Assessment 102 Questions with Verified Answers
untestable - CORRECT ANSWER When there is no conceivable way to prove a
statement false, then the statement is
if it is contradicted by new experiments or observations. - CORRECT ANSWER A
scientific theory is discarded
explain large amounts of data - CORRECT ANSWER Theories help scientists to:
When the real system is too complex or difficult to analyze - CORRECT ANSWER
When might scientists analyze or test a model instead of the real system of
interest?
The theory could be modified or discarded - CORRECT ANSWER If new data were
found to disagree with a long-standing theory, what could happen?
Ultraviolet light has a shorter wavelength than visible light - CORRECT ANSWER
Why does ultraviolet light damage the skin, but visible light does not?
medium - CORRECT ANSWER The speed of a sound wave depends on
the distance from crest to crest or trough to trough - CORRECT ANSWER The
wavelength of a transverse wave travelling in a rope is
,remains constant - CORRECT ANSWER When energy changes from one type to
another, the total energy
Inertia is an object's tendency to remain stationary. - CORRECT ANSWER Which
statement describes inertia
The object's resistance to being accelerated - CORRECT ANSWER What does the
mass of an object measure?
Valence electrons - CORRECT ANSWER What is shared or transferred when a
chemical bond is formed?
Electrons are transferred or shared between atoms. - CORRECT ANSWER How is a
compound formed?
gas - CORRECT ANSWER In what state is matter compressible?
Water vapor releases heat as it condenses on the skin, which damages the tissue -
CORRECT ANSWER Why does steam burn skin?
Covalent bond - CORRECT ANSWER Which type of chemical bond holds two atoms
together in a molecule?
Water vapor releases heat as it condenses on the skin, which damages the tissue -
CORRECT ANSWER Why does steam burn skin?
, Gravity - CORRECT ANSWER Which force caused the hydrogen, helium, and
lithium formed from the big bang to collect and form stars, planets, and other
objects, as well as to form the elements other than hydrogen making up these
objects?
Gaseous and less dense - CORRECT ANSWER Which property characterizes the
outer planets compared to the inner planets?
Transform - CORRECT ANSWER Which kind of plate boundary occurs where the
plates slide past each other?
Troposphere - CORRECT ANSWER In which layer of Earth's atmosphere do storms
and other weather phenomena occur?
the force from the air divided by the area on which it acts - CORRECT ANSWER The
atmospheric pressure meteorologists refer to in speaking of weather is
Heated air being pushed up and colder air sinking - CORRECT ANSWER Which
mechanism causes the motion of air that leads to convection cells?
The sun by causing evaporation - CORRECT ANSWER A hydroelectric power plan
converts the energy from flowing water in rivers into electric power. Water exists
on Earth in all three states of matter as it makes its way through the water cycle.
What is the main driving force for the water cycle?