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Science grade 5

Total questions: 50

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

What is the source of light?

a)

building

b)

shadow

c)

sun

d)

no source of light

2.

What is this....?

a)

mirror

b)

periscopes

c)

picture

d)

light

3.

The incoming light makes an ................. with the mirror

a)

light source

b)

beam

c)

angle

d)

nothing

4.

Light reflects off mirror.............

a)

different angle

b)

same angle

c)

will not reflect

d)

no angle

5.

This mirror helps us to see .....

a)

in front of you

b)

behind you

c)

you can nothing

d)

it will absorb the image

6.

A mirror image........

a)

up side down

b)

back to front

c)

same image

d)

no image

7.

At night, we use _________________ light sources such as lamps to provide us with light

a)

man made

b)

natural

c)

shadow

d)

translucent

8.

The astronaut can see the Earth from the moon because the light hits the Earth and is__________ This light reaches he astronaut on the Moon.

a)

reflected

b)

direction

c)

shadow

d)

light sources

9.

This quantity can be measured

a)

light intensity

b)

man made sources

c)

light sources

d)

shadow

10.

Light from this enters our eyes

a)

natural sorces

b)

man made sources

c)

light sources

d)

shadow

11.

Made when light from a source is blocked

a)

natural sorces

b)

man made sources

c)

light sources

d)

shadow

12.

lightning

a)

natural sorces

b)

man made sources

c)

light sources

d)

shadow

13.

Blessy moves towards the light source. The size of the shadow of Blessy’s head will . . .

a)

drecease

b)

get smaller

c)

increase

d)

get bigger

14.

The correct man-made light sources are . .

a)

campfire

b)

moon

c)

sun

d)

light bulb

15.

Class 5 are doing quiz about light and shadows

a)

Shadows need light to form.

b)

Opaque materials do not let light through.

c)

Shadows change position only if the object moves.

d)

Shadows are always longest at night

16.

Mia puts some books on a desk. She turns the light on. The books make a shadow on the desk. What does Mia do to make the shadow longer?

a)

remove a book

b)

make the light dimmer

c)

make the light brighter

d)

add a book

17.

There is a shadow on the wall.  What part of Madison makes the shadow?

a)

flashlight

b)

head

c)

wall

d)

hands

18.

·       Peter holds the material.

·       Riya points the flashlight at the material.

What will happen when Peter holds a piece of transparent material?

I predict that light . . . through the material.

a)

will be stopped

b)

will be blocked

c)

will pass

d)

will be formed a shadow

19.

The correct natural light sources are . . .

a)

lighting

b)

star

c)

fireworks

d)

light stick

20.

Why can we see our reflection in the mirror?

a)

Because it has smooth surface

b)

Because it’s dull            

c)

Because it has rough surface

d)

Because it’s shiny

21.

Which word describes why it looks like there are two swans in the picture?

a)

intensity

b)

reflection

c)

shadow

d)

transparent

22.

The light from the flashlight is reflected by the material. When this happens the light changes

a)

absorbed

b)

bounced

c)

shape

d)

direction

23.

Alfi uses a flashlight to reflect light into Ester’s eye and Ester moves. Her eye is in a new position. What must Alfi do to the flash light so Ester can see the reflected light?

a)

turn off the flash light

b)

change the angle

c)

change the mirror

d)

change the flash light

24.

  The The correct sentence about light intensity is  . . . .

a)

Light from this enters our eyes.       

b)

Changes the size of a shadow

c)

Made when light from a source is blocked

d)

this quantity can be measured

25.
What is the primary role of the emergent layer?
a)
Providing habitat for climbing plants
b)
Blocking sunlight from reaching the lower layers
c)
Supporting the growth of taller trees
d)
Offering protection to animals from predators
26.
Which layer of the rainforest receives the most sunlight?
a)
Canopy
b)
Emergent layer
c)
Understory
d)
Forest floor
27.
What is the main characteristic of the forest floor layer?
a)
Abundance of leaves, fruits, seeds, and flowers
b)
High levels of sunlight
c)
Home to larger rainforest animals
d)
Dense growth of climbing plants
28.
Where are rainforests typically found?
a)
Near the North or South Pole
b)
In desert regions
c)
On or near the equator
d)
In mountainous areas
29.
Why is camouflage important for animals living in the understory?
a)
To protect themselves from high temperatures
b)
To blend in with the dense vegetation
c)
To catch prey more effectively
d)
To attract mates during mating season
30.
How do decomposers contribute to the forest floor?
a)
They trap sunlight and release it to the plants
b)
They provide food for larger rainforest animals
c)
They help release nutrients from dead plant and animal matter
d)
They create a barrier against predators
31.
Which layer of the rainforest contains the majority of the animal species?
a)
Forest floor
b)
Canopy
c)
Emergent layer
d)
Understory
32.
Which layer of the rainforest receives the least amount of sunlight?
a)
Forest floor
b)
Canopy
c)
Emergent layer
d)
Understory
33.
What is the main characteristic of rainforests?
a)
Cold and dry places
b)
High temperatures and humidity
c)
Snow-covered landscapes
d)
Low levels of rainfall
34.

which type of gas we use for breathing.

a)

nitrogen

b)

helium

c)

carbon dioxide

d)

none of these

35.

78% of nitrogen is present in the air.

a)

true

b)

false

36.

the blanket that surrounds the earth is called atmosphere

a)

true

b)

false

37.

(a)   is the outermost layer of the atmosphere.

38.

the layer of the atmosphere where meteoroids burn up.

a)

stratosphere

b)

troposphere

c)

exosphere

d)

none of these

39.

the ozone layer lives in which layer.

a)

troposphere

b)

mesosphere

c)

exosphere

d)

thermosphere

e)

stratosphere

40.

the amount of water present in the air is known as ...................

a)

humidity

b)

temperature

c)

clouds

41.

Changes of the material of the picture is . . . .

a)

Melting

b)

Freezing

c)

Evaporation

d)

Condensation

42.

Causes of changes in nature of this picture is . . . .

a)

Deforestation

b)

Tsunami

c)

Volcanic eruption

d)

Flood

43.

__________ move around the nucleus

a)

Protons

b)

Neutrons

c)

Electrons

44.

A(n) ___________ is the smallest unit of an element

a)

Molecules

b)

Atom

c)

Energy

45.

Which colored particle is the electron?

a)

blue

b)

red

c)

yellow

d)

red and yellow

46.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
47.
Metals that can be used as wire are ____________.
a)
metallic
b)
shiny
c)
malleable
d)
ductile
48.
A student is given a sample of an unknown substance. He is asked to determine if it is classified as a metal, a metalloid, or a nonmetal. He discovered that the unknown element conducted some heat and electricity, had a shiny luster, and broke easily. This element is most likely a 
a)
metal
b)
nonmetal
c)
metalloid
d)
cannot be determined
49.
Which of the following correctly lists the three main groups of elements from greatest conductivity to least conductivity?
a)
Nonmetals -metalloids-metals
b)
metals-nonmetals-metalloids
c)
metalloids-metals-nonmetals
d)
metals-metalloids-nonmetals
50.
John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and did not conduct heat. What would its classification be? 
a)
metal 
b)
nonmetal 
c)
metalloid

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