c. scientific experiment
b. scientific law
The variable being measure is the _____________
dependent variable
Which of the following is a factor in an experiment that does not change?
a. prediction
b. conclusion
c. constant
d. experiment
c. constant
What are the three branches of science?
physical, earth, life
Quantitative data use _____________ to describe what is observed in an experiment
numbers
An explanation of observations of events based on knowledge gained from many observations and investigations is called ______
a. scientific truth
b. scientific law
c. scientific theory
c. scientific theory
Before you can form a hypothesis, you need to
a. state the problem or question
b. perform an experiment
c. state a conclusion
a. state the problem or question
What are three ways that scientists communicate their results to others?
speak at conferences, write scientific articles, exchange information on internet
Why do scientists conduct controlled experiments?
a. looking for answers
b. trying to support hypothesis
c. collecting data
d. all of the above
d. all of the above
Scientists test a hypothesis by
A. | formulating questions. |
B. | designing models. |
C. | doing experiments. |
D. | drawing conclusions. |
C. doing experiments.
A research hypothesis includes the original hypothesis, a method of testing it, and a(n) __________ that supports the hypothesis.
a. observation
b. prediction
c. conclusion
b. prediction
Comparing what you already know about something with new information and then making a decision about whether you agree with the new information is called ________
Critical thinking
What skill is a scientist using when she listens to the sounds that whales make?
A) making a hypothesis
B) interpreting data
C) making observations
D) drawing conclusions
C) making observations
In a controlled experiment there are usually two groups --- an experimental group and ________
a. a variable group
b. a control group
c. a dependent group
b. a control group
Qualitative data use ______________ to describe what is observed in an experiment.
words
When you are skeptical of scientific issues in the media, what are you doing?
a. using critical thinking to question information
b. accepting the information as truthful
c. using your bias to form opinions
a. using critical thinking to question information
A(n) ________________ group is used to study how a change in the independent variable changes the dependent variable
experimental