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WorksheetsPhysical Science B Review
Total questions: 38
Worksheet time: 10hrs 30mins
Name
Class
Date
1.
The amount of mass per unit of space is an object's:
a)
Weight
b)
Density
c)
Inertia
d)
Volume
2.
A person can lay on a bed of nails without getting hurt due to the:
a)
Large area covered by the nails
b)
Small area covered by the nails
c)
Decreased body weight of the person
d)
Small mass of the person
3.
Archimedes' Principle states that an immersed object is buoyed up by a force equal to the weight of:
a)
The displaced fluid
b)
The object
4.
The buoyant force that acts upward on an object is dependent on the:
a)
Volume of the object
b)
Mass of the object
c)
Weight of the object
d)
Density of the object
5.
The main difference between the phases of matter is the:
a)
Space between molecules
b)
Types of molecules that make up the matter
c)
Location of the phase of matter
d)
Size of the molecules that make up the matter
6.
Boyle's Law relates what two factors?
a)
Pressure and volume
b)
Mass and weight
c)
Volume and temperature
d)
Force and area
7.
Use Pascal's Principle to solve the following problem: If a pressure of 15 N/m2 is acting on an area of 3 m2, find the F.
a)
45 N
b)
5 N
8.
Bernoulli's Principle helps explain the __________ relationship between fluid speed and pressure.
a)
Inverse
b)
Direct
9.
Objects always move from an area of ____ pressure to an area of ____ pressure.
a)
High; low
b)
Low; high
10.
Which phase of matter has a definite shape and definite volume?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
11.
Ultraviolet rays are carried to the Earth via:
a)
Convection
b)
Conduction
c)
Radiation
12.
The transfer of heat by currents is:
a)
Convection
b)
Conduction
c)
Radiation
13.
Water has a _____ heat capacity relative sand.
a)
High
b)
Low
14.
Bimetallic switches are effective in devices such as furnaces due to the concept of:
a)
Thermal expansion
b)
Boyle's Law
c)
Charge conservation
d)
Electromagnetism
15.
When water warms from 0 deg C to 4 deg C it:
a)
Contracts
b)
Expands
16.
Which of the following changes of phase would not include an input of energy?
a)
Vaporization
b)
Melting
c)
Sublimation
d)
Condensation
17.
To create an imbalance of charge, __________ must move between objects.
a)
Protons
b)
Neutrons
c)
Electrons
18.
Coulomb's Law is proof that electricity is a __________ force.
a)
Strong
b)
Weak
19.
When charges within an object shift but the overall net charge does not change we say the object is:
a)
Electrically polarized
b)
Electrically charged
c)
Electrified
d)
Terrified
20.
Use Ohm's Law: A current of 10 A is pushed by a 90 V source. Find the resistance.
a)
9 Ὠ
b)
900 Ὠ
c)
.9 Ὠ
21.
Adding another load in a series circuit results in:
a)
Overall current remaining the same
b)
Overall current decreasing
c)
Overall current increasing
d)
A blown breaker
22.
Adding another branch to a parallel circuit results in:
a)
The overall current decreasing
b)
The overall current increasing
c)
The overall current remaining the same
d)
Dimmer light bulbs
23.
The electrical circuit in a cell phone operates by:
a)
AC
b)
DC
24.
An electromagnet must include:
a)
A bar magnet
b)
A coil of wire and current
c)
A bar magnet and an insulator
d)
An insulator and a voltage source
25.
The energy of a wave is measured by its:
a)
Hertz
b)
Amplitude
c)
Wavelength
d)
Pitch
26.
Sound travels as ________ waves.
a)
Transverse
b)
Longitudinal
27.
Pitch depends on:
a)
Amplitude
b)
Frequency
c)
Energy
d)
Loudness
28.
The only way a wave can refract is if it:
a)
Changes speeds
b)
Changes frequency
29.
When a forced vibration matches the natural frequency of an object, ___________ occurs.
a)
Sonic booms
b)
Resonance
c)
Doppler Effect
d)
Interference
30.
When waves are in the same place at the same time, ____________ can occur.
a)
Doppler Effect
b)
Resonance
c)
Interference
d)
Refraction
31.
The apparent change in pitch (or frequency) of a car horn as it approaches and then passes an observer is due to:
a)
Doppler Effect
b)
Resonance
c)
Interference
d)
Refraction
32.
By definition, a supersonic object must be traveling:
a)
At extremely high frequencies
b)
At very high altitudes
c)
Faster than the speed of the sound waves it creates
d)
At the same speed as the sound waves it creates
33.
Electromagnetic waves are classified according to their:
a)
Uses
b)
Frequency
c)
Color
d)
Speed
34.
The 3 primary colors of light are:
a)
Red, Blue, Green
b)
Yellow, Magenta, Cyan
c)
Red, Cyan, Green
d)
Magenta, Black, White
35.
A green pigment reflects _____ and absorbs _____.
a)
Green; Magenta
b)
Magenta; Green
c)
Cyan; Red
d)
Red; Cyan
36.
White clouds are due to the scattering of:
a)
Many light frequencies
b)
One light frequency
37.
Skies are blue due to the scattering of:
a)
Higher frequency light
b)
Lower frequency light
c)
All frequencies of light
38.
Sunsets and sunrises are red due to the _________ path distance between Earth and the sun at these times of day.
a)
Increased
b)
Decreased
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