General | Science | Earth Science | What is the name of the layer of Earth located just below the crust? | Mantle

General | Science | Earth Science | What is the term for the study of earthquakes and the movement of waves through the Earth? | Seismology

General | Science | Earth Science | What is the most abundant gas in the Earth's atmosphere? | Nitrogen

General | Science | Earth Science | What phenomenon causes the Northern and Southern Lights? | Aurora Borealis and Aurora Australis

General | Science | Earth Science | What is the term for the point on the Earth's surface directly above an earthquake's focus? | Epicenter

General | Science | Earth Science | What is the process by which water vapor becomes liquid? | Condensation

General | Science | Earth Science | What is the name of the supercontinent that existed about 250 million years ago? | Pangaea

General | Science | Earth Science | What scale is used to measure the hardness of minerals? | Mohs Scale

General | Science | Earth Science | What type of rock is formed by the cooling and solidification of magma or lava? | Igneous Rock

General | Science | Earth Science | What is the term for the boundary where two tectonic plates meet? | Plate Boundary

General | Science | Earth Science | What is the name of the deepest known part of the world's oceans? | Mariana Trench

General | Science | Earth Science | What phenomenon is described by the movement of tectonic plates resulting in geological phenomena such as earthquakes? | Plate Tectonics

General | Science | Earth Science | What is the term for a large, naturally occurring community of flora and fauna occupying a major habitat? | Ecosystem

General | Science | Earth Science | What is the name of the layer of the atmosphere closest to Earth where most weather occurs? | Troposphere

General | Science | Earth Science | What cycle describes the continuous movement of water on, above, and below the surface of the Earth? | The Water Cycle

General | Science | Earth Science | What is the term for the process by which rock is broken down or dissolved by natural processes? | Weathering

General | Science | Earth Science | What is the name of the current geological epoch we are living in? | Holocene

General | Science | Earth Science | What is the term for the effect that causes the prevailing winds to veer to the right in the Northern Hemisphere and to the left in the Southern Hemisphere? | Coriolis Effect

General | Science | Earth Science | What is the name of the process by which plants release water vapor into the atmosphere? | Transpiration

General | Science | Earth Science | What type of cloud is typically associated with thunderstorms? | Cumulonimbus

General | Science | Earth Science | What is the term for a volcanic rock that is extremely porous and can float on water? | Pumice

General | Science | Earth Science | What is the name of the largest ocean on Earth? | Pacific Ocean

General | Science | Earth Science | What phenomenon describes the gradual increase in the average temperature of the Earth's atmosphere and its oceans? | Global Warming

General | Science | Earth Science | What is the term for the area of the ocean floor where tectonic plates move apart, creating new crust? | Mid-Ocean Ridge

General | Science | Earth Science | What is the name of the wind system that dominates the tropical atmosphere, near the Earth's equator? | Trade Winds

General | Science | Human Anatomy | What is the largest bone in the human body? | Femur

General | Science | Human Anatomy | What part of the body produces insulin? | Pancreas

General | Science | Human Anatomy | How many chambers does the human heart have? | 4

General | Science | Human Anatomy | What is the name of the muscle that separates the chest cavity from the abdominal cavity? | Diaphragm

General | Science | Human Anatomy | What is the largest organ inside the body? | Liver

General | Science | Human Anatomy | How many pairs of ribs does the average human have? | 12

General | Science | Human Anatomy | What part of the human body is the tibia located? | Leg

General | Science | Human Anatomy | What is the name of the smallest bone in the human body? | Stapes (in the ear)

General | Science | Human Anatomy | Which organ is responsible for filtering blood in the human body? | Kidneys

General | Science | Human Anatomy | What is the human body's largest muscle? | Gluteus Maximus

General | Science | Human Anatomy | How many teeth does a normal adult human have? | 32

General | Science | Human Anatomy | What part of the body is affected by glaucoma? | Eyes

General | Science | Human Anatomy | What type of joint is the knee? | Hinge Joint

General | Science | Human Anatomy | What is the name of the process by which oxygen and carbon dioxide are exchanged in the lungs? | Gas Exchange or Respiration

General | Science | Human Anatomy | What is the name of the first cervical vertebra? | Atlas

General | Science | Human Anatomy | What is the common name for the clavicle? | Collarbone

General | Science | Human Anatomy | What is the name of the fluid that lubricates and cushions the joints? | Synovial Fluid

General | Science | Human Anatomy | What part of the brain regulates heart rate, breathing, and blood pressure? | Medulla Oblongata

General | Science | Human Anatomy | How many bones are in the human hand, including the wrist? | 27

General | Science | Human Anatomy | What is the name of the pigment that gives skin and hair its color? | Melanin

General | Science | Human Anatomy | What is the term for the group of muscles at the front of the thigh? | Quadriceps

General | Science | Human Anatomy | What part of the eye adjusts light intake and focuses the image? | Lens

General | Science | Human Anatomy | What is the name of the largest artery in the human body? | Aorta

General | Science | Human Anatomy | What part of the human body is the mandible located? | Lower Jaw

General | Science | Human Anatomy | What is the term for the removal of waste products from the body's blood through the kidneys? | Filtration or Excretion

General | Science | Inventions | Who is credited with inventing the light bulb? | Thomas Edison

General | Science | Inventions | What year was the World Wide Web invented? | 1989

General | Science | Inventions | Who invented the telephone? | Alexander Graham Bell

General | Science | Inventions | What is the name of the first programmable computer? | The Z3

General | Science | Inventions | Who invented the first successful airplane? | The Wright brothers

General | Science | Inventions | Who is known as the father of the modern computer? | Charles Babbage

General | Science | Inventions | What invention is Louis Pasteur most famous for? | Pasteurization

General | Science | Inventions | Who invented the polio vaccine? | Jonas Salk

General | Science | Inventions | In what year was the first iPhone released? | 2007

General | Science | Inventions | Who invented dynamite? | Alfred Nobel

General | Science | Inventions | What was the first practical photographic process? | Daguerreotype

General | Science | Inventions | Who is credited with inventing the printing press? | Johannes Gutenberg

General | Science | Inventions | What invention did James Watt improve, which became fundamental to the Industrial Revolution? | The steam engine

General | Science | Inventions | Who invented the first commercially successful lightbulb? | Thomas Edison

General | Science | Inventions | What device did Alexander Fleming discover in 1928? | Penicillin (not a device, but a significant medical discovery)

General | Science | Inventions | Who is credited with the invention of the radio? | Guglielmo Marconi

General | Science | Inventions | What year was the first digital computer created? | 1943 (ENIAC was completed in 1945, but work started earlier)

General | Science | Inventions | Who invented the microwave oven? | Percy Spencer

General | Science | Inventions | What invention is Karl Benz famous for? | The first practical automobile

General | Science | Inventions | Who developed the theory of relativity, which led to new ways of thinking about time, space, mass, and energy? | Albert Einstein

General | Science | Inventions | What was the first vaccine developed for? | Smallpox

General | Science | Inventions | Who invented the phonograph? | Thomas Edison

General | Science | Inventions | In what year was the first practical typewriter invented? | 1868

General | Science | Inventions | Who is credited with inventing the first mechanical computer? | Charles Babbage

General | Science | Inventions | What significant invention is Nikola Tesla known for in the field of electrical engineering? | The development of alternating current (AC) electrical systems

General | Science | Medical Discoveries | What is the name of the vaccine used to eradicate smallpox? | The smallpox vaccine

General | Science | Medical Discoveries | Who discovered penicillin, the first true antibiotic? | Alexander Fleming

General | Science | Medical Discoveries | What medical device was invented by René Laennec in 1816? | The stethoscope

General | Science | Medical Discoveries | Who developed the first successful polio vaccine? | Jonas Salk

General | Science | Medical Discoveries | Who is known for their pioneering work on the theory of germs and its application to medicine? | Louis Pasteur

General | Science | Medical Discoveries | Who discovered the Rh factor in blood? | Karl Landsteiner and Alexander S. Wiener

General | Science | Medical Discoveries | What is the name of the process used to treat milk and wine to stop bacterial contamination, named after a French biologist? | Pasteurization

General | Science | Medical Discoveries | What breakthrough surgery was first successfully performed by Dr. Christiaan Barnard in 1967? | The first human heart transplant

General | Science | Medical Discoveries | Who is credited with the discovery of insulin? | Frederick Banting and Charles Best

General | Science | Medical Discoveries | What is the name of the imaging technique that uses magnetic fields and radio waves to visualize the internal structures of the body? | Magnetic Resonance Imaging (MRI)

General | Science | Medical Discoveries | Who discovered X-rays, which revolutionized medical diagnosis? | Wilhelm Conrad Röntgen

General | Science | Medical Discoveries | Who is known for developing the first successful vaccine against rabies? | Louis Pasteur

General | Science | Medical Discoveries | What scientist is credited with formulating the laws of inheritance, laying the groundwork for genetics? | Gregor Mendel

General | Science | Medical Discoveries | What is the name of the test used to screen for cervical cancer? | The Pap smear

General | Science | Medical Discoveries | Who identified the first human cancer virus, the Epstein-Barr virus? | Michael Anthony Epstein and Yvonne Barr

General | Science | Medical Discoveries | What is the name of the antiseptic principle of the practice of surgery, which reduced mortality rates from surgery significantly? | Listerism, after Joseph Lister

General | Science | Medical Discoveries | Who is considered the father of modern epidemiology for his work in tracing the source of a cholera outbreak in 1854? | John Snow

General | Science | Medical Discoveries | Who developed the oral rehydration therapy (ORT), which has saved millions of lives from dehydration caused by diarrhea? | Dilip Mahalanabis

General | Science | Medical Discoveries | What is the name of the blood test used to detect prostate cancer? | Prostate-Specific Antigen (PSA) test

General | Science | Medical Discoveries | What is the name of the technique for amplifying DNA in vitro by enzymatic synthesis? | Polymerase Chain Reaction (PCR)

General | Science | Medical Discoveries | Who discovered the structure of DNA? | James Watson and Francis Crick

General | Science | Medical Discoveries | What is the name of the first targeted cancer therapy drug, approved in 2001? | Imatinib (Gleevec)

General | Science | Medical Discoveries | Who is known for their work in developing the cochlear implant? | Graeme Clark

General | Science | Medical Discoveries | What is the name of the vaccine that provides immunity against tuberculosis? | Bacillus Calmette-Guérin (BCG) vaccine

General | Science | Environmental Science | What term describes the conversion of light energy into chemical energy by plants? | Photosynthesis