Science 🧪 Flashcards
How many elements are there in the periodic table of elements?
118
How many bones are in the human body?
206
What is the boiling point of water at sea level in Celsius?
100°C
What is the dark spot on Neptune? ⭐️
A hole in the methane cloud deck
What is the rarest blood type?
AB-
Who developed the theory of relativity?
Albert Einstein
Who is known as the father of modern physics?
Albert Einstein
Who is considered the father of modern chemistry?
Antoine Lavoisier
What is the rarest naturally occuring element on earth? ⭐️
Astatine
What is the smallest unit of matter?
Atom
What is the chemical symbol for gold?
Au
What is the instrument used to measure atmospheric pressure?
Barometer
What gas do plants absorb from the atmosphere during photosynthesis?
Carbon dioxide
What is the chemical formula for methane?
CH₄
Who wrote the scientific book “On the Origin of Species”?
Charles Darwin
What does DNA stand for? ⭐️
Deoxyribonucleic Acid
What is the hardest natural substance on Earth?
Diamond
Fastest regenerating organ? ⭐️
Eye
What is the largest bone in the human body?
Femur
What force keeps the planets in orbit around the sun?
Gravity
What is the chemical formula for water?
H₂O
What is the term for the time it takes for half of a radioactive substance to decay?
Half-life
What is the term for animals that feed only on plants?
Herbivores
Which part of the brain is associated with emotion and memory?
Hippocampus
What is the name of the bone found in the upper arm?
Humerus
Which element has the atomic number 1?
Hydrogen
What does the “H” stand for in H2O?
Hydrogen
Who discovered the law of gravity?
Isaac Newton
What is the largest internal organ in the human body?
Liver
Which planet is known as the Red Planet?
Mars
What is the smallest planet in our solar system?
Mercury
What is the process by which a caterpillar becomes a butterfly?
Metamorphosis
What is the term for a naturally occurring solid material with a definite chemical composition?
Mineral
What is the powerhouse of the cell?
Mitochondria
What is the chemical symbol for sodium?
Na
What is the chemical formula for table salt?
NaCl
What is the unit of force in the International System of Units?
Newton
What is the most abundant gas in Earth’s atmosphere?
Nitrogen
What are the names of the polar lights? ⭐️
North: Aurora borealis / South: Aurora australis
What is the most common blood type worldwide? ⭐️
O+
What is the term for the movement of water molecules through a semipermeable membrane?
Osmosis
What is the most common element in the Earth’s crust?
Oxygen
What is the name of the process by which plants make their food?
Photosynthesis
What is the process plants use to absorb carbon dioxide?
Photosynthesis
What is the currency of the United Kingdom?
Pound Sterling
What is the common name for sodium chloride? ⭐️
Salt
Which planet has a hexagon shaped cloud formation on its north pole? ⭐️
Saturn
Which planet is known for its rings?
Saturn
What is the second-largest planet in the solar system?
Saturn
What is the main ingredient in glass?
Silica (silicon dioxide)
What is the largest organ in the human body?
Skin
What type of galaxy is the Milky Way? ⭐️
Spiral
What is the smallest bone in the human body?
Stapes
What is the process by which ice changes directly into vapor?
Sublimation
Which organ in the human body is responsible for pumping blood?
The heart
What is the powerhouse of the cell?
The mitochondria
What is the name of the largest moon of Saturn?
Titan
What is the heaviest naturally occurring element?
Uranium
Who was the first female astronaut in space? ⭐️
Valentina Tereshkova
Which planet is the hottest in the solar system?
Venus
What is the only letter that does not appear in the periodic table? ⭐
J
What did Alfred Nobel invent? ⭐
Dynamite
Which gemstone is famously sourced from Myanmar? ⭐
Ruby
Which element has the atomic number 6? ⭐
Carbon
What type of rock is formed by extreme heat and pressure? ⭐
Metamorphic rock