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WorksheetsCHAP 14.2 - REVISION QUIZIZZ - LIGHT, SHADOWS AND REFLECTION
Total questions: 20
Worksheet time: 13mins
When an object moves closer to a light source, its shadow...
Gets smaller
Gets bigger
Changes shape
Stays the same size
Shadows are longest during _______.
morning and evening
noon
night
We can see things around us because of light reflecting off the object and into our eyes?
True
False
There is light on the Earth even on a dark, cloudy day. This is because clouds are:
Opaque
Transparent
Translucent
Luminous
Which of the following properties is the reason for shadows to be formed ?
Reflection of light
Image formation
Bending of light
Rectilinear propagation of light
Sound is faster than light
True
False
Objects that produce light are called
Producers
Luminous
Brightious
Lighteners
What can we see when we look into a mirror
Refraction
Inverted Image
Reflection
Mirror
What does the Moon do
Produces Heat
Reflects the Sun's light
Produces light
Reflects the Sun's heat
Light travels in a _____ line
Straight
Curved
Luminous
Zig-Zag
How are shadows formed
Shadows are formed when an Transparent object is placed in the middle of a source of light and a screen
Shadows are formed when a shadow is placed in the middle of a source of light and a screen
Shadows are formed when an Opaque object is placed in the middle of a source of light and a screen
Shadows are formed when any Solid is placed in the middle of a source of light and a screen
Image formed in a Pinhole Camera is ______
Inverted
Flipped
Parallel
Swapped
Which of these are natural sources of light
Fire Fly
Torch
Sun
Light Tube
An opaque object means that ...
light passes through
no light passes through
some light passes through
you can see through it
What is the main source of light?
sun
trees
moon
Which of the following does not have light of its own?
a torch
a lamp
the moon
the sun
When light hits an area and bounces back it is called:
echo
refraction
reflection
absorbing
A shadow is always ____________ color
white
black
red
green
___________ is the natural emission of light by living organisms.
Bioluminescence
cells
Luminous Objects
Non - Luminous Objects
