Module 1 Extra Practice Flashcards
Science
a process that uses observation and investigation to gain knowledge about the regularities in nature
Physical Science
Type of science deals with matter and energy.
Life Science
Type of science that deals with living things.
Earth Science
Type of science that investigates Earth and space.
How are a hypothesis and a theory similar?
A hypothesis and a theory cannot be revised.
The steps of the scientific method in order
state the problem
gather information
form a hypothesis
test the hypothesis
analyze data
draw conclusions
What is the dependent variable in an experiment that shows how the volume of gas changes with changes in temperature?
volume of gas
What is the best unit to measure the distance a car travels after being released from a ramp?
meter
What is the best unit to measure the mass of a chemical added to a beaker
kilogram
What is the best unit to measure the time it takes for a dropped object to hit the ground?
second
What is the best unit to measure the amount of electrical current in a circuit?
ampere
What is measured in kilograms?
mass
What is the best application of a line graph?
to show trends and how the data changes over time.
What variable is plotted on the x-axis?
independent
What variable is plotted on the y-axis?
dependent
Life science is the study of living things. According to this definition, a life scientist would most likely study
cellular reproduction
In science, activities are performed that test the validity of theories. These activities are called
experiments
Sometimes scientists misinterpret their data, causing them to draw the wrong conclusions. What is one common cause of scientific misinterpretation?
researcher bias
A well-organized procedure that tests an idea
experiment
A prediction or explanation that can be tested by experimentation
hypothesis
Something that represents an idea or object to help people better understand it.
model
An exact quantity that people agree to use for comparison.
standard
A quantity in an experiment that can have more than one value is a
variable
The improved, universally accepted version of the metric system that is based on multiples of ten and includes the meter, liter, and kilogram is the
International System of Units (SI)
Anything that takes up space and has mass
Matter