8K Quick Quiz

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1       Which of these statements is true?

A       Light travels in straight lines.

B       Light is stopped when it meets a solid object.

C       Light does not travel in straight lines.

D       Light will only travel for about 2000km before it stops.


2       Which of these is not a source of light?

A       a light bulb

B       the Sun

C       a mirror

D       a TV


3       Shadows are formed because:

A       light will only travel a certain distance before it stops.

B       a substance called ‘darkness’ collects behind some objects.

C       some objects do not give out light in all directions.

D       light cannot go through some objects.


4       Which statement is true?

A       Sound travels faster than light.

B       Sound will not travel. Only light can travel.

C       Light travels faster than sound.

D       Light and sound travel at the same speed.



1       Objects that light can easily pass through are said to be:

A       transparent.

B       apparent.

C       opaque.

D       oblong.


2       Which phrase best completes the following sentence? We see things because:

A       they are luminous.

B       the Sun shines on them.

C       light from them enters our eyes.

D       light from our eyes shines on them.


3       Opaque objects can:

A       transmit and reflect light.

B       transmit and absorb light.

C       reflect and absorb light.

D       only reflect light.


4       Which of these will absorb the most light?

A       a white sheet of paper

B       a sheet of clear glass

C       a black piece of card

D       an orange piece of card



1       Which of these statements is true?

A       Light bounces evenly off rough surfaces.

B       Light bounces evenly off smooth surfaces like mirrors.

C       Light bounces off mirrors in all directions.

D       Light does not bounce off mirrors.


2       A plane mirror is:

A       a curved mirror.

B       a convex mirror.

C       a flat mirror.

D       a mirror used in aeroplanes.




How big will the angle of reflection be?

A 20 °        B 30 °        C 40 °        D 60 °


4       Your image in a mirror:

A       is not as good looking as you really are.

B       is upside down.

C       is always bigger than you.

D       seems to be behind the mirror.



1       Refraction is what happens when light:

A       hits an opaque object.

B       bounces off a mirror.

C       is scattered by a rough surface.

D       bends as it goes from one substance into another.


2       Refraction occurs because:

A       light speeds up when it meets a denser transparent material.

B       light slows down when it meets a denser transparent material.

C       light stops when it meets a denser transparent material.

D       light reflects inside denser transparent materials.


3       Which diagram shows the correct rays?









4       Where does refraction take place?

A       in the centre of a transparent substance

B       all the way through a transparent substance

C       as light travels from one opaque substance into another

D       as light travels from one transparent substance into another



1       Which statement is not true?

A       A rainbow is a spectrum of colours.

B       White light is made up of many colours.

C       A spectrum can only be made using paints.

D       A prism can split white light into a spectrum.


2       The three primary colours for light are:

A       red, blue and yellow.

B       red, blue and green.

C       red, yellow and green.

D       yellow, blue and green.


3       A red filter:

A       absorbs red light.

B       lets through all colours of light.

C       only lets red light through.

D       changes all the colours into red light.


4       Blue objects look blue because:

A       they reflect all colours.

B       they refract all colours.

C       they absorb blue light.

D       they reflect blue light.