Science 🧪

Question 1

How many elements are there in the periodic table of elements?

Answer 1

118

Question 2

How many bones are in the human body? ⭐️

Answer 2

206

Question 3

What is the boiling point of water at sea level in Celsius?

Answer 3

100°C

Question 4

What is the rarest blood type?

Answer 4

AB-

Question 5

Who developed the theory of relativity?

Answer 5

Albert Einstein

Question 6

Who is known as the father of modern physics?

Answer 6

Albert Einstein

Question 7

Who is considered the father of modern chemistry? ⭐️

Answer 7

Antoine Lavoisier

Question 8

What is the rarest naturally occuring element on earth? ⭐️

Answer 8

Astatine

Question 9

What is the smallest unit of matter?

Answer 9

Atom

Question 10

What is the chemical symbol for gold?

Answer 10

Au (number 79)

Question 11

What is the instrument used to measure atmospheric pressure?

Answer 11

Barometer

Question 12

What gas do plants absorb from the atmosphere during photosynthesis?

Answer 12

Carbon dioxide

Question 13

What is the chemical formula for methane?

Answer 13

CH₄

Question 14

Who wrote the scientific book “On the Origin of Species”?

Answer 14

Charles Darwin

Question 15

What does DNA stand for? ⭐️

Answer 15

Deoxyribonucleic Acid

Question 16

What is the hardest natural substance on Earth?

Answer 16

Diamond

Question 17

Fastest regenerating organ? ⭐️

Answer 17

Eye

Question 18

What is the largest bone in the human body? ⭐️

Answer 18

Femur

Question 19

What is the term for the time it takes for half of a radioactive substance to decay?

Answer 19

Half-life

Question 20

What is the term for animals that feed only on plants?

Answer 20

Herbivores

Question 21

Which part of the brain is associated with emotion and memory?

Answer 21

Hippocampus

Question 22

What is the name of the bone found in the upper arm?

Answer 22

Humerus

Question 23

Which element has the atomic number 1?

Answer 23

Hydrogen

Question 24

What does the “H” stand for in H2O?

Answer 24

Hydrogen

Question 25

Who discovered the law of gravity?

Answer 25

Isaac Newton

Question 26

What is the largest internal organ in the human body?

Answer 26

Liver

Question 27

What is the process by which a caterpillar becomes a butterfly?

Answer 27

Metamorphosis

Question 28

What is the term for a naturally occurring solid material with a definite chemical composition?

Answer 28

Mineral

Question 29

What is the powerhouse of the cell?

Answer 29

Mitochondria

Question 30

What is the chemical symbol for sodium?

Answer 30

Na

Question 31

What is the chemical formula for table salt?

Answer 31

NaCl

Question 32

What is the unit of force in the International System of Units?

Answer 32

Newton

Question 33

What is the most abundant gas in Earth's atmosphere?

Answer 33

Nitrogen

Question 34

What are the names of the polar lights? ⭐️

Answer 34

North: Aurora borealis / South: Aurora australis

Question 35

What is the most common blood type worldwide? ⭐️

Answer 35

O+

Question 36

What is the term for the movement of water molecules through a semipermeable membrane?

Answer 36

Osmosis

Question 37

What is the most common element in the Earth's crust? ⭐️

Answer 37

Oxygen

Question 38

What is the name of the process by which plants make their food?

Answer 38

Photosynthesis

Question 39

What is the process plants use to absorb carbon dioxide?

Answer 39

Photosynthesis

Question 40

What is the currency of the United Kingdom?

Answer 40

Pound Sterling

Question 41

What is the common name for sodium chloride? ⭐️

Answer 41

Salt

Question 42

What is the main ingredient in glass?

Answer 42

Silica (silicon dioxide)

Question 43

What is the largest organ in the human body? ⭐️

Answer 43

Skin

Question 44

What type of galaxy is the Milky Way? ⭐️

Answer 44

Spiral

Question 45

What is the smallest bone in the human body?

Answer 45

Stapes

Question 46

What is the process by which ice changes directly into vapor?

Answer 46

Sublimation

Question 47

Which organ in the human body is responsible for pumping blood?

Answer 47

Heart

Question 48

What is the name of the largest moon of Saturn?

Answer 48

Titan

Question 49

What is the only letter that does not appear in the periodic table? ⭐

Answer 49

J

Question 50

What did Alfred Nobel invent? ⭐

Answer 50

Dynamite

Question 51

Which gemstone is famously sourced from Myanmar? ⭐

Answer 51

Ruby

Question 52

Which element has the atomic number 6? ⭐

Answer 52

Carbon

Question 53

What type of rock is formed by extreme heat and pressure? ⭐

Answer 53

Metamorphic rock

Question 54

Which element has the highest atomic number that occurs naturally? ⭐️

Answer 54

Uranium

Question 55

What is the second most abundant element in Earth's crust? ⭐️

Answer 55

Silicon

Question 56

Which element is the basis of organic chemistry? ⭐️

Answer 56

Carbon

Question 57

How many chromosomes do humans have? ⭐️


Answer 57

46

Question 58

What protein carries oxygen in the blood? ⭐️

Answer 58

Hemoglobin

Question 59

What is the name of the cell structure that contains genetic material? ⭐️

Answer 59

Nucleus

Question 60

What are shared electron pairs called? ⭐️

Answer 60

Covalent bonds

Question 61

Which scientist discovered the Heck reaction? ⭐️

Answer 61

Richard Heck

Question 62

What particle mediates the electromagnetic force? ⭐️

Answer 62

Photon

Question 63

What is the chemical formula for rust? ⭐️

Answer 63

Fe₂O₃

Question 64

What element is named after the Sun? ⭐️

Answer 64

Helium

Question 65

What was brimstone historically called in modern chemical terms? ⭐️

Answer 65

Sulfur

Question 66

Which part of the body produces red blood cells? ⭐️

Answer 66

Bone marrow

Question 67

What strengthens tooth enamel? ⭐️

Answer 67

Fluoride

Question 68

What is the chemical symbol Hg? ⭐️

Answer 68

Mercury

Question 69

What does pH stand for? ⭐️

Answer 69

Potential of Hydrogen

Question 70

Which element was named after the folklore creature “kobold”? ⭐️

Answer 70

Cobalt