Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
|
|
|
1.
|
Sound waves
do not carry energy. _________________________
|
|
|
2.
|
Mechanical
waves need a medium through which to transport energy.
_________________________
|
|
|
3.
|
Waves in
which the particles of medium move at right angles to the direction of the wave are
compressional waves. _________________________
|
|
|
4.
|
The lowest
point on a transverse is the trough. _________________________
|
|
|
5.
|
The
amplitude of a wave is measured from the crest of one wave to the crest of the next.
_________________________
|
|
|
6.
|
If the
wavelength of a given wave decreases, you know that its frequency will stay the same.
_________________________
|
|
|
7.
|
The property
of light that allows you to see yourself in a mirror is reflection.
_________________________
|
Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
8.
|
Some
scientists predict that increasing the amount of carbon dioxide in our atmosphere will have adverse
effects on the environment. What is one of these adverse effects? a. | Melting of
glaciers and polar ice | c. | Destruction of
the rain forests | b. | Depletion of the ozone layer | d. | Cooling effect over Earth | | | | |
|
|
|
9.
|
All the
water that soaks into the ground from rain and runoff is known as: a. | Surface water | c. | Oceans | b. | Lakes | d. | Groundwater | | | | |
|
|
|
10.
|
Based on
your experience in class, which of following substances does water pass through most
quickly? a. | Gravel | c. | Groundwater | b. | Sand | d. | Soil | | | | |
|
|
|
11.
|
The diagram
shows physical changes that occur in the water cycle. Which of these shows
condensation?
|
|
|
12.
|
A
student’s family took 12 showers in three days. If each shower used 19 liters of water per
minute and the total time spent showering was 100 minutes, how much water was used during the
showers? a. | 57 liters
(3x19) | d. | 1,900 liters
(19x100) | b. | 228 liters (19x12) | e. | 22,800 liters (19x12x100) | c. | 1,200 liters
(12x100) | | | | |
|
|
|
13.
|
Respiration is the process by which the majority of living organisms form these two
by-products. a. | nitrogen and
water | b. | carbon and water | c. | oxygen and
water | d. | carbon dioxide and water | | |
|
|
|
14.
|
The
pumping of groundwater can result in a. | groundwater depletion. | b. | land
subsidence. | c. | saltwater intrusion. | d. | all of the
above. | e. | none of the above. | | |
|
|
|
15.
|
Which
of the following essential chemical elements is recycled? a. | nitrogen | c. | water | b. | carbon | d. | all of the above | | | | |
|
|
|
16.
|
The
increase in carbon dioxide concentration in the atmosphere can be attributed to a rise
in a. | use of
fertilizers and pesticides. | b. | use of fossil fuels. | c. | change in
humans’ diets, including more fruits and vegetables. | d. | global
warming. | | |
|
|
|
17.
|
The
following information describes the water cycle correctly except a. | water vapor from
oceans contributes to precipitation. | b. | terrestrial evaporation includes cellular respiration and
transpiration. | c. | surface runoff returns most of the water to the
ocean. | d. | groundwater runoff removes valuable nutrients from the
soil. | | |
|
|
|
18.
|
Water
waves a. | transport energy
and water. | c. | transport water
but not energy. | b. | transport energy but not water. | d. | are not mechanical waves. | | | | |
|
|
|
19.
|
The
medium seismic waves travel through is a. | a vacuum. | c. | air. | b. | rocks and other materials inside
Earth. | d. | energy. | | | | |
|
|
|
20.
|
A
train of waves is moving at a speed of 30 m/s. The frequency of the waves is 10 Hz. What is the
wavelength? a. | 300
m | c. | 3
m | b. | 30
m | d. | 0.1
m | | | | |
|