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Sun, Earth, Moon - Light and Shadows

Total questions: 50

Worksheet time: 32mins

Name
Class
Date
1.

Light travels

a)

around corners

b)

in a straight line

c)

in the air

d)

in water

2.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
3.

If light hits something transparent , it will...

a)

make a shadow

b)

pass through

c)

stop

4.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

5.
Which source of light is natural?
a)
firworks
b)
lightbulb
c)
lightning
d)
headlights
6.

Which is NOT a source of light?

a)

firefly

b)

ball

c)

sun

d)

torch

7.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
8.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
9.

1. What is the only form of energy we can see?

a)

prism

b)

light

c)

mirror

10.

Which of the following objects reflect light?

a)
b)
c)
d)
11.

What does dark mean?

a)

The night

b)

Absence of light

c)

Too much light

d)

The Moon

12.

Butter (tracing) paper is _____________ which will let some light pass through it.

a)

Translucent

b)

Transparent

c)

Opaque

d)

Light

13.

______________ light can be separated into a rainbow of colors.

a)

White

b)

Ultraviolet

c)

Polarized

d)

Fluorescent

14.

Jagriti is drinking a glass of appy. She looks through the glass and the objects behind it look fuzzy. This is because the appy is .

a)

opaque

b)

translucent

c)

transparent

15.

Madhav is pushing the door closed. He cannot see through the door because it is-

a)

opaque

b)

translucent

c)

transparent

16.

If we observe closely, we will find that the Moon changes in its appearance everyday, this is due to

a)

the Sun light that falls on the Moon

b)

the Sun's Shadow that falls on the Moon

c)

The Earth's shadow that falls on the Moon

d)

The Moon's own light

17.

When the Moon comes between the Sun and The Earth, it blocks the light from the Sun and causes

a)

Lunar Eclipse

b)

Solar Eclipse

18.

In a Lunar eclipse the shadow of _________________________ is formed on the Moon

a)

Earth

b)

Sun

c)

Mercury

d)

Venus

19.
You are making shadows with a torch and one hand. What could you do to make the shadow bigger?
a)
Use a smaller torch
b)
Move the torch further away from your hand
c)
Move the torch closer to your hand
20.
What causes shadows?
a)
Shadows are caused by the dark
b)
A shadow appears when light cannot pass through an object
c)
Shadows are only caused by the Sun going behind a cloud
d)
A shadow is formed when the light changes colour to black
21.
Outdoors, shadow is shortest at what time of day?
a)
morning
b)
noon
c)
evening
22.
The shadow of an object does not show
a)
the colour of the object 
b)
the shape of the object
c)
the outline of the object
d)
none of these
23.
The shape and size of a shadow depends on
a)
the shape and size of the object
b)
the position of the source of light
c)
the distance between the source of light and object
d)
 all of the above
24.

A Solar Eclipse happens when the _______________ blocks the _________________.

a)

Earth blocks the Sun.

b)

Moon blocks the Earth.

c)

Sun blocks the Moon.

d)

Moon blocks the Sun.

25.

The following shows a ___________________ eclipse happening.

a)

Solar

b)

Lunar

26.

Which of the following properties is the reason for shadows to be formed ?

a)

Reflection of light

b)

Refraction of light

c)

Scattering of light

d)

Light always travels in a straight line

27.

A (a)   is formed when rays of light are blocked by an opaque object .

28.

The Lunar Eclipse occurs on

a)

New Moon

b)

Full Moon

c)

Gibbus Moon

29.

Identify the eclipse by looking at the positions.

a)

Conjunction

b)

Lunar Eclipse

c)

Solar Eclipse

30.

Which will make the darkest shadow?

a)

Sheet of thin tissue paper.

b)

glass window

c)

wooden chopping board

d)

plastic bottle

31.

As the object moves closer to the source of light, the size of the shadow

a)

increases

b)

decreases

c)

remains the same

d)

is too small to see

32.

When the Sun is behind you, your shadow is ...

a)

behind you

b)

in front of you

c)

at the side of you

d)

not there

33.

Why do shadows made by the Sun move throughout the day?

a)

Because the weather changes

b)

Because someone moves the objects

c)

Because the sun appears to move across the sky

34.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

35.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

d)

D

36.

We can see things around us because of light reflecting off the object and into our eyes?

a)

True

b)

False

37.
What does reflection mean?
a)
Light bouncing off an object.
b)
Light is bending around an object.
c)
Light is moving through and object.
d)
This is no light.
38.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

bending of light

c)

reflection

d)

image

39.

Which of the following is not always necessary to observe a shadow?

a)

Sun

b)

Screen

c)

Source of light

d)

Opaque object

40.
The darkest part of the shadow during an eclipse is called the ___________________.
a)
penumbra
b)
corona
c)
umbra
d)
phase
41.

During which part of the lunar cycle can a solar eclipse occur?

a)

New Moon

b)

First Quarter

c)

Full Moon

d)

Third Quarter

42.

During which part of the lunar cycle can a lunar eclipse occur?

a)

New Moon

b)

First Quarter

c)

Full Moon

d)

Third Quarter

43.

The first Indian to go into space was ______ ______

(a)  

44.

The gravity of moon is _________ of the Earth

a)

one-sixth

b)

one-forth

c)

one-fifth

45.

What are the types of satellites?

a)

artificial & homemade

b)

natural & organic

c)

natural & artificial

46.

Who was the first person to step on moon?

a)

Edwin Aldrin

b)

Neil Armstrong

c)

Rakesh Sharma

d)

Yuri Gagarin

47.

What is the first satellite launched by India?

a)

Aryabhattha

b)

Rohini

c)

Insat 1A

48.

Which type of satellite are used for GPS?

a)

Spy satellite

b)

Weather satellite

c)

Comunication satellite

d)

Navigation satellite

49.

The natural pull of objects towards each other is called ___________.

a)

Elasticity

b)

An orbit

c)

Gravity

d)

The Moon

50.

Human made objects that orbit the Earth are called ___________.

a)

Artificial asteroids

b)

Artificial satellites

c)

Natural asteroids

d)

Natural satellites