Science — Quiz Night questions

1What process do plants use to make food?

• Transpiration
• Digestion
• Photosynthesis
• Respiration

2What is the largest animal on Earth?

• Great white shark
• Elephant
• Blue whale
• Giraffe

3What is the fastest land animal?

• Lion
• Antelope
• Cheetah
• Horse

4Which creature makes honey?

• Dragonfly
• Ant
• Butterfly
• Bee

5Which of these is a mammal?

• Dolphin
• Crocodile
• Shark
• Octopus

6About how far does light travel in a second in a vacuum?

• 300,000 km
• 300 km
• 3 million km
• 30,000 km

7In which medium does sound not travel?

• In a vacuum
• In water
• In metal
• In air

8At sea level, at what temperature does water boil?

• 100 °C
• 80 °C
• 90 °C
• 120 °C

9What is the sound heard after lightning called?

• Thunder
• Ringing
• A rumble
• An echo

10Why does ice float on water?

• Because it contains salt
• Because it's colder
• Because it's less dense than water
• Because it's airtight

11What is the chemical formula for water?

• NaCl
• H2O
• CO2
• O2

12Which element does "O" stand for on the periodic table?

• Oxygen
• Gold
• Nitrogen
• Osmium

13Which element is diamond made of?

• Calcium
• Iron
• Carbon
• Silicon

14What is the largest planet in the solar system?

• Saturn
• Jupiter
• Earth
• Neptune

15Which planet is known as the Red Planet?

• Mars
• Mercury
• Venus
• Jupiter

16Which star is closest to Earth?

• Sirius
• Proxima Centauri
• The North Star
• The Sun

17Which planet has the most visible rings?

• Jupiter
• Neptune
• Uranus
• Saturn

18How many days does Earth take to orbit the Sun?

• 365
• 24
• 100
• 30

19What is the Moon's best-known effect on Earth?

• The seasons
• The winds
• Earthquakes
• The tides

20How many bones does an adult human have?

• 250
• 180
• 206
• 300

21Which gas do we breathe out?

• Carbon dioxide
• Oxygen
• Nitrogen
• Helium

22How many chambers does the human heart have?

• 2
• 4
• 3
• 6

23What is the largest organ in the human body?

• The liver
• The lungs
• The skin
• The intestine

24Which vitamin do we make from sunlight?

• Vitamin K
• Vitamin A
• Vitamin C
• Vitamin D

25Which organ pumps blood around the body?

• The kidney
• The heart
• The liver
• The lungs

26Which planet is closest to the Sun?

• Mars
• Mercury
• Venus
• Earth

27Which planet appears brightest in the night sky?

• Mercury
• Jupiter
• Mars
• Venus

28Which planet spins on a sideways axis?

• Uranus
• Neptune
• Jupiter
• Saturn

29What is the Sun, scientifically speaking?

• Comet
• Satellite
• Planet
• Star

30Other than the Sun, which star appears brightest in the night sky?

• The North Star
• Betelgeuse
• Vega
• Sirius

31What is the main gas that stars are made of?

• Nitrogen
• Hydrogen
• Helium
• Oxygen

32What is the name of Earth's natural satellite?

• The Moon
• Europa
• Phobos
• Titan

33About how many days does the Moon take to orbit Earth?

• 1
• 28
• 365
• 100

34Which planet in the solar system is farthest from the Sun?

• Uranus
• Neptune
• Jupiter
• Saturn

35How many natural moons does Mars have?

• 0
• 4
• 1
• 2

36What is the name of Saturn's largest moon?

• The Moon
• Europa
• Titan
• Ganymede

37Which is the largest moon in the solar system?

• The Moon
• Titan
• Ganymede
• Europa

38What do we call a space object with gravity so strong that not even light can escape it?

• Quasar
• Supernova
• Neutron star
• Black hole

39What do we call a space object that grows a bright tail as its ice evaporates near the Sun?

• Asteroid
• Comet
• Planet
• Meteor

40What is the name of the famous comet visible from Earth roughly every 76 years?

• Sputnik
• Voyager 1
• Halley's Comet
• Apollo 11

41What is the name of the famous telescope that takes pictures of space from Earth's orbit?

• Hubble Space Telescope
• Apollo 11
• Sputnik
• Voyager 1

42What is the name of the galaxy we live in?

• The Solar System
• Andromeda
• The Milky Way
• The Big Bang

43What is the nearest large galaxy to the Milky Way?

• The Milky Way
• The Big Bang
• Andromeda
• The Solar System

44What is it called when the Moon passes between the Sun and Earth?

• Lunar eclipse
• Tide
• Meteor shower
• Solar eclipse

45In which organ is the human body's smallest bone found?

• The ear
• The nose
• Hand
• The eye

46Which blood cell gives blood its red color?

• White blood cell
• Red blood cell
• Plasma
• Platelet

47Which blood cell defends the body against germs and disease?

• White blood cell
• Platelet
• Red blood cell
• Plasma

48How many main blood types are there?

• 4
• 3
• 2
• 8

49In which organ is most digested food absorbed?

• The liver
• Small intestine
• Large intestine
• The stomach

50In which organ does digestion begin?

• The mouth
• The esophagus
• The stomach
• Small intestine

51Which part of the brain controls balance and movement coordination?

• The brainstem
• The spinal cord
• The cerebellum
• The brain

52Which organ is the body's center for thinking and decision-making?

• The heart
• The kidney
• The brain
• The liver

53What is the hardest tissue in the human body?

• Bone
• Hair
• Tooth enamel
• Fingernail

54Which organ is responsible for the sense of taste?

• The nose
• The ear
• The skin
• The tongue

55Which organ is responsible for the sense of smell?

• The ear
• The tongue
• The eye
• The nose

56How many main types of muscle are there?

• 3
• 4
• 2
• 5

57What is the type of muscle attached to bones that produces body movement called?

• Smooth muscle
• Cardiac muscle
• Fat tissue
• Skeletal muscle

58What is the largest muscle in the human body?

• Back muscle
• Biceps muscle
• Calf muscle
• The gluteal muscle

59What is the liquid part of blood that carries the blood cells called?

• Serum
• Plasma
• Bile
• Lymph

60Which blood cell forms clots to stop bleeding?

• White blood cell
• Platelet
• Red blood cell
• Plasma

61Which organ filters blood to make urine?

• The spleen
• The stomach
• The kidney
• The liver

62What is the longest bone in the human body?

• Collarbone
• The thigh bone
• The spine
• Rib

63Which organ senses touch, temperature, and pain?

• The nose
• The skin
• The tongue
• The ear

64What is the freezing point of water?

• -10 °C
• 100 °C
• 0 °C
• 50 °C

65What is it called when a solid turns into a liquid on heating?

• Freezing
• Melting
• Evaporation
• Condensation

66What is it called when a liquid turns into a solid on cooling?

• Sublimation
• Melting
• Freezing
• Evaporation

67What is it called when a liquid turns into a gas on heating?

• Freezing
• Melting
• Condensation
• Evaporation

68What is it called when a gas turns into a liquid on cooling?

• Evaporation
• Condensation
• Melting
• Sublimation

69How many poles does a magnet have?

• 1
• 2
• 3
• 4

70Which metal is attracted by a magnet?

• Copper
• Aluminum
• Gold
• Iron

71Which of these materials conducts electricity best?

• Copper
• Wood
• Rubber
• Plastic

72Which unit is printed on batteries?

• Ampere
• Ohm
• Watt
• Volt

73Which unit is used to measure a light bulb's power?

• Watt
• Ohm
• Ampere
• Volt

74How many colors are there in a rainbow?

• 8
• 5
• 6
• 7

75What is the force that pulls objects toward the ground called?

• Buoyant force
• Magnetic force
• Friction
• Gravity

76What is the force that slows down a moving object called?

• Friction
• Buoyant force
• Magnetic force
• Gravity

77What is the force that makes objects feel lighter in water called?

• Gravity
• Friction
• Buoyant force
• Magnetic force

78Besides solid, liquid, and gas, what is known as the fourth state of matter?

• Smoke
• Crystal
• Vapor
• Plasma

79In which unit is the loudness of sound measured?

• Watt
• Kilogram
• Decibel
• Hertz

80What is the energy of a moving object called?

• Heat energy
• Potential energy
• Kinetic energy
• Electrical energy

81What is the stored energy of an object that is high up or stretched called?

• Potential energy
• Electrical energy
• Kinetic energy
• Heat energy

82What are materials that conduct electricity called?

• Magnet
• Conductor
• Alloy
• Insulator

83What are materials that do not conduct electricity called?

• Conductor
• Alloy
• Insulator
• Metal

84Which element does the symbol Fe represent?

• Iron
• Lead
• Copper
• Tin

85Which element does the symbol Au represent?

• Gold
• Copper
• Nickel
• Silver

86Which element does the symbol Ag represent?

• Tin
• Gold
• Iron
• Silver

87Which element does the symbol Na represent?

• Nitrogen
• Sodium
• Potassium
• Calcium

88Which element does the symbol K represent?

• Sodium
• Potassium
• Zinc
• Calcium

89Which element does the symbol Cu represent?

• Iron
• Copper
• Tin
• Zinc

90Which element does the symbol Pb represent?

• Iron
• Tin
• Zinc
• Lead

91Which element does the symbol H represent?

• Helium
• Nitrogen
• Hydrogen
• Oxygen

92Which element does the symbol Cl represent?

• Bromine
• Chlorine
• Iodine
• Fluorine

93Which element does the symbol Ca represent?

• Calcium
• Carbon
• Cobalt
• Chlorine

94Which element does the symbol Zn represent?

• Nickel
• Lead
• Tin
• Zinc

95What is the most abundant gas in the air?

• Carbon dioxide
• Nitrogen
• Hydrogen
• Oxygen

96What does an acidic substance generally taste like?

• Sweet
• Bitter
• Salty
• Sour

97Which type of substance turns litmus paper red?

• Base
• Acid
• Salt
• Metal

98What is the general chemical property of soap and detergent?

• Metal
• Neutral
• Acid
• Base

99What is the pH value of neutral water?

• 3
• 0
• 7
• 14

100Which is the only metal that is liquid at room temperature?

• Zinc
• Mercury
• Lead
• Tin

101What is it called when two or more substances come together without a chemical reaction?

• Mixture
• Compound
• Element
• Molecule

102What is the mixture formed when salt dissolves in water called?

• Element
• Acid
• Compound
• Solution

103Iron rusts as a result of reacting with which gas?

• Oxygen
• Hydrogen
• Carbon dioxide
• Nitrogen

104Which gas do plants take from the air for photosynthesis?

• Carbon dioxide
• Hydrogen
• Oxygen
• Nitrogen

105What is the smallest building block that carries the properties of an element called?

• Cell
• Ion
• Atom
• Molecule

106How many legs do spiders have?

• Eight
• Ten
• Four
• Six

107What is the process of a caterpillar turning into a butterfly called?

• Photosynthesis
• Incubation
• Metamorphosis
• Pollination

108What is the long winter sleep of some animals called?

• Migration
• Hibernation
• Incubation
• Metamorphosis

109What covers a bird's body?

• Hair
• Scales
• Feathers
• Spines

110What do bats use to find their way in the dark?

• Sound waves
• Heat
• Smell
• Light

111What do camels store in their humps?

• Sand
• Fat
• Water
• Air

112Where do polar bears live in the wild?

• The Amazon rainforest
• The Sahara
• The Arctic
• Antarctica

113Among peafowl, which one spreads the big colourful tail?

• The male
• All of them
• The female
• The chicks

114Where do sea turtles lay their eggs?

• On the beach
• On tree branches
• In coral reefs
• On the seabed

115Which part of a plant absorbs water and minerals from the soil?

• The leaf
• The root
• The fruit
• The flower

116Which gas do plants release into the air during photosynthesis?

• Oxygen
• Carbon dioxide
• Helium
• Nitrogen

117What is the carrying of pollen from one flower to another called?

• Germination
• Pollination
• Pruning
• Watering

118What do the rings in a tree trunk show?

• The soil moisture
• The tree species
• The wind direction
• The tree's age

119What are trees that keep their leaves all year called?

• Deciduous trees
• Evergreen trees
• Fruit trees
• Dwarf trees

120What are animals that eat only plants called?

• Omnivores
• Herbivores
• Carnivores
• Parasites

121What are the living things that break down dead plants and animals called?

• Producers
• Predators
• Herbivores
• Decomposers

122What is the cycle of water evaporating, forming clouds and falling as rain called?

• Erosion
• The carbon cycle
• The food chain
• The water cycle

123Which instrument measures wind speed?

• Thermometer
• Barometer
• Anemometer
• Compass

124What is a violent funnel-shaped spinning storm over land called?

• Avalanche
• Tornado
• Flood
• Landslide

125What does sunlight bent by raindrops create in the sky?

• Lightning
• Snow
• A rainbow
• Fog