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My idea is that Option (c) is correct  as your eyes will need time to adjust to the darkness because it has happened to me before.

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I need to understand why the apple cannot be seen when the lights are switched off.

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The new information that I have learnt is that a light source is needed for a shadow to be formed.

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Building on Sharlene's idea in her light project, light travels in straight line and that is the reason why we can see ourselves in the mirror and also be able to see objects around us.

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Putting our ideas together we have concluded that option (b) is correct now  because...

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Yes, agreed as based on our experiments in school it helps us explain that...

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the answer is (C) as light contains all colours of the rainbow and in total darkness no light is present.our eyes need to get used to the sudden darkness.hence, you will only be able to see the outline of the apple but not the colour of the apple

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The ans is [c]. light is not present in the room . thus we can only see the outline of the apple

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how  are we able to see the apple in black but not in red ?

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How do we tell whether something absorbs light, or reflects light?

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the answer is (c) because after a while, your eyes will adjust to the low light level and the apple pen is black because the room is dark

=========}0}> :P

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How do our eyes adjust to the darkness?

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same q as kayla loh:)

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The answer is C.
It is because i have tried it before at home. It is true you can seethe appe in total darkness.

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Why can we see the red apple in the dark without light?

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When there is absolutely no light you will not be able to see anything. but once your eyes have adjusted to the darkness, you will be able to see the outline of the object. Plus, to form a shadow, you must have a light source.

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The answer is (C) because there is no light in the room,  thus we are not able to see the apple in colour but only see the outline.

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The answer is C because our eyes will get used to the darkness and the apple will be black because it is dark so we can only see the outline

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why does all the colours of the rainbow mix together to make white ?shouldn't it be brown?

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i think it is (c) as your eyes will get used to the dark and be able to see the apple but not the colour

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should be (a) because there is no light source to see the apple and eyes don't give off light

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I learnt that without the presence of light we cannot see colors.

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how are we supposed to see the apple in the dark?

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i learnt that a shadow is formed when the path of light is blocked by an object

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I learnt that without the presence of light we cannot see the colour of the object but can see the outline of the object once our eyes have adjusted to the darkness.
I also learnt that shadows can become bigger or smaller and can change shape, depending on the position of the light source.

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the answer is (C) as light contains all colours of the rainbow and in total darkness no light is present.our eyes need to get used to the sudden darkness.hence, you will only be able to see the outline of  the apple but not the colour of the apple

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The answer is C, because without the presence of light we can only see the outline of the apple .Like this!

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the answer is (c) as

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the answer is (c) because after a while, your eyes will adjust to the low light level and the apple pen is black because the room is dark

=========}0}> :P

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why does all the colours of the rainbow mix together to make white ?shouldn't it be brown?

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i leart that shadows can become bigger or smaller

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The ans is [C].
Our eyes can adjust to the darkness

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why are we able to only see the outline of the apple but not the colour?

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I HAVE CONCLUDED THAT [C] IS CORRECT AS OUR EYES  CAN ADJUST TO THE DARKNESS

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we can conclude that option c is correct as your eyes will adjust to the low light level  and you

will only be able to see the outline of  the apple but not the colour of the apple

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Putting our ideas together, we can conclude that option (C) is correct as we will be able to see the black outline of the apple once our eyes adjust to the darkness of the room.

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we can conclude that option c is correct as after a while,our eyes will get used to darkness and thus, we will be able to see the outline.

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I think that the answer is C. Our eyes will adjust to the darkness and be able to see the outline of the apple.

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I conclude that the answer is [c]\

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Putting our ideas together, (with saanvi) we have concluded that option (c) is correct now because your eyes can adjust to the darkness, but the apple will only be black and white. Yes, agreed as based on our experiments in school it helps us explain that I am correct/awesome

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I learnt that when there is no light, we can still see the object but we cannot see the colour of the object.

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To obtain a darker shadow  /sharper shadow, put the apple closer to the screen.  To obtain a fainter shadow, put the apple further from screen.

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To obtain a larger shadow, put the apple closer to light source. To obtain a smaller shadow, put the apple further from the light source.

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In order to see a darker shadow, you must put the apple closer to the screen
In order to see a fainter shadow, you must put the apple further away from the screen

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In order to see a larger shadow, you must put the apple closer to the light source
In order to see a smaller shadow, you must put the apple further away from the light source

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there is no light and your eyes does not give out light

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to get a sharper shadow, you bring the apple closer to the screen. To get a fainter shadow, you bring the apple closer to the light source.

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Our eyes adjust to the darkness around us ONLY when there is some light around us

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To get a fainter shadow,  move the apple closer to the light source/farther from the screen.
To get a darker shadow, move the apple closer to the screen/ farther from the light source.

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we will see the apple only if we
have light source

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Light travels in a straight line.

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the shadow will be darker when you put the screen nearer to the object

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To obtain a smaller shadow the apple should be farther from the light source/closer to the screen.
To obtain a larger shadow, move the apple closer to the light source/farther from the screen.

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to obtain a darker or sharper shadow you have to either bring the object closer to the screen  and bring the screen further from the object to obtain a fainter shadow

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You will have to move the apple closer to the light source in order to obtain a larger shadow

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light will be blocked by the apple

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You will need to move the screen nearer to the apple

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You will need to move the screen nearer to the apple

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Hsin Yi

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We can only see the apple if there is a light source (turn on lights)