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Science Quiz on Planets and Plants

Total questions: 82

Worksheet time: 41mins

Name
Class
Date
1.

Which planet is known as the Red Planet?

a)

Earth

b)

Mars

c)

Jupiter

d)

Venus

2.

What do we call the star at the center of our solar system?

a)

Moon

b)

Earth

c)

Sun

d)

Polaris

3.

Which object orbits a planet?

a)

Asteroid

b)

Comet

c)

Moon

d)

Star

4.

Which planet is the largest in our solar system?

a)

Saturn

b)

Jupiter

c)

Mars

d)

Mercury

5.

What do astronauts wear to stay safe in space?

a)

Raincoat

b)

Spacesuit

c)

Tracksuit

d)

Apron

6.

What causes day and night on Earth?

a)

Earth's rotation

b)

Moon's orbit

c)

Sun's movement

d)

Clouds

7.

Which planet is closest to the Sun?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

8.

What is a group of stars that forms a pattern called?

a)

Planet

b)

Galaxy

c)

Constellation

d)

Comet

9.

What do we call the path a planet follows around the Sun?

a)

Orbit

b)

Rotation

c)

Tilt

d)

Leap

10.

Which planet has rings made of ice and rock?

a)

Neptune

b)

Saturn

c)

Uranus

d)

Mars

11.

Which space object is made of ice and dust and has a glowing tail?

a)

Asteroid

b)

Meteor

c)

Comet

d)

Satellite

12.

What do we call a small rocky body that orbits the Sun, mostly between Mars and Jupiter?

a)

Comet

b)

Asteroid

c)

Moon

d)

Star

13.

Which organ pumps blood around the body?

a)

Liver

b)

Lungs

c)

Heart

d)

Kidney

14.

Which sense do we use to smell?

a)

Taste

b)

Touch

c)

Sight

d)

Smell

15.

Which body part helps us breathe in oxygen?

a)

Stomach

b)

Lungs

c)

Skin

d)

Teeth

16.

Which part of the body helps us walk and run?

a)

Hands

b)

Feet/Legs

c)

Eyes

d)

Ears

17.

Which organ helps digest food by producing bile?

a)

Kidney

b)

Liver

c)

Heart

d)

Lungs

18.

What do we call the hard material that protects our teeth?

a)

Bone

b)

Enamel

c)

Cartilage

d)

Muscle

19.

Which part of the brain controls balance and coordination?

a)

Cerebellum

b)

Heart

c)

Kidney

d)

Lungs

20.

Which body system includes bones and joints?

a)

Digestive system

b)

Circulatory system

c)

Nervous system

d)

Skeletal system

21.

Which cells carry oxygen in the blood?

a)

White blood cells

b)

Platelets

c)

Red blood cells

d)

Nerve cells

22.

Which organ removes waste from the blood and makes urine?

a)

Skin

b)

Lungs

c)

Kidney

d)

Liver

23.

Which part of the eye controls how much light enters?

a)

Iris

b)

Eyelash

c)

Pupil

d)

Cornea

24.

Which muscle helps you lift objects and is found at the front of the upper arm?

a)

Biceps

b)

Calf

c)

Quadriceps

d)

Triceps

25.

What part of a plant holds it in the soil?

a)

Stem

b)

Leaf

c)

Root

d)

Flower

26.

Which part makes food for the plant using sunlight?

a)

Root

b)

Flower

c)

Leaf

d)

Seed

27.

What is the process called when plants make food using sunlight?

a)

Respiration

b)

Photosynthesis

c)

Digestion

d)

Evaporation

28.

Which part of a plant becomes a fruit after pollination?

a)

Root

b)

Stem

c)

Flower

d)

Leaf

29.

What do plants need to grow? (Pick the best)

a)

Sunlight, water and soil

b)

Only sunlight

c)

Only water

d)

Only soil

30.

What is the tiny baby plant inside a seed called?

a)

Seedling

b)

Pollen

c)

Fungus

d)

Bark

31.

Which gas do plants take in to make food?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Hydrogen

32.

Which part carries water and nutrients up from the roots?

a)

Stem

b)

Leaf

c)

Seed

d)

Flower

33.

What do we call plants that live for many years?

a)

Annuals

b)

Biennials

c)

Perennials

d)

Seedlings

34.

Which part protects seeds until they are ready to grow?

a)

Fruit or seed coat

b)

Root tip

c)

Leaf vein

d)

Stem node

35.

Which plants make cones instead of flowers (e.g., pine trees)?

a)

Flowering plants

b)

Ferns

c)

Conifers

d)

Mosses

36.

Which part of the plant is usually green and makes food?

a)

Flower

b)

Leaf

c)

Root

d)

Fruit

37.

Which nutrient is the main source of energy for our body?

a)

Proteins

b)

Fats

c)

Carbohydrates

d)

Vitamins

38.

Which food is a good source of protein?

a)

Bread

b)

Eggs

c)

Apple

d)

Butter

39.

Which vitamin do we get from sunlight that helps our bones?

a)

Vitamin C

b)

Vitamin A

c)

Vitamin D

d)

Vitamin B

40.

Which nutrient helps build and repair body tissues?

a)

Carbohydrates

b)

Proteins

c)

Fats

d)

Water

41.

Which food group gives us vitamins and minerals mostly?

a)

Fruits and vegetables

b)

Sweets

c)

Oils

d)

Salt

42.

What should we drink most to stay healthy?

a)

Soda

b)

Juice

c)

Water

d)

Milkshake

43.

Which mineral is important for healthy teeth and bones?

a)

Iron

b)

Calcium

c)

Copper

d)

Zinc

44.

Which of these is a healthy fat source?

a)

French fries

b)

Olive oil

c)

Candy

d)

Soda

45.

Which mineral is essential for healthy teeth and bones?

a)

Iron

b)

Calcium

c)

Copper

d)

Zinc

46.

Which of these is a healthy fat source?

a)

French fries

b)

Olive oil

c)

Candy

d)

Soda

47.

Which food should we eat in small amounts because it is sugary?

a)

Fruits

b)

Vegetables

c)

Sweets and candies

d)

Legumes

48.

Which meal helps give your body a good start in the morning?

a)

Breakfast

b)

Dinner

c)

Snack

d)

Late-night meal

49.

Which food helps keep our digestive system healthy because of fiber?

a)

Leafy vegetables

b)

Soda

c)

Chips

d)

Ice cream

50.

What happens to sugar when it dissolves in water?

a)

It disappears completely

b)

It becomes water

c)

It mixes to make a sweet solution

d)

It turns into salt

51.

Which kitchen item can be used to separate pebbles from sand?

a)

Spoon

b)

Filter paper

c)

Sieve (strainer)

d)

Fork

52.

If you put an ice cube in warm water, what happens?

a)

It grows

b)

It melts

c)

It becomes salt

d)

It turns solid

53.

Which of these sinks in water?

a)

Wooden stick

b)

Plastic bottle (empty)

c)

Stone

d)

Soap bar

54.

Which gas is released when vinegar reacts with baking soda?

a)

Oxygen

b)

Carbon dioxide

c)

Hydrogen

d)

Nitrogen

55.

Which kitchen liquid cleans grease from dishes easily?

a)

Oil

b)

Water only

c)

Dishwashing soap

d)

Milk

56.

What happens when you heat oil in a pan for a long time?

a)

It freezes

b)

It smokes and may burn

c)

It becomes water

d)

It turns into sugar

57.

Which is a safe way to cool hot food quickly?

a)

Leave at room temperature for days

b)

Put in a cold-water bath

c)

Touch with bare hands

d)

Put in direct sunlight

58.

What does vinegar taste like?

a)

Sweet

b)

Bitter

c)

Sour

d)

Salty

59.

Which liquid is best to put out a small grease fire in a pan?

a)

Water

b)

Flour

c)

Salt

d)

Cover with a lid and turn off heat

60.

What color does baking soda turn when mixed with lemon juice (acid)?

a)

Blue

b)

No change

c)

It fizzes; pH indicator would turn red/pink if present

d)

Turns into solid

61.

What is heat a form of?

a)

Light

b)

Energy

c)

Matter

d)

Sound

62.

Which scale do we commonly use to measure temperature in India?

a)

Fahrenheit

b)

Kelvin

c)

Celsius

d)

Rankine

63.

What happens to most substances when heated?

a)

They contract

b)

They expand

c)

They disappear

d)

They become colder

64.

Which material is a good conductor of heat?

a)

Wood

b)

Plastic

c)

Metal

d)

Rubber

65.

What protects you from heat from the Sun when you wear it?

a)

Umbrella or hat

b)

Thin glass

c)

Metal sheets

d)

Rubber gloves

66.

What do we call the transfer of heat by moving air or liquid?

a)

Conduction

b)

Convection

c)

Radiation

d)

Friction

67.

Which object would feel coolest in sunlight: a black shirt or a white shirt?

a)

Black shirt

b)

White shirt

c)

Both same

d)

Can't tell

68.

What device measures temperature?

a)

Barometer

b)

Thermometer

c)

Scale

d)

Clock

69.

Which process uses heat to change a solid into a liquid?

a)

Condensation

b)

Freezing

c)

Melting

d)

Sublimation

70.

Which material insulates and keeps things hot or cold?

a)

Wool or foam

b)

Metal

c)

Glass

d)

Sand

71.

What is the main source of heat for Earth?

a)

The Moon

b)

The Sun

c)

Volcanoes only

d)

Rocks

72.

Which part of the computer is used to type?

a)

Mouse

b)

Keyboard

c)

Monitor

d)

Printer

73.

Which device shows what the computer is doing on screen?

a)

Speaker

b)

Monitor

c)

Keyboard

d)

Scanner

74.

What is the brain of the computer called?

a)

CPU

b)

Mouse

c)

Hard disk

d)

Printer

75.

Which device is used to point and click on things on the screen?

a)

Keyboard

b)

Monitor

c)

Mouse

d)

Speaker

76.

Which is used to store files long-term on a computer?

a)

RAM

b)

Hard drive or SSD

c)

CPU

d)

Monitor

77.

What do we call a program that helps us write documents (like Microsoft Word)?

a)

Spreadsheet

b)

Browser

c)

Word processor

d)

Antivirus

78.

Which of these is an example of an input device?

a)

Printer

b)

Monitor

c)

Scanner

d)

Speaker

79.

Which key combination is commonly used to copy selected items?

a)

Ctrl + V

b)

Ctrl + C

c)

Ctrl + X

d)

Alt + F4

80.

What do we call the pictures on the computer screen that start a program?

a)

Folders

b)

Icons

c)

Ports

d)

Cables

81.

What helps protect a computer from harmful programs?

a)

Antivirus software

b)

Web browser

c)

Calculator

d)

Notepad

82.

Which part connects the computer to the internet using wires?

a)

USB port

b)

HDMI

c)

Ethernet port

d)

Audio jack