Light Is Needed to See - 1st Grade Science
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What is the rule about seeing most objects: do your eyes need light from the object?
What is the rule about seeing most objects: do your eyes need light from the object?
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You see most objects only when light from them reaches your eyes. Light must travel from objects to your eyes for vision to occur.
You see most objects only when light from them reaches your eyes. Light must travel from objects to your eyes for vision to occur.
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Choose the correct claim: To see an object, light must travel from a light source to the object and then to what?
Choose the correct claim: To see an object, light must travel from a light source to the object and then to what?
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To your eyes. Light follows this path: source → object → eyes for vision.
To your eyes. Light follows this path: source → object → eyes for vision.
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Which option best describes what happens when light shines on a non-light source object?
Which option best describes what happens when light shines on a non-light source object?
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The object reflects light into your eyes. Non-light sources become visible by bouncing light to your eyes.
The object reflects light into your eyes. Non-light sources become visible by bouncing light to your eyes.
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Choose the correct conclusion: If you can see a flashlight in the dark, what does that show?
Choose the correct conclusion: If you can see a flashlight in the dark, what does that show?
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The flashlight is a light source when it is on. Seeing it in darkness proves it produces its own light when on.
The flashlight is a light source when it is on. Seeing it in darkness proves it produces its own light when on.
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Which option is correct: a book is seen mainly by light it makes or by light it reflects?
Which option is correct: a book is seen mainly by light it makes or by light it reflects?
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By light it reflects. Books don't produce light; they reflect light from other sources.
By light it reflects. Books don't produce light; they reflect light from other sources.
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Which option is correct: the Moon is seen mainly by light it makes or by light it reflects?
Which option is correct: the Moon is seen mainly by light it makes or by light it reflects?
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By light it reflects. The Moon shines by reflecting sunlight, not producing its own light.
By light it reflects. The Moon shines by reflecting sunlight, not producing its own light.
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Which option is correct: a lit candle is seen mainly by light it makes or by light it reflects?
Which option is correct: a lit candle is seen mainly by light it makes or by light it reflects?
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By light it makes. Candles produce their own light through combustion.
By light it makes. Candles produce their own light through combustion.
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What is the word for an object that makes its own light, such as the Sun or a lit bulb?
What is the word for an object that makes its own light, such as the Sun or a lit bulb?
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Light source. Objects that produce their own light, like stars or lamps.
Light source. Objects that produce their own light, like stars or lamps.
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Choose the correct conclusion: If you can see a cat only when sunlight enters, what does it show?
Choose the correct conclusion: If you can see a cat only when sunlight enters, what does it show?
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The cat needs light to be seen (it reflects light). The cat is visible only when light is present to reflect off it.
The cat needs light to be seen (it reflects light). The cat is visible only when light is present to reflect off it.
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What is the word for the dark shape seen when an object blocks light from reaching a surface?
What is the word for the dark shape seen when an object blocks light from reaching a surface?
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Shadow. Created when objects block light from reaching a surface.
Shadow. Created when objects block light from reaching a surface.
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What is the word for an object that does not make light but can be seen when light shines on it?
What is the word for an object that does not make light but can be seen when light shines on it?
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Non-light source (object seen by reflected light). These objects are visible only when light bounces off them.
Non-light source (object seen by reflected light). These objects are visible only when light bounces off them.
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What is the meaning of the word "shadow" in a light-and-objects investigation?
What is the meaning of the word "shadow" in a light-and-objects investigation?
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A dark area where light is blocked by an object. Shadows form when opaque objects block light.
A dark area where light is blocked by an object. Shadows form when opaque objects block light.
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What is the main reason most objects can be seen by your eyes?
What is the main reason most objects can be seen by your eyes?
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Light reflects off the object and enters your eyes. Objects don't produce light; they must reflect it to be visible.
Light reflects off the object and enters your eyes. Objects don't produce light; they must reflect it to be visible.
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What is the meaning of the word "reflect" when talking about light and objects?
What is the meaning of the word "reflect" when talking about light and objects?
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To bounce light off a surface. Light bounces back when it hits a surface.
To bounce light off a surface. Light bounces back when it hits a surface.
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What is a light source?
What is a light source?
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An object that makes its own light. Examples include the Sun, fire, and light bulbs.
An object that makes its own light. Examples include the Sun, fire, and light bulbs.
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