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4th grade review

Total questions: 71

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

It works with the bones to help the body to move.

a)

Skeletal system

b)

Digestive system

c)

Muscular system

2.

This system controls all body functions

a)

Circulatory system

b)

Nervous system

c)

Muscular system

3.

What body system breaks down food into simpler substances that can be used by the body?

a)

Digestive system

b)

Muscular system

c)

Skeletal system

4.
What is this?
a)
Stomach
b)
Esophagus
c)
Lungs
d)
Mouth
5.
What are these?
a)
Stomach
b)
Esophagus
c)
Lungs
d)
Mouth
6.
What is this?
a)
Intestine
b)
Heart
c)
Uterus
d)
Kidneys
7.
What is this?
a)
Esophagus
b)
Heart
c)
Uterus
d)
Stomach
8.
What is this?
a)
Digestive system
b)
Respiratory system
c)
Circulatory system
d)
Reproductive system
9.

The five senses are...

a)

sight, smell, taste, hearing and touch

b)

eyes, nose, tongue, ears and skin

10.

The ________ is the sense organ of taste

a)

eyes

b)

nose

c)

skin

d)

tongue

11.

The ________ is the sense organ of touch

a)

eyes

b)

nose

c)

skin

d)

tongue

12.

Reproduction is the ability to...

a)

detect and respond changes in the environment

b)

provides your body with energy and nutrients

c)

have offspring

13.
How many groups of vertebrates do you know?
a)
2
b)
4
c)
5
d)
10
14.
Which are the 5 groups of vertebrate animals?
a)
Mammals, fish, amphibians and sharks
b)
Mammals, fish, birds, reptiles and amphibians
c)
Lions, tuna, eagle, crocodile and frog
d)
Humans, fish, birds and reptiles
15.
What animals are viviparous?
a)
Birds, amphibians, reptiles, fish and invertebrates
b)
Mammals
c)
Humans
16.
What animals are oviparous?
a)
Animals that drink mother's milk
b)
Animals that lay eggs
17.
What animals breathe with their lungs?
a)
Mammals and birds
b)
Fish and chips
c)
Mammals, birds, reptiles and adult amphibians
d)
Humans, birds and sharks
18.
Which of these animals breathe through their gills?
a)
Fish
b)
Fish and baby amphibians
c)
Mammals, adult amphibians, reptiles and birds
19.
Which animal can breathe with their lungs and also through their moist skin?
a)
Amphibians
b)
Fish
c)
Reptiles
20.
Which animals have scales?
a)
Fish and reptiles
b)
Mammals, birds and amphibians
21.
What do the herbivores eat?
a)
Other animals
b)
Plants
c)
Plants and other animals
22.
What type of animals eat other animals?
a)
Hervibore
b)
Carnivore
23.
What do the omnivores eat?
a)
Plants
b)
Other animals
c)
Plants and other animals
24.
What of these animals is a mammal?
a)
Bat
b)
Frog
c)
Crocodile
d)
Ostrich
25.

They have poisonous tentacles

a)

birds

b)

fish

c)

echinoderms

d)

Cnidarians

26.

they are covered in feathers

a)

mammals

b)

birds

c)

molluscs

d)

reptiles

27.

Long or flat bodies divided in rings

a)

worms

b)

birds

c)

mammals

d)

reptiles

28.

The mothers feed their young with milk

a)

fish

b)

arthropods

c)

mammals

d)

amphibians

29.

Their bodies are shaped like a star or a ball

a)

cnidarians

b)

arthropods

c)

echinoderms

d)

mammals

30.

Part of a plant

a)

Roots

b)

stem

c)

leaves

d)

flower

31.

Part of a plant

a)

Roots

b)

stem

c)

leaves

d)

flower

32.

Part of a plant

a)

Roots

b)

stem

c)

leaves

d)

flower

33.

Part of a plant

a)

Roots

b)

stem

c)

leaves

d)

flower

34.

Part of a tree

a)

Roots

b)

trunk

c)

branches

d)

flower

35.

Part of a tree

a)

Roots

b)

trunk

c)

branches

d)

fruits

36.

Plants are living things.

a)

True

b)

False

37.

Plants make their own food.

a)

True

b)

False

38.

The main parts of a plant are:

a)

Corolla, calyx, stamens and pistil.

b)

Roots, stem and leaves.

39.

In this part the plants make their own food.

a)

Roots

b)

Stem

c)

Leaves

40.

This part help the plants to stay upright and support the branches and leaves.

a)

Roots

b)

Stem

c)

Leaves

41.

This part fixes the plant to the ground.

a)

Roots

b)

Stem

c)

Leaves

42.

The mixture of water and minerals absorbed by roots is called:

a)

Raw sap

b)

Elaborated sap

43.

The mixture of water, minerals, carbon dioxide and sunlight is called:

a)

Raw sap

b)

Elaborated sap

44.

Elaborated sap is a type of sugar.

a)

True

b)

False

45.

The whole process of making food in the leaves is called:

a)

Methamorphosis

b)

Digestion

c)

Photosynthesis

46.

WHAT DO PLANTS RELEASE DURING THE PROCESS OF PHOTOSYNTHESIS?

a)

THEY RELEASE MINERALS.

b)

THEY RELEASE FOOD.

c)

THEY RELEASE CARBON DIOXIDE.

d)

THEY RELEASE OXYGEN.

47.

DO PLANTS BREATHE?

a)

YES, THEY DO.

b)

NO, THEY DON´T.

48.

WHAT DO PLANTS TAKE FROM THE AIR DURING THE PHOTOSYNTHESIS PROCESS?

a)

THEY TAKE CARBON DIOXIDE.

b)

THEY TAKE OXIGEN.

c)

THEY TAKE CARBON MINERALS.

d)

THEY TAKE CARBON WATER.

49.

WHAT DO PLANT TAKE FROM THE AIR AT NIGHT?

a)

THEY TAKE POKEMONS AT NIGHT.

b)

THEY TAKE CARBON DIOXIDE AT NIGHT.

c)

THEY TAKE OXYGEN AT NIGHT.

d)

THEY TAKE WATER AT NIGHT.

50.

WHERE IS POLLEN PRODUCED?

a)

IT IS PRODUCED IN THE OVARY.

b)

IT IS PRODUCED IN THE STAMENS.

c)

IT IS PRODUCED IN THE STIGMA.

d)

IT IS PRODUCED IN THE CARPEL.

51.

WHAT ARE THE TWO WAYS OF POLLINATION?

a)

THEY ARE WIND AND ANIMAL.

b)

THEY ARE WIND AND POLLINATION.

c)

THEY ARE ANIMAL AND RAIN.

d)

THEY ARE WIND AND FIRE.

52.

WHERE DO SEEDS DEVELOP?

a)

THEY DEVELOP IN THE STIGMA.

b)

THEY DEVELOP IN THE STAMENS.

c)

THEY DEVELOP IN THE OVARY.

d)

THEY DEVELOP IN THE PETALS.

53.

A machine is any object that we use to perform a task...

a)

... with less effort or more speed.

b)

... with more speed.

c)

... in a natural way.

d)

... more effort.

54.

Name this simple machine.

a)

Lever

b)

Wedge

c)

Pulley

d)

Inclined Plane

55.

Name this simple machine.

a)

Pulley

b)

Wheel and Axle

c)

Inclined Plane

d)

Lever

56.

Which choice is an example of a lever?

a)

Axe

b)

Seesaw

c)

Bottle Cap

d)

Tunnel

57.

Two examples of a pulley are...

a)
b)
c)
d)
58.

Two examples of a lever are ...

a)
b)
c)
d)
59.

Which is an example of a screw?

a)
b)
c)
60.

Simple machines make work easier.

a)

True

b)

False

61.
a)

Simple machine

b)

Complex machine

62.
a)

Simple machine

b)

Complex machine

63.
a)

Simple machine

b)

Complex machine

64.
a)

Simple machine

b)

Complex machine

65.
a)

Simple machine

b)

Complex machine

66.
a)

Simple machine

b)

Complex machine

67.
a)

Simple machine

b)

Complex machine

68.
a)

Simple machine

b)

Complex machine

69.
a)

Simple machine

b)

Complex machine

70.
a)

Simple machine

b)

Complex machine

71.

Complex machines have...

a)

a few parts

b)

lots of parts

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