What is the scientific method primarily used for?
A) Generating hypotheses
B) Proving theories
C) Making predictions
D) Systematic investigation and experimentation
Answer: D) Systematic investigation and experimentation
Which branch of science deals with the study of living organisms?
A) Physics
B) Chemistry
C) Biology
D) Geology
Answer: C) Biology
What does STEM stand for in the context of education?
A) Science, Technology, Engineering, and Mathematics
B) Science, Training, Energy, and Mathematics
C) Study, Technology, Engineering, and Medicine
D) Systematic, Training, Energy, and Mathematics
Answer: A) Science, Technology, Engineering, and Mathematics
What is the SI unit of measurement for length?
A) Kilogram
B) Meter
C) Liter
D) Joule
Answer: B) Meter
Which of the following is not one of the fundamental forces of nature?
A) Gravity
B) Electromagnetism
C) Nuclear force
D) Thermal force
Answer: D) Thermal force
What is the function of a microscope in scientific research?
A) Measuring distance
B) Enlarging and magnifying objects for observation
C) Generating electricity
D) Analyzing chemical composition
Answer: B) Enlarging and magnifying objects for observation
What is the chemical symbol for water?
A) H
B) O
C) H2O
D) OH
Answer: C) H2O
Which gas do plants use for photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C) Carbon dioxide
What is the process by which plants make their food called?
A) Photosynthesis
B) Respiration
C) Digestion
D) Fermentation
Answer: A) Photosynthesis
Which subatomic particle carries a negative charge?
A) Proton
B) Neutron
C) Electron
D) Photon
Answer: C) Electron
What is the unit of measurement for electric current?
A) Ampere
B) Volt
C) Ohm
D) Watt
Answer: A) Ampere
What does DNA stand for in biology?
A) Deoxyribonucleic acid
B) Double nitrogen atom
C) Digital nucleotide assembly
D) Dominant nucleotide arrangement
Answer: A) Deoxyribonucleic acid
What is the primary function of the heart in the human body?
A) Pumping blood
B) Digesting food
C) Storing oxygen
D) Producing hormones
Answer: A) Pumping blood
Which planet is known as the “Red Planet” in our solar system?
A) Earth
B) Mars
C) Jupiter
D) Saturn
Answer: B) Mars
What is the study of earthquakes called?
A) Seismology
B) Volcanology
C) Meteorology
D) Geology
Answer: A) Seismology
Which of the following is a renewable source of energy?
A) Coal
B) Natural gas
C) Solar power
D) Nuclear energy
Answer: C) Solar power
What is the chemical symbol for iron?
A) Fe
B) Ir
C) In
D) Io
Answer: A) Fe
What is the process by which plants release water vapor into the atmosphere called?
A) Condensation
B) Transpiration
C) Precipitation
D) Evaporation
Answer: B) Transpiration
Which of the following is not a primary color?
A) Red
B) Blue
C) Yellow
D) Green
Answer: D) Green
What is the SI unit of measurement for time?
A) Second
B) Minute
C) Hour
D) Day
Answer: A) Second
What is the main component of air we breathe?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: C) Nitrogen
Which of the following is not a type of rock?
A) Sedimentary
B) Igneous
C) Metamorphic
D) Solar
Answer: D) Solar
What is the largest organ in the human body?
A) Liver
B) Skin
C) Heart
D) Lungs
Answer: B) Skin
Which of the following is not a phase of matter?
A) Solid
B) Liquid
C) Gas
D) Light
Answer: D) Light
What is the chemical symbol for gold?
A) Au
B) Ag
C) G
D) Go
Answer: A) Au
What is the Earth’s primary source of energy?
A) Fossil fuels
B) Wind
C) Sun
D) Water
Answer: C) Sun
Which of the following is not a part of the human digestive system?
A) Esophagus
B) Liver
C) Kidney
D) Stomach
Answer: C) Kidney
What is the chemical formula for water?
A) H
B) O
C) H2O
D) HO2
Answer: C) H2O
Which gas do humans exhale when they breathe out?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: B) Carbon dioxide
What is the study of the Earth’s atmosphere and weather called?
A) Astronomy
B) Geology
C) Meteorology
D) Oceanography
Answer: C) Meteorology
Which of the following is a mammal?
A) Turtle
B) Lizard
C) Elephant
D) Frog
Answer: C) Elephant
What is the chemical symbol for helium?
A) He
B) H
C) Hei
D) Hel
Answer: A) He
Which planet is known for its prominent rings?
A) Venus
B) Jupiter
C) Saturn
D) Uranus
Answer: C) Saturn
What is the smallest unit of matter?
A) Atom
B) Proton
C) Electron
D) Molecule
Answer: A) Atom
Which of the following is not a primary color of light?
A) Red
B) Blue
C) Yellow
D) Cyan
Answer: D) Cyan
What is the chemical formula for carbon dioxide?
A) CO
B) CO2
C) C2O
D) C2O2
Answer: B) CO2
Which layer of the Earth’s atmosphere protects us from harmful UV rays?
A) Troposphere
B) Stratosphere
C) Mesosphere
D) Thermosphere
Answer: B) StratosphereWhat is the study of rocks called?
A) Seismology
B) Volcanology
C) Petrology
D) Geomorphology
Answer: C) Petrology
What is the chemical symbol for sodium?
A) Sa
B) So
C) Na
D) No
Answer: C) Na
What is the process by which plants convert sunlight into energy called?
A) Photosynthesis
B) Respiration
C) Transpiration
D) Fermentation
Answer: A) Photosynthesis
Which of the following is not a primary color pigment used in painting?
A) Red
B) Blue
C) Yellow
D) Green
Answer: D) Green
What is the chemical formula for table salt?
A) NaCl
B) CaCl2
C) KCl
D) MgCl2
Answer: A) NaCl
Which of the following is not a type of energy?
A) Kinetic
B) Potential
C) Electric
D) Sound
Answer: C) Electric
What is the SI unit of measurement for temperature?
A) Fahrenheit
B) Kelvin
C) Celsius
D) Joule
Answer: B) Kelvin
Which of the following is a characteristic of acids?
A) Bitter taste
B) Turns blue litmus paper red
C) pH greater than 7
D) Slippery feel
Answer: B) Turns blue litmus paper red
What is the study of the Earth’s physical structure and composition called?
A) Geology
B) Astronomy
C) Meteorology
D) Oceanography
Answer: A) Geology
Which of the following is a non-metal element?
A) Copper
B) Iron
C) Oxygen
D) Silver
Answer: C) Oxygen
What is the chemical symbol for nitrogen?
A) N
B) Ni
C) Ne
D) Na
Answer: A) N
Which of the following is a renewable energy source?
A) Coal
B) Oil
C) Solar
D) Natural gas
Answer: C) Solar
What is the study of the Earth’s oceans called?
A) Oceanography
B) Geology
C) Meteorology
D) Seismology
Answer: A) Oceanography