Questions & Answers
Browse all 25 questions from the
Physical Science Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which subatomic particle carries a negative electrical charge?
-
A
Proton
-
B
Neutron
-
C
Electron
-
D
Positron
2
What is the unit of measurement for electrical resistance?
-
A
Volt
-
B
Ampere
-
C
Ohm
-
D
Watt
3
Which state of matter has a definite volume but no definite shape?
-
A
Solid
-
B
Liquid
-
C
Gas
-
D
Plasma
4
What is the chemical symbol for the element Gold?
5
Which law states that for every action, there is an equal and opposite reaction?
-
A
Newton's First Law
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B
Newton's Second Law
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C
Newton's Third Law
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D
Hooke's Law
6
What type of bond involves the sharing of electron pairs between atoms?
-
A
Ionic bond
-
B
Covalent bond
-
C
Metallic bond
-
D
Hydrogen bond
7
In the periodic table, what do elements in the same group share?
-
A
Same number of protons
-
B
Same number of valence electrons
-
C
Same atomic mass
-
D
Same number of energy levels
8
What is the process of a gas turning directly into a solid called?
-
A
Deposition
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B
Sublimation
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C
Condensation
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D
Evaporation
9
Which form of electromagnetic radiation has the longest wavelength?
-
A
X-rays
-
B
Visible light
-
C
Radio waves
-
D
Gamma rays
10
What is the pH level of a neutral solution at 25 degrees Celsius?
11
Which quantity is defined as the rate of change of velocity?
-
A
Speed
-
B
Displacement
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C
Acceleration
-
D
Momentum
12
What is the main component of the Earth's atmosphere by volume?
-
A
Oxygen
-
B
Carbon dioxide
-
C
Nitrogen
-
D
Argon
13
Which color of visible light has the highest frequency?
-
A
Red
-
B
Green
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C
Yellow
-
D
Violet
14
What force opposes the motion of two surfaces in contact?
-
A
Gravity
-
B
Tension
-
C
Friction
-
D
Inertia
15
Which particle is located in the nucleus of an atom and has no charge?
-
A
Proton
-
B
Electron
-
C
Neutron
-
D
Quark
16
What is the SI unit of power?
-
A
Joule
-
B
Watt
-
C
Newton
-
D
Pascal
17
Which scientist is credited with the discovery of the law of universal gravitation?
-
A
Albert Einstein
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B
Nikola Tesla
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C
Isaac Newton
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D
Galileo Galilei
18
What is the term for a substance that cannot be broken down into simpler substances by chemical means?
-
A
Compound
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B
Mixture
-
C
Element
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D
Molecule
19
Which of these is a noble gas?
-
A
Oxygen
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B
Neon
-
C
Nitrogen
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D
Chlorine
20
What is the measurement of the total kinetic energy of particles in an object?
-
A
Temperature
-
B
Heat
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C
Density
-
D
Pressure
21
Which device is used to measure electric current?
-
A
Voltmeter
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B
Ammeter
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C
Ohmmeter
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D
Galvanometer
22
What is the most abundant metal in the Earth's crust?
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A
Iron
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B
Aluminum
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C
Copper
-
D
Gold
23
Which principle explains why an object floats or sinks in a fluid?
-
A
Bernoulli's Principle
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B
Archimedes' Principle
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C
Pascal's Law
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D
Boyle's Law
24
What is the process where atomic nuclei combine to form a heavier nucleus?
-
A
Nuclear fission
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B
Nuclear fusion
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C
Radioactive decay
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D
Chemical synthesis
25
Which property of a wave is measured in Hertz?
-
A
Amplitude
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B
Wavelength
-
C
Frequency
-
D
Velocity
