Definitions
A possible explanation for a set of observations or answer to a scientific question is called a what?
What is a hypothesis?
In science, a hypothesis must be ___________.
What is testable.
Harnessing wind to produce electricity is an example of
a. science
b. technology
c. scientific law
d. lab safety
What is technology?
During an experiment, which factors must be controlled so that researchers can draw a logical conclusion from the experiment?
What are variables?
A force that slowly wears away mountains and other features on the surfaces of Earth is what?
What is destructive?
A well-tested explanation for a wide range of observations or experimental results is called a scientific what?
What is a theory?
Pens, binoculars, and computers are examples of __________.
What is technology?
The most important lab safety rule is
a. always wear a lab apron
b. always wear safety goggles
c. design and conducts your own experiments without asking your teacher
d. always follow your teacher's instructions and textbook directions exactly
What is d. always follow your teacher's instructions and textbook directions exactly
During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called what?
What is the manipulated variable?
People who study the effects of human activities on Earth's land, air, water, and living things are who?
Who are environmental scientists?
Which branch of Earth science includes the study of the stars?
What is astronomy?
An organized way to collect and record scientific observations is with a(n) _______ ________.
What is a data table?
What might cause scientists to change a scientific theory?
a. some people disagree with it
b. it covers too broad a topic
c. new evidence contradicts it
d. it is too old
What is c. new evidence contradicts it
The factor that may change in response to the manipulated variable is called what?
The part of the Earth system that includes Earth's solid, rocky, outer layer is the what?
What is the lithosphere?
Using one or more of your senses to gather information is called what?
What is observing?
One useful tool that may help a scientist interpret data by revealing unexpected patterns is a ________.
What is a graph?
b. drawing a conclusion
c. scientific inquiry
d. classification
What is c. scientific inquiry
A statement that describes what scientists expect to happen every time under a particular set of conditions is a what?
What is a scientific law?
A map is an example of a what?
What is a model?
The ability to do work or cause change is what?
What is energy?
A summary of what you have learned from a scientific experiment is called a __________.
What is a conclusion?
Which of the following are NOT examples of data?
a. facts
b. figures
c. theories
d. measurements
What are c. theories
What is the spear?
An example of Iron Age technology is the what?
What is the water wheel?