Title: 9th Grade The Physical World
19th Grade The Physical World Climate
2What were the ice ages? a. periods of time when
glaciers receded to cover only the Poles b. eras
during which Earths orbit kept the planet far
from the sun c. periods of time when glaciers
covered much of the Earth d. times when human
and animal life thrived in high latitudes
3Which of the following climate regions has the
widest temperature range? a. arctic c. marine
west coast b. subarctic d. tropical
4Why is Earth's atmosphere important? a. It
creates the tides. b. It has no effect on heat
gain or loss. c. It allows heat to escape
quickly in order to cool the planet. d. It keeps
heat from escaping too quickly into space.
5In which months do equinoxes take place? a. June
and December c. July and January b. October and
April d. March and September
6Because of the tilt of Earth, a. not all places
receive the same amount of direct sunlight at one
time. b. there is a lack of sunlight at the
Equator at the winter solstice. c. the polar
regions are dark for the entire summer. d. the
polar regions receive more direct sunlight than
the Equator.
7What causes the Earths seasons? a. the moons
revolution and its tilt in relation to
Earth b. Earths rotation and its tilt in
relation to the sun c. Earths revolution and
its tilt in relation to the sun d. the movement
of the continents due to continental drift
8 Which of the following affects temperatures on
Earth? a. Earths position in relation to the
sun b. the phases of the moon c. tidal ebb and
flow as influenced by the sun d. the number of
hours in a calendar day
9How does the Coriolis effect influence prevailing
winds? a. It causes them to blow in a straight
line. b. It causes them to blow in a complete
circle. c. It causes them to blow
backward. d. It causes them to blow diagonally.
10How many ice ages and subsequent warming has the
Earth passed through over about the past 1 to 2
million years? a. 1 c. 3 b. 2 d. 4
11What are the two kinds of tropical
climates? a. tropical continental and tropical
desert b. tropical rain forest and tropical
Mediterranean c. tropical marine west coast and
tropical desert d. tropical wet and tropical dry
12What is the northernmost point on the Earth to
receive the suns direct rays? a. Tropic of
Capricorn c. Tropic of Cancer b. Equator d. North
Pole
13- Weather is
- a long-term aspect of climate.
- unrelated to climate.
- a short-term aspect of climate.
- the same as climate.
14- Some scientists believe that global warming may
be caused by a rise in - carbon monoxide levels.
- oxygen levels.
- nitrogen levels.
- carbon dioxide levels.
15What does the greenhouse effect help to
do? a. cool Earth c. produce carbon
dioxide b. warm Earth d. reduce carbon dioxide
16What are the prevailing winds of the low
latitudes called? a. easterlies c. westerlies b.
doldrums d. trade winds
17Elevation and climate a. are very closely
related. b. have little effect on each
other. c. are two terms for the same
condition. d. are almost impossible to measure
accurately.
18Which statement is true of places located in high
latitudes? a. They have a very warm
climate. b. They have the same weather as places
in other latitudes. c. They have a mix of
extremely hot and extremely cold
weather. d. They have the coldest climates on
Earth.
19Which of the following covers most of Greenland
and Antarctica? a. icebergs c. sheet
glaciers b. moraines d. mountain glaciers
20Which of the following is an example of chemical
weathering? a. acid rain dissolving
limestone b. wind picking up and blowing
soil c. frozen water cracking rocks d. river
water wearing away rock and soil
21Which of the following countries is affected by
the Ring of Fire? a. France c. South
Africa b. India d. Japan
22Scientists theorize that plate tectonics are
caused by a. currents in Earths
core. c. currents in Earths mantle. b. currents
on Earths crust. d. the Earths rotation.
23The theory of continental drift states
that a. continents are continually
moving. b. all continents were once covered in
water. c. all continents were never
joined. d. Continents are always drifting toward
one another.
24The part of the Earths surface that is land is
called the a. hydrosphere. c. atmosphere. b. lith
osphere. d. biosphere.
25About how much of the Earths surface is covered
by the hydrosphere? a. 70 percent c. 90
percent b. 80 percent d. 100 percent
26Earth is the ____________________ planet from the
sun and ranks ____________________ in
size. a. fifth, third c. first, first b. third,
fifth d. eighth, last
27The sun is a a. gas giant planet. c. star. b. te
rrestrial planet. d. comet.
28Physical weathering takes place when a. large
masses of rock are welded together by volcanic
action. b. large masses of rock are broken into
smaller pieces. c. chemicals slowly break down
rocks over may years. d. winds blow dirt away
from rocks.
29What is magma? a. the solid rock at the Earths
core b. part of the Earth's solid
crust c. molten rock within the Earth d. solid
rock of iron and nickel
30What do many scientists believe about the Earths
continents? a. They were pulled apart over a
period of one or two centuries. b. They were
pushed together over millions of years. c. They
once were joined in a single massive
supercontinent. d. They look the same today as
they did millions of years ago.
31- Asteroids are found mainly between
- Mercury and the sun.
- the orbits of Saturn and Mars.
- Earth and the moon.
- the orbits of Jupiter and Mars.
32- The ____________________ is the deepest known
depression on Earth. - Pacific Plate
- Mariana Trench
- Dead Sea
- Isthmus of Panama
33Four major types of underwater landforms
are a. mountains, cliffs, valleys, and
trenches. b. oceans, rivers, lakes, and
streams. c. geysers, hot springs, snowfields,
and cliffs. d. cities, towns, villages, and
counties.
34Groundwater comes from a. rain, melted snow,
lakes, and rivers. b. rain, aquifers, oceans,
and streams. c. oceans, rain, lakes, and
rivers. d. deserts, valleys, mountains, and
oceans.
35- What are the three layers of the Earth?
- ground, air, and water
- water, mantle, and crust
- core, mantle, and crust
- core, mantle, and air
36The water cycle shows us that the Earths
water a. moves around the Earth and is decreasing
each year. b. moves around the Earth and is
increasing each year. c. moves around the Earth
but maintains a consistent total amount. d. does
not move around the Earth but maintains a
consistent total amount.
37Erosion is the wearing away of Earths a. inner
core by tectonic activity. b. surface by wind,
glaciers, and moving water. c. mantle by the
forces of magma and gravity. d. crust by the
pull of the sun and the moon.
38- Which of the following best describes the Earths
inner core? - liquid and extremely hot
- liquid and cool
- solid and cool
- solid and extremely hot
39Land takes up about how much of the Earths
surface? a. 70 percent c. 30 percent b. 15
percent d. 20 percent