What is the chemical symbol for the element oxygen?
a) O
b) C
c) H
d) N
Answer: a) O
What is the SI unit for measuring electric current?
a) Ampere
b) Volt
c) Watt
d) Ohm
Answer: a) Ampere
Which planet is known as the “Red Planet”?
a) Mars
b) Venus
c) Jupiter
d) Saturn
Answer: a) Mars
What is the largest planet in our solar system?
a) Jupiter
b) Saturn
c) Earth
d) Mars
Answer: a) Jupiter
Which scientist is credited with the discovery of gravity?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Nikola Tesla
Answer: a) Isaac Newton
What is the formula for calculating the speed of light?
a) E=mc^2
b) F=ma
c) PV=nRT
d) c = λν
Answer: d) c = λν
What is the chemical symbol for the element gold?
a) Au
b) Ag
c) Fe
d) Cu
Answer: a) Au
What is the process of converting a solid directly into a gas called?
a) Sublimation
b) Condensation
c) Evaporation
d) Melting
Answer: a) Sublimation
Which of the following is a greenhouse gas?
a) Carbon dioxide (CO2)
b) Oxygen (O2)
c) Nitrogen (N2)
d) Hydrogen (H2)
Answer: a) Carbon dioxide (CO2)
What is the unit of measurement for frequency?
a) Hertz (Hz)
b) Newton (N)
c) Pascal (Pa)
d) Watt (W)
Answer: a) Hertz (Hz)
Which planet is known for its beautiful rings?
a) Saturn
b) Neptune
c) Uranus
d) Jupiter
Answer: a) Saturn
What is the smallest unit of matter?
a) Atom
b) Molecule
c) Cell
d) Proton
Answer: a) Atom
Which scientist is famous for his theory of general relativity?
a) Albert Einstein
b) Isaac Newton
c) Galileo Galilei
d) Nikola Tesla
Answer: a) Albert Einstein
What is the chemical symbol for the element sodium?
a) Na
b) Mg
c) Cl
d) K
Answer: a) Na
What is the process of converting a gas into a liquid called?
a) Condensation
b) Evaporation
c) Sublimation
d) Melting
Answer: a) Condensation
What is the formula for calculating density?
a) Density = Mass/Volume
b) Density = Force/Area
c) Density = Velocity/Time
d) Density = Energy/Mass
Answer: a) Density = Mass/Volume
Which of the following is not a primary color?
a) Green
b) Red
c) Blue
d) Yellow
Answer: a) Green
What is the unit of measurement for electric resistance?
a) Ohm
b) Volt
c) Ampere
d) Watt
Answer: a) Ohm
Which planet is known as the “Morning Star” or “Evening Star”?
a) Venus
b) Mercury
c) Mars
d) Jupiter
Answer: a) Venus
What is the chemical symbol for the element carbon?
a) C
b) Ca
c) Co
d) Cu
Answer: a) C
Which of the following is the largest organ in the human body?
a) Skin
b) Liver
c) Heart
d) Brain
Answer: a) Skin
What is the formula for calculating work?
a) Work = Force × Distance
b) Work = Mass × Velocity
c) Work = Energy ÷ Time
d) Work = Power × Time
Answer: a) Work = Force × Distance
What is the chemical symbol for the element iron?
a) Fe
b) Au
c) Ag
d) Pb
Answer: a) Fe
Which of the following is a renewable source of energy?
a) Solar power
b) Coal
c) Natural gas
d) Oil
Answer: a) Solar power
What is the largest organ in the human body?
a) Skin
b) Liver
c) Heart
d) Brain
Answer: a) Skin
What is the process of converting sunlight into electrical energy called?
a) Photovoltaics
b) Fusion
c) Fission
d) Combustion
Answer: a) Photovoltaics
What is the chemical symbol for the element helium?
a) He
b) H
c) O
d) N
Answer: a) He
Which of the following is a type of renewable energy derived from the Earth’s heat?
a) Geothermal energy
b) Nuclear energy
c) Wind energy
d) Biomass energy
Answer: a) Geothermal energy
What is the process of converting light energy into chemical energy in plants called?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Fermentation
Answer: a) Photosynthesis
What is the chemical symbol for the element silver?
a) Ag
b) Au
c) Pt
d) Hg
Answer: a) Ag
What is the study of heredity and variation in living organisms called?
a) Genetics
b) Microbiology
c) Ecology
d) Biochemistry
Answer: a) Genetics
Which of the following is a renewable source of energy derived from organic matter?
a) Biomass energy
b) Natural gas
c) Nuclear energy
d) Coal
Answer: a) Biomass energy
What is the process of converting a liquid into a gas called?
a) Vaporization
b) Condensation
c) Sublimation
d) Melting
Answer: a) Vaporization
Which of the following is the smallest particle of an element that retains its chemical properties?
a) Atom
b) Molecule
c) Cell
d) Proton
Answer: a) Atom
What is the unit of measurement for electric voltage?
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: a) Volt
What is the chemical symbol for the element copper?
a) Cu
b) Ag
c) Fe
d) Na
Answer: a) Cu
Which of the following is a non-renewable source of energy?
a) Coal
b) Solar power
c) Wind energy
d) Hydroelectric power
Answer: a) Coal
What is the chemical formula for water?
a) H2O
b) CO2
c) NaCl
d) CH4
Answer: a) H2O
Which of the following is a unit of pressure?
a) Pascal (Pa)
b) Newton (N)
c) Watt (W)
d) Volt (V)
Answer: a) Pascal (Pa)
What is the process of converting electrical energy into light and heat called?
a) Electric discharge
b) Conduction
c) Induction
d) Radiation
Answer: a) Electric discharge
