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pr3 revision sheet semester2

Total questions: 72

Worksheet time: 56mins

Name
Class
Date
1.

The strongest parts of the magnet are their ....

a)

fronts

b)

backs

c)

poles

d)

middle

2.

The middle of the magnet is the ________________ point.

a)

hottest

b)

coldest

c)

weakest

d)

strongest

3.

A magnet will pick up an object that is made of...

a)

plastic

b)

iron or steel

c)

glass

d)

copper

4.

Bar magnets have two poles. What are they?

a)

north and south

b)

red and blue

c)

east and west

d)

red and green

5.

The area around a magnet is called the .....

a)

attraction zone

b)

work area

c)

magnetic field

d)

hot zone

6.

What does repel mean?

a)

magnets move toward each other

b)

magnets do not have magnetism

c)

magnets move away from each other

d)

magnets stick together

7.

Non Magnetic Material is ____________________

a)

Cobalt

b)

Nickel

c)

Iron

d)

Aluminum

8.

Choose the object that can be attracted to magnets.

a)

nail

b)

book

c)

rubber

d)

matchstick

9.

Choose the object that can be attracted to magnets.

a)

ruler

b)

paper

c)

needle

d)

tissue

10.

Like poles __________ each other while unlike poles ___________ each other.

a)

attract, repel

b)

repel, attract

c)

oppose, connect

d)

connect, oppose

11.

A magnet can attract all metals.

a)

True

b)

False

12.

The North pole of a magnet will repel the South pole of

another magnet.

a)

True

b)

False

13.

The earth has one magnetic pole.

a)

true

b)

false

14.
An instrument used to tell direction is called a _______________________ (shown in the picture)
a)
direction finder
b)
guide
c)
compass
d)
gps
15.
The needle of a compass always points _________________________.
a)
at the equator
b)
North
c)
South
d)
What's a compass?
16.

Which direction is missing?

a)

North

b)

East

c)

West

d)

South

17.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
18.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
19.
A magnet will attract scissors if the scissors contain: 
a)
copper
b)
aluminum
c)
gold
d)
nickel
20.
A device that uses a free-moving magnetic needle to show direction is a:
a)
Ruler
b)
magnet
c)
compass
d)
magnetic field
21.
The space around a magnet where the force of a magnet can attract best is called__________
a)
magnetism
b)
bar magnet
c)
horseshoe magnet
d)
magnetic field
22.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
23.

What happens if you hold the south pole of one magnet close to the north pole of another magnet?

a)

They will attract each other

b)

They will repel each other

c)

They will grow very hot

d)

Nothing will happen

24.

What would happen is a north pole of a magnet came close to a north pole of another magnet?

a)

they would be attracted to each other

b)

they would be repelled from each other

25.
Will these two magnets attract or repel?
a)
Attract
b)
Repel
26.

What is the function (purpose) of a pelican's beak ?

a)

To eat flowers

b)

To eat seeds and nuts

c)

To catch and eat small fish

d)

To tear the meat of animals

27.

What is NOT an example of an inherited trait?

a)

Eye color

b)

Hair color

c)

Favorite color

28.

What characteristic is most likely to be inherited by a baby?

a)

Being hungry

b)

Crying every 5 minutes

c)

Blue eyes

29.
Characteristics passed from parents to their offspring.
a)
behavior
b)
learned trait
c)
inherited trait
d)
function
30.

The scissor beak is found in................

a)

Pelican

b)

Owl

c)

Wren

31.

The shell of the turtle that protects it from enemies

Is cosiderd as ..................

a)

Inherited trait

b)

Not inherited trait

32.

Waterlily plant lives in ..........

a)

Desert

b)

Salt water

c)

Fresh water

d)

Arctic region

33.

The polar bear has................ And..................That keep its body warm. (Two choises)

a)

Feathers

b)

Blubber

c)

Thin fur

d)

Thick fur

34.

The acacia tree has................... And....................... That help it to adapt in the desert environment. (Two choices)

a)

Short roots

b)

Long roots

c)

No roots

d)

Spiky branches

35.

Animals adapt faster than human in the environment?

a)

True

b)

Falss

36.
Characteristics passed from parents to their offspring.
a)
behavior
b)
learned trait
c)
inherited trait
d)
function
37.
If a parent cactus has spines, the offspring will have  ______
a)
fruit
b)
spines
c)
leaves
d)
petals 
38.

A ____________ is something that you inherit.

a)

parent

b)

trait

c)

child

d)

inherit

39.

Traits are passed down from parents to _____________.

a)

inherit

b)

trait

c)

parent

d)

child

40.

Having blue eyes like your parents is an example of what?

a)

Inherited trait

b)

Learned behavior

c)

Non inherited trait

41.
What is NOT an example of an inherited TRAIT?
a)
eye color
b)
tongue rolling
c)
handedness
d)
language
42.
Is the following a learned behavior or inherited trait? brown fur
a)
inherited trait
b)
learned behavior
43.
Is the following a learned behavior or inherited trait? 
Sally likes playing catch.
a)
inherited trait
b)
learned behavior
44.
Is the following a learned behavior or inherited trait? 
brown eyes
a)
inherited trait
b)
learned behavior
45.
Is the following a learned behavior or inherited trait? 
size of your hands
a)
inherited trait
b)
learned behavior
46.

zebra has stripes on his body ,this stripes are ......................

a)

inherited traits

b)

not inherited traits

47.

The strips of zebra help them to eat ?

a)

true

b)

false

48.

The shell protects it against its enemies .

a)

b)

c)

49.

Very long roots helps the plant reach deep underground water .

a)

Acacia tree

b)

waterlily

c)

cactus

50.

In water lily plant , the top of the leaf is waxy to keep water out .

a)

true

b)

false

51.

Water lily plant lives in.........................

a)

desert

b)

fresh water

c)

salt water

52.

v the polar bear has layers of fat and blubber to keep it warm , blubber is .............

a)

thick fat with blood vessels

b)

thin fat with blood vessels

53.

spoonbill bird has .................... beak

a)

Tweezer

b)

spoon

c)

clothspin

54.

eagle has ..................beak that help it to cut meat

a)

tweezer

b)

spoon

c)

scissors

55.

wren bird has .................beak that help it to eat seeds.

a)

tweezer

b)

spoon

c)

clothspin

56.

pelican bird has spoon beak to eat ...................

a)

small fish and plants

b)

meat of animals

c)

seeds

57.

kingerfish has tweezer beak to eat .................

a)

meat

b)

insects

c)

seeds

58.

it is the push or pull on an object that causes motion .

a)

energy

b)

force

59.
what is a power that makes things move called?
a)
strength
b)
force
c)
rest
60.

Pull is

a)

when you move objects away

b)

when you bring objects to you

61.
a)

push

b)

pull

62.
a)

push

b)

pull

63.

What is happening in the picture?

a)

Push

b)

Pull

64.
a)

Pull

b)

Push

65.

a)

Push

b)

Pull

66.

a)

Push

b)

Pull

67.

a)

Push

b)

Pull

68.

a)

Push

b)

Pull

69.

a)

Push

b)

Pull

70.
a)

Push

b)

Pull

71.

It is an object attached to a string that can swing back and forth .

a)

ball

b)

pendulum

c)

magnetism

72.

The magnet has two…………………

a)

poles

b)

shape

c)

size