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Physical Science Review
Physical Science Review
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Physical Science review primarily forces energy and atoms
Flashcards
45 cards
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Questions
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Answers
1
Energy stored in the nucleus of an atom is called
chemical energy.
electromagnetic energy.
mechanical energy
nuclear energy.
2
What happens when chemical bonds break and new bonds form?
a temperature increase
matter is destroyed
a chemical reaction
a physical change
3
The only sure evidence for a chemical reaction
the production of one or more new substances
a color change
formation of a gas
an odor
4
Changing direction is an example of a kind
speed
constant rate
velocity
acceleration
5
The energy of matter in motion is called
Mechanical Energy
Kinetic Energy
Thermal Energy
Potential Energy
6
When an inflated balloon is exposed to cold air
the volume of the balloon increases
the pressure inside the balloon rises.
the temperature inside the balloon rises.
the volume of the balloon decreases.
7
One example of a physical change is
dissolving salt in water
Burning paper
heating table sugar
Baking Cookies
8
Unlike kinetic energy, potential energy
is energy of motion
is measureable
is conserved
is stored
9
Fossil fuels contain energy that originally came from
dinosaurs
the earth's core
tidal forces
the sun
10
Potential energy that depends on height is called
mechanical energy
kinetic energy
elastic potential energy
gravitational potential energy
11
If the speed of an object does NOT change, the object is traveling at
decreasing speed
increasing speed
average speed
constant speed
12
Which of these is an example of deceleration?
a bird taking off for flight
a car approaching a red light
a roller coaster moving down a steephill
an airplane following a straight flightpath
13
The speed of a wave is its wavelength multiplied by its
reflection
vibration
amplitude
frequency
14
Electrons involved in bonding between atoms are
valence electrons
inside the nucleus
closest to the nucleus
positively charged
15
When generators are spun by turbines, they
store potential energy.
produce electricity.
burn fossil fuels.
produce nuclear energy.
16
An example of something that stores chemical energy
light
match
lightening
microwave
17
The measurement of the force of gravity on an object is the object’s
mass
weight
thermal energy
potential gravitational energy
18
The total potential and kinetic energy of the particles in an object is
potential energy
mechanical energy
thermal energy
electrical energy
19
Speed equals distance divided by
volume
mass
time
wavelength
20
The principle of conservation of mass is true
only for reactions that take place in open systems.
for no reactions at all.
only for reactions that take place in closed systems.
for reactions in both open and closed systems.
21
Waves that cause the particles of the medium to move parallel to the waves direction are called
longitudinal waves
latitudinal waves
transverse waves
seismic waves
22
Anything that has mass and takes up space is considered
chemistry
endothermic
chemistry
matter
23
Radio waves, microwaves, gamma waves, and X-rays are all considered types of
electric energy
potential energy
chemical energy
electromagnetic energy
24
Most metals are NOT
good conductors of heat and electricity
malleable
liquid at room temperature
ductile
25
A disturbance that transfers energy from place to place is called
compression
vibration
medium
wave
26
How is a solute different from a solvent in a solution?
The solute is a liquid and the solvent is agas.
The solute is present in a smaller amount.
The solute is present in a greater amount
The solute is a solid and the solvent is a liquid.
27
The ability to do work or cause change
matter
energy
density
temperature
28
All elements are composed of extremely small particlescalled
heterogeneous substances
compounds
atoms
molecules
29
One example of a chemical change is
boiling water
burning wood
filtering
crushing a can
30
The process of burning a fuel is called
combustion
acceleration
meltdown
conduction
31
Electromagnetic waves can transfer energy without a(n)
Medium
electric field
Magnetic field
change in either a magnetic or electric field
32
Heat transfer occurs
only from warm objects to colder ones.
both from warm objects to cold and from cold objects to warm
only from cold objects to warmer ones.
in many directions
33
Frequency is measured in units
amps
meters
Hertz
Newtons
34
The measurement of how much matter an object contains is
mass
volume
potential material energy
weight
35
When an object’s distance from another object is changing,
it is accelerating.
it has a high velocity.
it is in motion.
it is speeding.
36
The type of energy stored by fossil fuels such as coal is
thermal
chemical potential
gravitation potential
nuclear
37
What happens when two forces act in the same direction?
They add together.
The stronger one prevails.
Their sum divided by two is the total force.
They cancel each other out.
38
What is one way to increase the solubility of sugar in
Increase the amount of sugar
Decrease the amount of water
Chill the Water
Heat the Water
39
In which state of matter do particles spread apart and fill all the space available to them?
crystal
gas
solid
liquid
40
The transfer of energy by electromagnetic waves is
insulation
conduction
radiation
convection
41
.Substances that CANNOT be broken down chemically into other substances are
compounds
elements
solutions
heterogenous
42
The law of universal gravitation states that any two objects in the universe, without exception
repel each other
attract each other
create friction
combine to make a balanced force
43
What type of conversion is taking place when natural gas is used to heat water?
chemical to thermal energy
mechanical to radiant energy
thermal to mechanical energy
radiant to chemical energy
44
An example of a fossil fuel is
petroleum
wood
hydrogen
The sun
45
The highest parts of a transverse wave are called
nodes
crests
troughs
wavelengths
