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CRCT Review - Force, Motion, Energy Transfer, Waves
Test Description: Review test on waves
Instructions: Answer all questions to get your test result.
1) How is the amplitude of a sound wave related to sound you here?
A
The larger the amplitude the louder volume.
B
The larger the amplitude, the higher the pitch.
C
The lager the amplitude the lower the pitch
D
The larger the amplitude, the softer the volume.
2) Most of the elements in the periodic table are
A
metals
B
liquids
C
gases
D
metalloids
3) What is inertia
A
a change in an object's motion
B
the speed and direction of an object in motion
C
acceleration caused by a net force
D
the tendency of an object to resist a change in motion.
4) A student uses a force of 3.6 Newtons (N) to move a metal block 5.0 meters along an inclined plane. How much work does a student do?
A
18 Joules (J)
B
8.6 joules (j)
C
1.8 joules (J)
D
2.4 joules (J)
5) Energy cannot be created or destroyed is a statement of the law of
A
conservation of matter
B
transformation of matter
C
transformation of energy
D
conservation of energy
6) What can of energy is stored in a compressed spring?
A
radiant energy
B
sound energy
C
mechanical energy
D
kinectic energy
7) Each time another bulb is added to a series circuit, the other bulbs in the circuit
A
get dimmer
B
stay the same
C
release more heat
D
get brighter
8) In a vacuum, or open space heat transfer occurs by
A
thermal energy
B
convection
C
radiation
D
conduction
9) Two objects move closer together. What happens to the gravitational attraction between them?
A
It decreases
B
It becomes zero
C
It increases
D
It does not change
10) A runner takes 1.5 hours to complete a 6.0-kilometer route. What is the jogger's average speed?
A
9.0 km/h
B
2.5 km/h
C
4.0 km/hr
D
7.5 km/h
11) which formula represents a single atom?
A
O(2)
B
C
C
H(2)O
D
CO(2)
12) A beaker contains sand and water. The student pours the content of the beaker into a filter. The water flows through the filter but the sand does not. The student can conclude that sand and water is
A
an element
B
a mixture
C
a molecule
D
a compoiund
13) Look at the chemical equation: AgNO(3) + NaCl to produce AgCl + NaNO(3). When 170 grams of silver nitrate (AgNO(3), react with 58 grams of sodium chloride (NaCl), 100 grams of sodium nitrate (NaNO(3 are produced,. How many grams of AgCl ? (
A
228 grams
B
112 grams
C
85 grams
D
128 grams
14) What is a mechanical wave?
A
A wave that requires a medium
B
A wave that transfer matter rather than energy
C
an electromagnetic wave
D
A wave produced by a machine
15) A wave has a high frequency, What can be inferred about it wavelength?
A
Its wavelength will be long
B
Its wavelength will be at the resting point
C
Its wavelength will be short
D
Nothing can be inferred about wavelength from this information,
*select an answer for all questions
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