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Life Science Worksheet (Human Body and Animals)

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

Which body system breaks down the food you eat?

a)

Skeletal system

b)

Digestive system

c)

Nervous system

d)

Muscular system

2.

What bones protect your heart and lungs?

a)

Skull

b)

Spine

c)

Rib cage

d)

Leg bones

3.

What is the main control center of the body that does all the thinking?

a)

Heart

b)

Stomach

c)

Lungs

d)

Brain

4.

Which food group gives you the most energy (Go foods)?

a)

Fruits

b)

Milk and cheese

c)

Rice and bread (Carbohydrates)

d)

Vegetables

5.

What system is made of all your bones and gives your body its shape?

a)

Skeletal system

b)

Nervous system

c)

Digestive system

d)

Breathing system

6.

Which organ pumps blood to all parts of your body?

a)

Lungs

b)

Brain

c)

Heart

d)

Kidney

7.

What do our kidneys do?

a)

Help us see

b)

Clean our blood

c)

Digest food

d)

Help us move

8.

What are the "Grow" foods, like chicken and beans, rich in?

a)

Sugar

b)

Protein

c)

Salt

d)

Fat

9.

What do your lungs take in from the air when you breathe?

a)

Oxygen

b)

Carbon Dioxide

c)

Water

d)

Food

10.

What are the five senses?

a)

Running, jumping, sleeping, eating, drinking

b)

Sight, hearing, smell, taste, touch

c)

Thinking, feeling, happy, sad, angry

d)

Pushing, pulling, floating, sinking, flying

11.

What is the first stage in the life cycle of a frog?

a)

Tadpole

b)

Froglet

c)

Egg

d)

Adult Frog

12.

What does a tadpole breathe with?

a)

Lung

b)

Gills

c)

Skin

d)

Feathers

13.

What is the stage in a butterfly's life cycle after the larva (caterpillar)?

a)

Egg

b)

Pupa (Chrysalis)

c)

Adult

d)

Tadpole

14.

What do you call an animal that eats BOTH plants and meat?

a)

Herbivore

b)

Carnivore

c)

Omnivore

d)

Insectivore

15.

What is it called when an animal blends in with its surroundings to hide?

a)

Camouflage

b)

Hibernation

c)

Migration

d)

Running

16.

What is it called when birds fly to a warmer place for the winter?

a)

Hibernation

b)

Migration

c)

Camouflage

d)

Sleeping

17.

What do you call an animal that is hunted and eaten by another animal?

a)

Predator

b)

Prey

c)

Pet

d)

Mammal

18.

What are the three main body parts of an insect?

a)

Head, leg, wings

b)

Head, thorax, abdomen

c)

Eyes, mouth, legs

d)

Wings, shell, tail

19.

Which animal group is warm-blooded, has fur or hair, and feeds milk to its young?

a)

Reptiles

b)

Birds

c)

Mammals

d)

Fish

20.

Where would you most likely find a camel (its habitat)?

a)

Arctic

b)

Ocean

c)

Desert

d)

Rainforest

21.

What is an animal without a backbone called?

a)

Invertebrate

b)

Vertebrate

c)

Mammal

d)

Reptile

22.

Are snakes and lizards warm-blooded or cold-blooded?

a)

Warm-blooded

b)

Cold-blooded

c)

No blood

d)

Half-blooded

23.

What is a group of fish swimming together called?

a)

Flock

b)

Herd

c)

School

d)

Pack

24.

What special body part do birds have that mammals do not?

a)

Eyes

b)

Legs

c)

Feathers

d)

Bones

25.

What is the hard-working insect that lives in a colony and builds mounds?

a)

Spider

b)

Ant

c)

Beetle

d)

Grasshopper

26.

What is the process of a plant making its own food using sunlight called?

a)

Photosynthesis

b)

Germination

c)

Pollination

d)

Drinking

27.

What gas do plants release into the air that humans need to breathe?

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Steam

28.

What gas do plants take in from the air to make food?

a)

Helium

b)

Carbon dioxide

c)

Oxygen

d)

Water vapor

29.

What is it called when a seed starts to sprout and grow?

a)

Dying

b)

Sleeping

c)

Germination

d)

Melting

30.

How do bees help flowers?

a)

They eat the leaves

b)

They move pollen from flower to flower (Pollination)

c)

They give them water

d)

They keep them warm

31.

Which part of a carrot plant do we usually eat?

a)

Leaf

b)

Stem

c)

Flower

d)

Root

32.

When we eat spinach or lettuce, which part of the plant are we eating?

a)

Leaves

b)

Roots

c)

Seeds

d)

Fruit

33.

What part of the plant holds it in the soil and absorbs water?

a)

Flower

b)

Leaf

c)

Root

d)

Fruit

34.

What part of the plant usually grows after the flower and holds the seeds?

a)

Root

b)

Stem

c)

Fruit

35.

What will NOT happen to a healthy green plant if you put it in a dark closet for a week?

a)

It will grow faster

b)

It will turn yellow and weak

c)

It will grow flowers

d)

It will not change

36.

How many planets are in our solar system?

a)

7

b)

8

c)

9

d)

10

37.

What is the largest planet in our solar system?

a)

Earth

b)

Mars

c)

Jupiter

d)

Sun

38.

Which planet is known as the "Red Planet"?

a)

Venus

b)

Mars

c)

Mercury

d)

Saturn

39.

What is the imaginary line that the Earth spins on?

a)

Axis

b)

Orbit

c)

Equator

d)

Pole

40.

How long does it take the Earth to make one full orbit around the sun?

a)

One day

b)

One week

c)

One month

d)

One year (365 days)

41.

What is the Moon?

a)

A planet

b)

A star

c)

A natural satellite of Earth

d)

A comet

42.

What tool is used to measure how fast the wind is blowing?

a)

Thermometer

b)

Anemometer

c)

Wind vane

d)

Rain gauge

43.

What tool tells you the direction the wind is coming from (North, South, East, West)?

a)

Wind vane

b)

Anemometer

c)

Barometer

d)

Clock

44.

What is it called when water vapor in the air gets cold and turns into a liquid (like in a hose)?

a)

Condensation

b)

Precipitation

c)

Evaporation

d)

Collection

45.

What is it called when water vapor in the air gets cold and turns back into liquid, forming clouds?

a)

Condensation

b)

Evaporation

c)

Precipitation

d)

Freezing

46.

What do we call rain, snow, sleet, or hail that falls from the clouds?

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Sunlight

47.

What type of soil is made of very tiny grains, feels smooth, and gets very sticky when wet?

a)

Sand

b)

Gravel

c)

Clay

d)

Rock

48.

What type of soil is best for most garden plants because it has a mix of sand, silt, and clay?

a)

Loam

b)

Only sand

c)

Only clay

d)

Rocks

49.

What is a sudden and violent shaking of the ground called?

a)

A hurricane

b)

A volcano

c)

An earthquake

d)

A flood

50.

What causes the seasons (summer, winter, spring, fall)?

a)

The moon's orbit

b)

The sun moving

c)

The tilt of the Earth as it orbits the sun

d)

The clouds

51.

What is the hot, liquid rock inside the Earth called?

a)

Magma

b)

Lava

c)

Soil

d)

Ice

52.

What is the hot center of the Earth called?

a)

Crust

b)

Mantle

c)

Core

d)

Surface

53.

What are the three main states of matter?

a)

Hot, cold, warm

b)

Hard, soft, sticky

c)

Solid, liquid, gas

d)

Shiny, dull, rough

54.

What is the process of a liquid turning into a solid called?

a)

Melting

b)

Freezing

c)

Evaporation

d)

Boiling

55.

Which state of matter always spreads out to fill its entire container?

a)

Solid

b)

Liquid

c)

Gas

d)

Ice

56.

Which state of matter keeps its own shape, no matter what container it is in?

a)

Solid

b)

Liquid

c)

Gas

57.

What is the force that slows down moving objects when they rub against each other?

a)

Gravity

b)

Magnetism

c)

Friction

d)

Light

58.

What happens if you try to push the two North poles (N) of two magnets together?

a)

They attract (pull together)

b)

They repel (push apart)

c)

They get hot

d)

They do nothing

59.

What happens if you put the North pole (N) of one magnet and the South pole (S) of another magnet together?

a)

They attract (pull together)

b)

They repel (push apart)

c)

They break

d)

They spin

60.

What is it called when light bounces off a shiny surface, like a mirror?

a)

Reflection

b)

Refraction

c)

Shadow

d)

Absorption

61.

What is it called when light bends, making a straw in a glass of water look broken?

a)

Reflection

b)

Refraction

c)

Shadow

d)

Opaque

62.

What do you call an object that light can pass through, some or clear glass?

a)

Opaque

b)

Transparent

c)

Translucent

d)

Solid

63.

What do you call an object that blocks all light and makes a dark shadow?

a)

Opaque

b)

Transparent

c)

Translucent

d)

Liquid

64.

How high or low a sound is (like a whistle vs. a drum) is called its...

a)

Volume

b)

Pitch

c)

Echo

d)

Speed

65.

How loud or soft a sound is, is called its...

a)

Volume

b)

Pitch

c)

Vibration

d)

Speed

66.

What is a material that heat or electricity travel through easily (like metal) called?

a)

Insulator

b)

Conductor

c)

Reflector

d)

Magnet

67.

What is a material that stops heat or electricity from moving (like a rubber glove)?

a)

Insulator

b)

Conductor

c)

Wire

d)

Metal

68.

What simple machine is like a see-saw?

a)

A wedge

b)

A screw

c)

A lever

d)

A pulley

69.

What simple machine is a ramp?

a)

Lever

b)

Inclined plane

c)

Wheel and axle

d)

Pulley

70.

When you mix salt or sugar in water until you can't see it anymore, it has...

a)

Melted

b)

Evaporated

c)

Dissolved

d)

Frozen