Zusammenfassung der Ressource
Frage 1
Frage
Which of these statements is true?
Antworten
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Light travels in straight lines.
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Light is stopped when it meets a solid object.
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Light does not travel in straight lines.
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Light will only travel for about 2000 km before it stops
Frage 2
Frage
Which phrase best completes the following sentence? We see things because:
Frage 3
Frage
Shadows are formed because:
Antworten
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light will only travel a certain distance before it stops.
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a substance called ‘darkness’ collects behind some objects.
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some objects do not give out light in all directions.
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light cannot go through some objects.
Frage 4
Frage
Which statement is true?
Antworten
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Sound travels faster than light.
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Light does not travel. It is either on or off.
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Light travels faster than sound.
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Light and sound travel at the same speed.
Frage 5
Frage
Opaque objects can:
Antworten
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transmit and reflect light.
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transmit and absorb light.
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reflect and absorb light.
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only reflect light.
Frage 6
Frage
Which of these will absorb the most light?
Antworten
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a white sheet of paper.
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a sheet of clear glass.
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a black piece of card.
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an orange piece of card.
Frage 7
Frage
How are eyes and pinhole cameras similar?
Antworten
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They both form an upside-down image.
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They both use a lens to focus light.
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They both convert light to electrical signals.
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They both take photographs.
Frage 8
Frage
Which part of the eye converts light energy to electrical signals?
Antworten
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the lens
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the optic nerve
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the pupil
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the retina
Frage 9
Frage
Which of these statements is true?
Antworten
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Light bounces evenly off rough surfaces.
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Light bounces evenly off smooth surfaces like mirrors.
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Light bounces off mirrors in all directions.
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Light does not bounce off mirrors.
Frage 10
Frage 11
Frage
How big will the angle of reflection be?
Frage 12
Frage
Your image in a mirror:
Antworten
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is not as good looking as I am.
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is upside down.
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is always bigger than you.
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seems to be behind the mirror.
Frage 13
Frage
Refraction is what happens when light:
Frage 14
Frage
Refraction occurs because:
Antworten
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light speeds up when it goes from air to glass or water.
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light slows down when it goes from air to glass or water.
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light stops when it goes from air to glass or water.
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light reflects inside transparent materials.
Frage 15
Frage
Which diagram shows the correct rays?
Frage 16
Frage
Which statement is not true?
Antworten
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A rainbow is a spectrum of colours.
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White light is made up of many colours.
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A spectrum can only be made using paints.
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A prism can split white light into a spectrum.
Frage 17
Antworten
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absorbs red light.
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lets through all colours of light.
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only lets red light through.
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changes all the colours into red light.
Frage 18
Frage
Blue objects look blue because:
Frage 19
Frage
Danny is wearing white shorts and a red shirt.
Which statement is most likely to be is true?
Antworten
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In blue light, his shorts look blue and his shirt looks black.
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In blue light, his shorts look blue and his shirt looks red.
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In red light, his shorts look red and his shirt looks black.
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In green light, his shorts look red and his shirt looks yellow.
Frage 20
Frage
Why does a lens change the path of light?
Antworten
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Light changes direction when it goes into the glass and when it comes out of it.
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Light changes direction in the centre of the lens.
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Light is reflected by the surface of the lens.
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Light travels faster in glass than it does in air.