Free Printable Science Competition Revision Questions (Grade 1

1.

Which of these is a living thing?

a)

Stone

b)

Table

c)

Cat

d)

Book

2.

Living things need ____ to survive.

a)

Toys

b)

Food

c)

Rocks

d)

Plastic

3.

Which is non-living?

a)

Fish

b)

Tree

c)

Chair

d)

Bird

4.

Which living thing can grow?

a)

Car

b)

Plant

c)

Pencil

d)

Spoon

5.

Which sense organ helps us see?

a)

Nose

b)

Eyes

c)

Ears

d)

Skin

6.

Which sense helps us smell?

a)

Eyes

b)

Tongue

c)

Nose

d)

Ears

7.

Which sense organ helps us hear?

a)

Eyes

b)

Nose

c)

Ears

d)

Hands

8.

Living things can ____.

a)

Eat

b)

Break

c)

Rust

d)

Melt

9.

Which is made by humans?

a)

River

b)

Mountain

c)

Chair

d)

Tree

10.

Which is natural?

a)

Plastic bottle

b)

Paper

c)

River

d)

Chair

11.

Which living thing moves by itself?

a)

Rock

b)

Car

c)

Dog

d)

Table

12.

Which living thing needs sunlight?

a)

Plant

b)

Cat

c)

Bird

d)

Fish

13.

Which sense helps us taste food?

a)

Nose

b)

Eyes

c)

Tongue

d)

Skin

14.

Which is a non-living object?

a)

Grass

b)

Flower

c)

Book

d)

Bird

15.

Which of these grows bigger over time?

a)

Chair

b)

Shoe

c)

Tree

d)

Ball

16.

Which part of the plant makes food?

a)

Root

b)

Stem

c)

Leaf

d)

Flower

17.

Roots help plants to ____.

a)

Make food

b)

Absorb water

c)

Make seeds

d)

Fly

18.

Which part holds the plant upright?

a)

Leaf

b)

Root

c)

Stem

d)

Flower

19.

Which part becomes fruit?

a)

Leaf

b)

Root

c)

Flower

d)

Stem

20.

Which animal lives on land?

a)

Fish

b)

Whale

c)

Cow

d)

Octopus

21.

Which animal lives in water?

a)

Dog

b)

Fish

c)

Bird

d)

Cat

22.

Herbivores eat ____.

a)

Meat

b)

Plants

c)

Fish

d)

Insects

23.

Carnivores eat ____.

a)

Plants

b)

Fruits

c)

Animals

d)

Leaves

24.

Omnivores eat ____.

a)

Plants only

b)

Meat only

c)

Plants and meat

d)

Grass only

25.

Which animal lays eggs?

a)

Dog

b)

Cow

c)

Hen

d)

Goat

26.

Which animal has gills?

a)

Bird

b)

Fish

c)

Cow

d)

Dog

27.

Frogs are ____.

a)

Reptiles

b)

Amphibians

c)

Mammals

d)

Birds

28.

Which animal has feathers?

a)

Cat

b)

Fish

c)

Bird

d)

Cow

29.

Which animal feeds milk to its young?

a)

Hen

b)

Frog

c)

Cow

d)

Snake

30.

Which animal is nocturnal?

a)

Cow

b)

Owl

c)

Dog

d)

Hen

31.

Pollination helps plants to ____.

a)

Grow leaves

b)

Make seeds

c)

Absorb water

d)

Make roots

32.

Seeds can be dispersed by ____.

a)

Wind

b)

Water

c)

Animals

d)

All of the above

33.

Which animal is a herbivore?

a)

Lion

b)

Tiger

c)

Cow

d)

Cat

34.

Which animal lives both on land and in water?

a)

Fish

b)

Frog

c)

Cow

d)

Bird

35.

Which animal uses lungs to breathe?

a)

Fish

b)

Frog

c)

Cow

d)

Crab

36.

Which organ pumps blood?

a)

Brain

b)

Lungs

c)

Heart

d)

Stomach

37.

Which organ helps us breathe?

a)

Heart

b)

Brain

c)

Lungs

d)

Liver

38.

Which organ helps us think?

a)

Brain

b)

Heart

c)

Stomach

d)

Lungs

39.

Food is digested in the ___.

a)

Brain

b)

Stomach

c)

Lungs

d)

Heart

40.

Which body system helps us move?

a)

Digestive

b)

Skeletal

c)

Nervous

d)

Respiratory

41.

The skeleton protects ___.

a)

Skin

b)

Muscles

c)

Internal organs

d)

Hair

42.

Which habit keeps us healthy?

a)

Eating junk food

b)

Sleeping late

c)

Exercising

d)

Skipping meals

43.

Brushing teeth prevents ___.

a)

Fever

b)

Tooth decay

c)

Cough

d)

Cold

44.

Which food is healthy?

a)

Candy

b)

Chips

c)

Fruits

d)

Soda

45.

Which vitamin do we get from sunlight?

a)

Vitamin A

b)

Vitamin B

c)

Vitamin C

d)

Vitamin D

46.

Washing hands removes ___.

a)

Water

b)

Germs

c)

Soap

d)

Dirt only

47.

Which system controls our actions?

a)

Skeletal

b)

Digestive

c)

Nervous

d)

Respiratory

48.

Which organ absorbs nutrients?

a)

Stomach

b)

Small intestine

c)

Heart

d)

Brain

49.

Drinking water helps to ___.

a)

Dehydrate

b)

Stay healthy

c)

Feel tired

d)

Lose balance

50.

Which habit is unsafe?

a)

Wearing seatbelt

b)

Playing with fire

c)

Washing hands

d)

Eating fruits

51.

Which organ helps clean our blood?

a)

Liver

b)

Kidney

c)

Heart

d)

Lung

52.

Which part helps us smell?

a)

Eyes

b)

Nose

c)

Ears

d)

Tongue

53.

Which food group gives energy?

a)

Fats

b)

Carbohydrates

c)

Proteins

d)

Vitamins

54.

Which system fights diseases?

a)

Immune

b)

Digestive

c)

Skeletal

d)

Nervous

55.

Sleeping well helps us ___.

a)

Grow healthy

b)

Get sick

c)

Feel tired

d)

Lose strength

56.

Which material is hard?

a)

Sponge

b)

Cotton

c)

Stone

d)

Rubber

57.

Which material is flexible?

a)

Glass

b)

Rubber

c)

Wood

d)

Metal

58.

Which material is transparent?

a)

Wood

b)

Glass

c)

Metal

d)

Paper

59.

Which material floats on water?

a)

Stone

b)

Iron

c)

Wood

d)

Glass

60.

Paper is made from ___.

a)

Plastic

b)

Trees

c)

Metal

d)

Rubber

61.

A push or pull is called ___.

a)

Heat

b)

Force

c)

Energy

d)

Sound

62.

Friction makes objects move ___.

a)

Faster

b)

Slower

c)

Higher

d)

Louder

63.

Gravity pulls objects ___.

a)

Upward

b)

Sideways

c)

Toward Earth

d)

Away

64.

A magnet attracts ___.

a)

Plastic

b)

Wood

c)

Iron

d)

Rubber

65.

Which energy comes from the sun?

a)

Wind

b)

Solar

c)

Water

d)

Coal

66.

Heat can melt ___.

a)

Stone

b)

Ice

c)

Wood

d)

Iron

67.

Sound is produced by ___.

a)

Light

b)

Vibrations

c)

Heat

d)

Shadows

68.

A shadow is formed when ___.

a)

Light is blocked

b)

Wind blows

c)

Sound travels

d)

Water moves

69.

Which material is an insulator?

a)

Metal

b)

Wood

c)

Iron

d)

Copper

70.

Which source of energy is renewable?

a)

Coal

b)

Oil

c)

Solar

d)

Gas

71.

Rain comes from ___.

a)

Rivers

b)

Clouds

c)

Oceans

d)

Soil

72.

Evaporation changes water into ___.

a)

Ice

b)

Vapor

c)

Snow

d)

Rain

73.

Condensation forms ___.

a)

Ice

b)

Clouds

c)

Smoke

d)

Soil

74.

Plants are ___.

a)

Consumers

b)

Producers

c)

Predators

d)

Decomposers

75.

Animals are ___.

a)

Producers

b)

Consumers

c)

Decomposers

d)

Plants

76.

Mushrooms are ___.

a)

Producers

b)

Consumers

c)

Decomposers

d)

Predators

77.

A food chain starts with ___.

a)

Animals

b)

Plants

c)

Humans

d)

Fungi

78.

Recycling helps to ___.

a)

Pollute

b)

Save resources

c)

Waste energy

d)

Burn plastic

79.

Which action saves water?

a)

Leaving tap open

b)

Fixing leaks

c)

Wasting water

d)

Playing with water

80.

Planting trees helps to ____.

a)

Pollute air

b)

Clean air

c)

Heat Earth

d)

Dry soil

81.

Which is biodegradable?

a)

Plastic

b)

Glass

c)

Paper

d)

Metal

82.

Which gas do humans breathe in?

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Smoke

83.

Which gas do plants release?

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Smoke

84.

Which object uses electricity?

a)

Chair

b)

Fan

c)

Table

d)

Book

85.

Turning off lights saves ____.

a)

Water

b)

Energy

c)

Food

d)

Time

86.

Which safety rule is correct?

a)

Touch wet switches

b)

Play with fire

c)

Use electricity safely

d)

Run on roads

87.

Crossing at a zebra crossing is ____.

a)

Dangerous

b)

Safe

c)

Slow

d)

Risky

88.

Which material conducts heat well?

a)

Wood

b)

Plastic

c)

Metal

d)

Rubber

89.

Which is an example of reuse?

a)

Throwing bottles

b)

Reusing jars

c)

Burning plastic

d)

Littering

90.

Wind energy comes from ____.

a)

Sun

b)

Moving air

c)

Water

d)

Coal

91.

Which sense helps us feel heat?

a)

Eyes

b)

Skin

c)

Ears

d)

Nose

92.

Which part of Earth has air?

a)

Land

b)

Water

c)

Atmosphere

d)

Soil

93.

Which layer protects Earth from harmful rays?

a)

Clouds

b)

Ozone layer

c)

Soil

d)

Water

94.

Which is a producer?

a)

Cow

b)

Lion

c)

Grass

d)

Dog

95.

Which action harms the environment?

a)

Recycling

b)

Planting trees

c)

Littering

d)

Saving water

96.

Which object reflects light?

a)

Mirror

b)

Cloth

c)

Paper

d)

Wood

97.

Which tool measures temperature?

a)

Ruler

b)

Thermometer

c)

Scale

d)

Clock

98.

Which is a fossil fuel?

a)

Wind

b)

Solar

c)

Coal

d)

Water

99.

Protecting nature means ____.

a)

Cutting trees

b)

Polluting rivers

c)

Caring for the environment

d)

Wasting energy

100.

Science helps us to ____.

a)

Understand the world

b)

Be careless

c)

Waste resources

d)

Pollute Earth

Science Competition Revision Questions (Grade 1–Grade 6)

Total questions: 100

Worksheet time: 50mins

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