WorksheetsChapter Test C - Science in Our World
Total questions: 19
Worksheet time: 10mins
Which of the following is a benefit that comes from science?
Polio has been almost wiped out.
Scientists make more money.
World peace is more likely.
What are the steps that scientists follow to solve problems?
scientific research
mathematical research
scientific methods
Why do scientists share their experimental results?
Everyone will share the profit.
Results may stop more experimentation.
Results may strengthen existing hypotheses.
What is true of scientific laws?
They tell how something happens but not why.
They tell why something happens.
They tell nothing useful.
Which of the following are tools for measuring?
length, width, area
calculator, computer, graph
thermometer, stopwatch, balance
Why is the International System of Units important?
allows scientists to confuse other scientists
allows scientists to share and compare observations
helps scientists to protect results
What is the measure of the surface of an object?
density
area
mass
studies the chemistry of rocks, minerals, and soil
Geochemist
oceanographer
zoologist
studies the lives of animals
Geochemist
oceanographer
zoologist
uses science to answer questions about machines
Mechanic
oceanographer
zoologist
finding information in textbooks or on the Internet
experimentation
research
observation
answering questions by watching a spider make a web
experimentation
research
observation
an investigation that answers questions about plant growth in different light
experimentation
research
observation
A factor in an experiment that changes to test a hypothesis is called a(n) _______________.
variable
constant
control
result
An experiment that tests one factor at a time is a(n) _______________.
controlled experiment
random experiment
field experiment
natural experiment
A possible explanation or answer to a question is a(n) _______________.
hypothesis
variable
experiment
observation
A miniature steam engine is an example of a(n) ________________________.
physical model
mathematical model
conceptual model
computer simulation
A model made of numbers, equations, and other data is a(n) ________________________.
mathematical model
physical model
conceptual model
graphical model
The idea that the solar system formed from spinning gas is a(n) ________________________.
conceptual model
physical law
chemical reaction
mathematical equation
