Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

SCIENCE TRIVIA GRADE 2-3

Total questions: 215

Worksheet time: 2hrs 48mins

Name
Class
Date
1.

What is the nearest planet to the sun?

a)

Mercury

b)

Saturn

2.

How many teeth does an adult human have?

a)

32

b)

31

3.

What is the largest planet in the solar system?

a)

Jupiter

b)

Saturn

4.

What is the hottest planet in the solar system?

a)

Venus

b)

Earth

5.

What is the largest known land animal?

a)

Elephant

b)

giraffe

6.

what is the largest known animal on earth?

a)

Blue whale

b)

elephant

7.

How many elements are there in the periodic table?

a)

118

b)

100

8.

Where can you find the smallest bone in the human body?

a)

middle ear

b)

nose

9.

How many hearts does an octopus have?

a)

3

b)

2

10.

What is the tallest type of grass?

a)

bermuda

b)

bamboo

11.

What is the hardest known natural material?

a)

diamond

b)

silver

12.

Who invented the first battery?

a)

Alessandro Volta

b)

Thomas Edison

13.

How many legs do spiders have?

a)

9

b)

8

14.

What is the smallest biological unit of a living organism?

a)

cell

b)

Tissue

15.

What is the symbol for Potassium?

a)

K

b)

P

16.

Who invented the telescope?

a)

Hans Lippershey

b)

Galileo Galilei

17.

What is Jupiter's largest moon?

a)

Calisto

b)

Ganymede

18.

What is the hottest planet in our solar system?

a)

Venus

b)

Mars

19.

Where are the longest and strongest bones in the body located?

a)

thigh

b)

head

20.

what is the longest bone in the body?

a)

fibula

b)

femur

21.

How many smells can the human nose detect?

a)

35

b)

1 Trillions

22.

What two parts of the human body never stop growing?

a)

nose and ear

b)

hand and feet

23.

How many times per day does the human heart beat?

a)

200,000

b)

100,000

24.

What's the smallest bone in the human body?

a)

Stapes

b)

pinna

25.

What is the oldest mammal in the world?

a)

bowhead whales

b)

elephant

26.

What is the largest mammal on Earth?

a)

dolphin

b)

blue whale

27.

Who invented the mobile phone?

a)

Martin Cooper

b)

Joseph Henry

28.

Which mobile phone company makes the iPhone?

a)

Vivo

b)

Apple

29.

What is the name of the largest ocean on earth?

a)

Indian Ocean

b)

Pacific Ocean

30.

What is the biggest Island in the World?

a)

Greenland

b)

New Guinea

31.

What is the brightest star in the sky at night?

a)

canapus

b)

Sirius

32.

How Many Bones Are There In The Human Body?

a)

106

b)

206

33.

What is the rarest blood type?

a)

AB-

b)

O

34.

Where is the world’s most active volcano located?

a)

Japan

b)

Hawaii

35.

What is the largest internal organ of the human body?

a)

liver

b)

kidney

36.

About how old is Earth?

a)

4.5 million years

b)

4.5 billion years

37.

What is the sun mostly made up of?

a)

hydrogen

b)

oxygen

38.

Who was the first woman in space?

a)

Svetlana Savitskaya

b)

Valentina Tereshkova

39.

What color catches the eye first?

a)

blue

b)

yellow

40.

Who was the first person to walk on the moon?

a)

Neil Armstrong

b)

Buzz Aldrin

41.

Who invented the microscope?

a)

Zacharias Janssen

b)

Carolus Linnaeus

42.

Who was the first man to see bacteria?

a)

Alessandro Volta

b)

Antoni van Leeuwenhoek

43.

Where does sound travels faster, either in water or air?

a)

air

b)

water

44.

Who studies living animals?

a)

Zoologist

b)

botanist

45.

What phenomena keep the planets in orbit around the sun?

a)

gravity

b)

force

46.

What causes a solar eclipse?

a)

sun moves between the moon

b)

The moon moves between the sun and Earth

47.

What kind of blood type is known as the universal donor?

a)

O-

b)

A-

48.

What is the smallest unit of matter?

a)

atom

b)

cell

49.

What part of the brain controls hunger?

a)

hypothalamus

b)

cerebellum

50.

What is the largest nerve in the human body?

a)

sciatic

b)

sacral

51.

What is the fattiest human organ?

a)

heart

b)

brain

52.

The Oldest Living Tree Is 4,843 Years Old And Can Be Found Where?

a)

Canada

b)

California

53.

What Metal Is The Best Conductor Of Electricity?

a)

silver

b)

gold

54.

What is known as the fastest land snake on the ground and based on strike speed?

a)

Anaconda

b)

Black Mamba

55.

What Is The Scientific Name For The Trunk Of An Elephant?

a)

Antennae

b)

Proboscis

56.

How many bones are there in the infant human body?

a)

200

b)

300

57.

Who is the father of the periodic table?

a)

Dmitri Mendeleev

b)

Alexander Fleming

58.

What does DNA stand for?

a)

deoxoyribonucleic acid

b)

deoxyribonucleic acid

59.

How much does the human brain weigh?

a)

About 5 lbs

b)

About 3 lbs

60.

Who is credited with the discovery of Electricity?

a)

Sir Isaac Newton

b)

Benjamin Franklin

61.

Who invented telephone?

a)

Alexander Graham bell

b)

Charles Baggage

62.

where the heart of shrimp located?

a)

head

b)

tail

63.

What strong flexible tissue holds bones to other bones to support the joints?

a)

Ligaments

b)

tendons

64.

What is the scientific or medical name for the skull?

a)

Cranium

b)

cerebrum

65.

What are animals called who only eat plants?

a)

omnivores

b)

herbivores.

66.

What process do bats use to locate their prey?

a)

Echolocation

b)

hearing

67.

What metal is found at the center of the Earth?

a)

iron and nickel

b)

metal

68.

What was Earth’s supercontinent called?

a)

Asia

b)

Pangaea

69.

What two elements is water made of?

a)

Hydrogen and Oxygen.

b)

carbon and helium

70.

What type of animal was Laika?

a)

dog

b)

cat

71.

This animal’s fingerprints closely resemble that of humans. So much so in fact, that inspecting its fingerprint side by side with a human print might make it impossible to differentiate. What animal is it?

a)

panda

b)

Koala

72.

What are the only two egg-laying mammals in existence in the world today?

a)

Echidna and Platypus

b)

dolphin and whale

73.

What is the fastest fish in the Ocean?

a)

Swordfish

b)

Sailfish

74.

What's the name of the planet's largest hot desert?

a)

Mojave Desert

b)

Sahara Desert.

75.

What gives us low tides in the ocean?

a)

moon

b)

sun

76.

What gases make up the air we breathe?

a)

Nitrogen and oxygen

b)

hydrogen

77.

What is the largest flower in the word?

a)

Rafflesia arnoldii

b)

Hibiscus

c)

sunflower

78.

Who discovered gravity?

a)

Galileo

b)

Isaac Newton

c)

Charles Babbage

79.

What instrument measures atmospheric water vapor?

a)

hydrometer

b)

barometer

c)

thermometer

80.

Animals that eat both plants and meat are called what?

a)

omnivores

b)

carnivores

81.

Yeast is a type of ____.

a)

Bacterium

b)

Fungus

c)

Animal

82.

Which bird has the largest wingspan?

a)

wandering albatross

b)

great white pelican

c)

bald eagle

83.

What is the name of the galaxy to which our solar system belongs?

a)

sun

b)

moon

c)

Milky Way

84.

where is the highest mountain in the world located?

a)

Indonesia

b)

U.S.A

c)

Nepal

85.

Which of the following is the satellite of earth?

a)

moon

b)

Jupiter

c)

sun

86.

What is the hardest substance in our body?

a)

hair

b)

tooth enamel

c)

bone

87.

What is the horn of a rhinoceros made of?

a)

blood

b)

keratin

c)

wood

88.

Dolly was the first-ever cloned animal. What animal was she?

a)

Goat

b)

Cow

c)

Sheep

89.

What was the first animal to go into orbit?

a)

dog

b)

cat

c)

bird

90.

What was the first animal to go into orbit?

a)

dog

b)

cat

c)

bird

91.

What is considered the highest mountain in Africa?

a)

Mount Stanley

b)

Mount Kilimanjaro

c)

Mount Kenya

92.

​What is the deepest lake?

a)

Lake Baikal

b)

Caspian Sea

c)

Lake Vostok

93.

What was the first planet discovered with the aid of a telescope?

a)

Jupiter

b)

Saturn

c)

Uranus

94.

When a large star collapses under its own weight, what does it become?

a)

A Blackhole

b)

A universe

c)

A galaxy

95.

When we talk about a star’s brightness, we refer to its what?

a)

color

b)

shape

c)

magnitude

96.

Where does the Sun Where does the Sun generate it’s energy?

a)

moon

b)

asteroid

c)

core

97.

Where is hemoglobin found?

a)

In White Blood Cell

b)

In our Brain

c)

In Red Blood Cells

98.

What do waves transfer?

a)

oxygen

b)

energy

c)

force

99.

When was Ozone hole discovered?

a)

1975

b)

1965

c)

1985

100.

Who was the one to discover penicillin in 1928?

a)

Sir Alexander Fleming

b)

Alexander the Great

c)

Isaac Newton

101.

What is the name given to the trees that never lose leaves?

a)

evergreen

b)

yellow green

c)

green tree

102.

Who was the first pilot to fly?

a)

twin brothers

b)

Wright Brothers

c)

Bright brothers

103.

Who is the astronomer who confirmed that the sun is at the center of the solar system?

a)

Galileo Galilei

b)

Nicolas Copernicus

c)

Alexander Graham bell

104.

Who polish astronomer demonstrated in 1512 that the sun is the center of the solar system?

a)

Galileo Galilei

b)

Nicolaus Copernicus

c)

Martin Cooper

105.

Titan is the moon of which planet?

a)

Uranus

b)

Saturn

c)

Neptune

106.

What is the name of the smallest planet in the solar system?

a)

Earth

b)

Mercury

c)

Mars

107.

What is happening when there is a Blood Moon in the sky?

a)

Total Solar eclipse

b)

Total Lunar eclipse

c)

Quarter Moon

108.

During a solar eclipse, which part of the Sun is visible to us?

a)

light

b)

corona

c)

circle

109.

What year has Pluto declared no longer a planet?

a)

2008

b)

2007

c)

2006

110.

What type of eclipse happens when the sun is covered, or blocked out, by the moon?

a)

Lunar eclipse

b)

Solar eclipse

c)

Quarter Moon

111.

What is the Solar System main source of energy?

a)

sun

b)

moon

c)

planet

112.

What is the Solar System main source of energy?

a)

sun

b)

moon

c)

planet

113.

In what year was the first Nobel Prize for Chemistry awarded?

a)

1910

b)

1901

c)

1895

114.

Which is the only bird in the world with an ability to fly backward?

a)

Dove

b)

Peacock

c)

Hummingbirds

115.

Name the substance that causes fever?

a)

Pyrogen

b)

fungi

c)

dirt

116.

Name the substance that causes fever?

a)

Pyrogen

b)

fungi

c)

dirt

117.

What country has the largest landmass?

a)

Russia

b)

Philippines

c)

Singapore

118.

What is a meteor called when it reaches Earth's surface?

a)

Mass

b)

Meteorite

c)

Meteorology

119.

What amphibian never sleeps?

a)

pig

b)

eagle

c)

Bullfrog

120.

Where does the most venomous spider live?

a)

Australia

b)

Hongkong

c)

Vietnam

121.

Who named the Pacific Ocean?

a)

Andres Bonifacio

b)

Ferdinand Magellan

c)

Jose Rizal

122.

Who was the first woman pilot to fly solo across the Atlantic?

a)

Elizabeth Blackwell

b)

Marie Curie

c)

Amelia Earhart

123.

What is Earth's largest continent?

a)

Africa

b)

Asia

c)

Europe

124.

What element did Joseph Priestley discover in 1774?

a)

helium

b)

hydrogen

c)

oxygen

125.

Optics is the study of what?

a)

air

b)

light

c)

rain

126.

According to Apollo astronauts, the Moon smells like what?

a)

smoke

b)

Burnt gunpowder

c)

gas

127.

Who begins food chains?

a)

Producers

b)

consumers

c)

predator

128.

Who is considered the “father” of organic chemistry?

a)

Thomas Edison

b)

Friedrich Wöhler

c)

Martin Cooper

129.

What is the study of plant life called?

a)

helminthology

b)

anatomy

c)

Botany

130.

Who first proposed the concept of contact lenses?

a)

Isaac Newton

b)

Albert Einstein

c)

Leonardo da Vinci

131.

What is the smallest organ in the human body?

a)

liver

b)

pineal gland

c)

ear

132.

What country experiences the most tornadoes?

a)

Singapore

b)

United States

c)

Vietnam

133.

What is another name for a tidal wave?

a)

Typhoon

b)

Tsunami

c)

Tornado

134.

When a gas changes into a liquid, it is called what?

a)

Evaporation

b)

Condensation

c)

Sublimation

135.

What is it called when a solid changes directly into a gas?

a)

Sublimation

b)

Condensation

c)

Evaporation

136.

What is the world’s largest Hydroelectric Power Plant?

a)

Magat Dam

b)

Three Gorges Dam

c)

San Roque Dam

137.

What is the world’s largest Hydroelectric Power Plant?

a)

Magat Dam

b)

Three Gorges Dam

c)

San Roque Dam

138.

When is Neil Armstrong landing on the moon?

a)

July 20, 1969

b)

July 21, 1970

c)

July 22, 1971

139.

What is the term for the movement of solid particles of the earth?

a)

Wind Storm

b)

Weathering

c)

Erosion

140.

What do we call molten rock when it is inside the earth?

a)

Volcano

b)

Lava

c)

Magma

141.

What do we call molten rock when it is outside the earth?

a)

Volcano

b)

Magma

c)

Lava

142.

What is the outside layer of the earth called?

a)

Lava

b)

Core

c)

Crust

143.

Who study the weather and other atmospheric condition?

a)

Zoologist

b)

Biologist

c)

Meteorologist

144.

What is the role of an organism in its environment?

a)

Adaptation

b)

Habitat

c)

Niche

145.

In which year did the first space shuttle launch?

a)

April 12, 1981

b)

April 13, 1982

c)

April 14, 1983

146.

Who was the first person in space?

a)

Thomas Edison

b)

Yuri Gagarin

c)

Isaac Newton

147.

What was the name of the first artificial satellite launched into space?

a)

Sputnik I

b)

Sputnik II

c)

Sputnik III

148.

A property of solid material that can be stretched.

a)

hardness

b)

elasticity

c)

malleability

149.

The ability of a material to be pressed or hammered without breaking it.

a)

 hardness

b)

malleability

c)

elasticity

150.

What do you call the ability of a material to bend without breaking

a)

hardness

b)

strength

c)

flexibility

151.

It is the ability of a material to absorb much water

a)

strength

b)

porosity

c)

flexibility

152.

What is the biggest part of the brain, taking up almost 85% of the organ?

a)

cerebellum

b)

brain stem

c)

cerebrum

153.

. 

Parts of the brain that controls your sense of balance, movement, and coordination and can make your movements work together?

a)

lobe

b)

cerebrum

c)

cerebellum

154.

Which of the following is the ability of an animal to blend in with its surrounding?

a)

matter

b)

camouflage

c)

volume

155.

 

It is a land habitat where trees cannot grow?

a)

desert

b)

tundra

c)

forest

156.

Which materials allow very little light to pass through them?

a)

transparent materials

b)

opaque materials

c)

translucent materials

157.

The green pigment in leaves

a)

Chlorophyll

b)

Veins

c)

Photosynthesis

158.

This is the male reproductive part of the flower?

a)

stamen

b)

sepal

c)

pistil

159.

What is the sounds that bounce back and forth in large and spacious areas?

a)

ecosystem

b)

echo

c)

electricity

160.

What does the “19” in “COVID-19” refer to?

a)

The coronavirus and the disease it causes were identified in 2019

b)

There are 19 symptoms of coronavirus disease.

c)

There are 19 variants of the coronavirus.

161.

The “corona” in coronavirus means:

a)

Sun

b)

Crown.

c)

Strong

162.

An effective hand sanitizer contains at least this percentage of alcohol to kill the coronavirus and other germs:

a)

60%

b)

45%

c)

30%.

163.

What are the living things that you can only see using a microscope?

a)

ecosystem

b)

microorganism

c)

matter

164.

Which of the following pulls all objects to the ground?

a)

magnet

b)

gravity

c)

. electricity

165.

Who discovered photosynthesis?

a)

Jan Ingenhousz

b)

John Dalton

c)

Thomas Edison

166.

Who was the first person to discover matter?

a)

Jan Ingenhousz

b)

John Dalton

c)

Thomas Edison

167.

Where does the production of new blood cells occur?

a)

bone marrow

b)

heart

c)

stomach

168.

What is the oxygen-carrying protein found in the red blood cells of the body?

a)

Red blood

b)

White blood

c)

Hemoglobin.

169.

What are the chemicals produced by the endocrine glands to control body functions?

a)

Hormones

b)

Heart

c)

stomach

170.

Where would you find the islets of Langerhans?

a)

Blood

b)

Pancreas.

c)

Intestine

171.

Where can we find up to 85 percent of plant life?

a)

In the oceans

b)

In Africa

c)

In rainforests

172.

What is the name of plant science or the scientific study of plant life?

a)

Ecology

b)

Botany

c)

Cytology

173.

Which of the following terms refers to the natural environment of an organism?

a)

Niche

b)

Biome

c)

Habitat

174.

Which natural process makes an organism suited to live in a specific environment?

a)

Participation

b)

Competition

c)

Adaptation

175.

Where do arboreal species live?

a)

Underwater

b)

Underground

c)

In trees

176.

The term “ecology” was coined in 1866 by a scientist from which country?

a)

Germany

b)

Denmark

c)

France

177.

Which collective word refers to a group of fish?

a)

An army

b)

A collection

c)

A school

178.

Which species of fish is Nemo in the 2003 animation “Finding Nemo”?

a)

Angelfish

b)

Rasbora

c)

Clownfish

179.

What do we call the state when animals sleep during the winter?

a)

Hibernation

b)

Radiation

c)

Migration

180.

The first Olympic Winter Games were held in which country?

a)

France

b)

The United States of America

c)

Canada

181.

The summer lasts from June to September in the northern hemisphere. When is the summertime in the southern hemisphere?

a)

From December to March

b)

From June to September

c)

From October to December

182.

In India, when did the second phase of COVID-19 vaccination start?

a)

February 2021

b)

March 2021

c)

December 2020

183.

World Health Organisation on 11 February 2020 announced an official name for the disease that is causing the 2019 novel coronavirus outbreak? What is the new name of the disease?

a)

COnV-20

b)

COVn-19

c)

COVID-19

184.

The first case of novel coronavirus was identified in .....

a)

Shanghai China

b)

Beijing China

c)

Wuhan, Hubei  China

185.

From where did coronavirus get its name?

a)

Due to their surface structure of bricks.

b)

Due to their crown-like projections

c)

Due to their leaf-like projections.

186.

When the first asteroid named Ceres was discovered?

a)

1 January, 1821

b)

12 January 1811

c)

1 January 1801

187.

Who discovered the first asteroid, 1 Ceres?

a)

Nicolaus Copernicus

b)

Giuseppe Piazzi 

c)

William Herschel

188.

Who had coined the term asteroid?

a)

Isaac Newton

b)

Carl Sagan

c)

William Herschel

189.

Which part of the electromagnetic spectrum can humans see with their eyes?

a)

Ultraviolet

b)

Visible light

c)

Gamma rays

190.

What are tsunamis caused by?

a)

earthquakes

b)

wind storms

c)

water currents

191.

If a temperature is 32 degrees Fahrenheit, what is the Celsius temperature?

a)

100

b)

0

c)

64

192.

If a temperature is 32 degrees Fahrenheit, what is the Celsius temperature?

a)

100

b)

0

c)

64

193.

If a temperature is 32 degrees Fahrenheit, what is the Celsius temperature?

a)

school

b)

pack

c)

colony

194.

How long does it take for light from the Sun to reach Earth?

a)

20 minutes 8 seconds

b)

8  minutes 20 seconds

c)

8 hours 20 minutes

195.

On what continent would you not find bees?

a)

Antarctica

b)

South America

c)

Europe

196.

What is the term for energy an object has due to its position?

a)

Potential Energy

b)

Thermal Energy

c)

Kinetic Energy

197.

 

Which of the following is the most common source of energy for brain cells in humans?

a)

Nucleic Acids

b)

Glucose

c)

Proteins

198.

What do Venus and Mercury have in common?

a)

Their surface temperatures are exactly the same

b)

They have nothing in common

c)

They don't have moons

199.

 

Which of the following objects is a conductor of electricity?

a)

Wooden Toothpick

b)

Plastic Spoon

c)

Penny

200.

What is the name for trees that never lose their leaves?

a)

Maple

b)

Evergreen

c)

Birch

201.

What force stops a ball from rolling on the ground forever?

a)

Frictional

b)

Gravitational

c)

Tension

202.

In what month is the Earth closest to the sun?

a)

January

b)

August

c)

July

203.

This theory aims to explain how Pangea became separate continents, suggesting that the movement of tectonic plates caused the mass to break off and drift into different places.

a)

The Cosmos Theory

b)

The Continental Drift Theory

c)

The Drift Theory

204.

Scientists believe that the continents of the earth were all one large landmass 280 million years ago. The moving of tectonic plates caused this mass to break off into different pieces, making up the continents as we know them today. What was this landmass called?

a)

Canada

b)

North America

c)

Pangea

205.

What system of the human body is made up of blood, blood vessels, and the heart?

a)

digestive

b)

circulatory

c)

skeletal

206.

Which animal has the longest tongue relative to its total size?

a)

lizard

b)

chameleon

c)

sun bear

207.

 

Diamonds are made up almost entirely of which element?

a)

graphite

b)

nitrogen

c)

carbon

208.

A living thing, such as a plant, that can make its own food is called a ____________

a)

Predator

b)

Producer

c)

Consumer

209.

What natural phenomena are measured by the Richter scale?

a)

Hurricane

b)

Floods

c)

Earthquake

210.

This type of heat transfer is due to direct contact.

a)

Conduction

b)

Convection

c)

Transpiration

211.

What will you find at 0 degrees latitude?

a)

The Tropic of Capricorn

b)

The Prime Meridian

c)

The Equator

212.

What will you find at 0 degrees longitude?

a)

The Tropic of Capricorn

b)

The Prime Meridian

c)

The Equator

213.

What is it called when an object is located in space?

a)

Celestial Objects

b)

Meteors

c)

Asteroids

214.

What do we call the energy of motion?

a)

potential

b)

kinetic

c)

nuclear

215.

What tube connects the mouth and the stomach?

a)

throat

b)

esophagus

c)

trachea