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Physical Science Semester 1 Review
Select the false statement.
Select the false statement below.
Physical Science Semester 1 Review
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Answers
1
Select the false statement below.
Electrons spin
An electron's energy determines where it is located
Electrons behave like particles and waves
We know exactly where electrons are.
2
Select the false statement.
Protons and neutrons are in the nucleus
Electrons move around the nucleus inside layers
Protons have a positive charge
Electrons have a positive charge
3
Which region in the electromagnetic spectrum has the longest wavelength?
radio waves
ultraviolet light
gamma rays
microwaves
4
What is the definition of a hypothesis?
An informed prediction
An experimental test
A statement supported by a lot of evidence
A mental model describing how parts of the world work
5
What types of energy does the picture illustrate?
gravitational potential energy
thermal energy
chemical potential energy
kinetic energy
6
Protons are much larger than electrons.
False
True
7
Is work accomplished as the man carries the suitcase as he walks?
Yes
No
8
What is the definition of work?
Mechanical process transferring energy from a machine or person to another.
Work is a force, a push or pull
9
What is the definition of radiation?
Heat transfer that occurs by the molecular motion in fluids.
Heat transfer by energy movement through infrared electromagnetic waves
Heat transfer when vibrating atoms in solids cause nearby atoms to vibrate.
10
Fill in the blank. Thermal energy is ________.
heat
the energy an object possesses after being heated
radiation
11
Electromagnetic spectrum longest to shortest wavelengths:radio,microwave,infrared,visible,ultraviolet,x-rays, and gamma
False
True
12
Which is the weakest of the four fundamental forces?
Strong Nuclear Force
Gravitational Force
Electromagnetic Force
Weak Nuclear Force
13
A crystal is formed when atoms organize into a repeating grid structure, called a
crystal lattice
.
False
True
14
What is the definition of a fact?
An informed prediction
A statement supported by a lot of evidence
An experimental test
A mental model describing how parts of the world work
15
Neutrons have a negative charge.
False
True
16
Which statement describes the Electromagnetic Force?
It holds the protons in the nucleus together
It is due to the curvature of space time
It is caused by an electric or magnetic field
It is the agent for beta decay
17
Energy traveling from the sun is which type of energy:
chemical energy
kinetic energy
nuclear energy
electromagnetic radiation
18
Kinetic energy is the energy associated with moving objects.
True
False
19
The pictures are examples of which type of energy?
nuclear energy
chemical potential energy
kinetic energy
electromagnetic radiation
20
Which statement describes the Strong Nuclear Force?
It is caused by an electric or magnetic field
It holds the protons in the nucleus together
It is the agent for beta decay
It is due to the curvature of space time
21
Truth is the way things really are.
True
False
22
Which of the following is NOT a method of heat transfer?
Conduction
Radiation
Thermal Equilibrium
Convection
23
For work to be accomplished, an applied force doesn't have to move an object.
True
False
24
An atom has a center mass called the neutron.
True
False
25
Which region in the electromagnetic spectrum has the shortest wavelength?
Microwaves
radio waves
gamma rays
ultraviolet light
26
What is the definition of conduction?
Heat transfer when vibrating atoms in solids cause nearby atoms to vibrate.
Heat transfer that occurs by the molecular motion in fluids.
Heat transfer by energy movement through infrared electromagnetic waves
27
What is the definition of a theory?
A statement supported by a lot of evidence
An informed prediction
A mental model describing how parts of the world work
An experimental test
28
An isotope is any variety of the atoms of an element,differing in the number of protons the atoms have in their nucleus.
True
False
29
Which is the strongest of the four fundamental forces?
Strong Nuclear Force
Gravitational Force
Electromagnetic Force
Weak Nuclear Force
30
Which statement describes the Gravitational Force?
It holds the protons in the nucleus together
It is the agent for beta decay
It is due to the curvature of space time
It is caused by an electric or magnetic field
31
Which statement describes the Weak Nuclear Force?
It holds the protons in the nucleus together
It is due to the curvature of space time
It is the agent for beta decay
It is caused by an electric or magnetic field
32
Nuclear power plants utilize a fussion reaction as their energy source.
True
False
33
Three subatomic particles are:
electron, proton, neutron
electron, graviton, boson
electron, proton, macron
34
What is the definition of convection?
Heat transfer by energy movement through infrared electromagnetic waves
Heat transfer that occurs by the molecular motion in fluids.
Heat transfer when vibrating atoms in solids cause nearby atoms to vibrate.
