How Materials Affect Light - 1st Grade Science
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Which observation best shows reflection: passes through, some passes, blocks, or bounces back?
Which observation best shows reflection: passes through, some passes, blocks, or bounces back?
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Bounces back. Reflection means light returns to where it came from.
Bounces back. Reflection means light returns to where it came from.
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What is reflection when testing materials with a beam of light?
What is reflection when testing materials with a beam of light?
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Light bounces off a surface instead of passing through. Like a mirror, the light changes direction when it hits.
Light bounces off a surface instead of passing through. Like a mirror, the light changes direction when it hits.
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Which type of material usually makes the strongest reflection in a light test?
Which type of material usually makes the strongest reflection in a light test?
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A smooth, shiny surface. Mirrors and metals reflect light best due to smoothness.
A smooth, shiny surface. Mirrors and metals reflect light best due to smoothness.
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What is the correct tool to make a narrow beam of light for testing materials?
What is the correct tool to make a narrow beam of light for testing materials?
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A flashlight. Creates a focused beam needed for accurate material testing.
A flashlight. Creates a focused beam needed for accurate material testing.
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What is a transparent material in a light test?
What is a transparent material in a light test?
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A material that lets most light pass through clearly. Like clear glass or water, you can see through it perfectly.
A material that lets most light pass through clearly. Like clear glass or water, you can see through it perfectly.
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What is an opaque material in a light test?
What is an opaque material in a light test?
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A material that blocks light from passing through. Like wood or metal, no light can get through at all.
A material that blocks light from passing through. Like wood or metal, no light can get through at all.
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What does it mean if no light passes through the material?
What does it mean if no light passes through the material?
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The material is opaque. Complete light blockage creates shadows behind the object.
The material is opaque. Complete light blockage creates shadows behind the object.
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What does it mean if only some light passes and objects look blurry?
What does it mean if only some light passes and objects look blurry?
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The material is translucent. Partial light transmission causes blurry or fuzzy images.
The material is translucent. Partial light transmission causes blurry or fuzzy images.
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What does it mean if light passes through a material and you see clearly?
What does it mean if light passes through a material and you see clearly?
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The material is transparent. Clear visibility means all light passes through unchanged.
The material is transparent. Clear visibility means all light passes through unchanged.
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Which word should you record if light gets through but the beam looks dim or fuzzy?
Which word should you record if light gets through but the beam looks dim or fuzzy?
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Some passes. Dim or fuzzy light indicates partial transmission through material.
Some passes. Dim or fuzzy light indicates partial transmission through material.
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Identify the material type if it blocks light: transparent, translucent, or opaque?
Identify the material type if it blocks light: transparent, translucent, or opaque?
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Opaque. Materials that block all light are called opaque.
Opaque. Materials that block all light are called opaque.
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What is a translucent material in a light test?
What is a translucent material in a light test?
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A material that lets some light through but scatters it. Like frosted glass or thin paper, light passes but images blur.
A material that lets some light through but scatters it. Like frosted glass or thin paper, light passes but images blur.
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Which word should you record if the light makes a dark shadow behind the material?
Which word should you record if the light makes a dark shadow behind the material?
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Blocks. Shadows form when materials stop light from passing through.
Blocks. Shadows form when materials stop light from passing through.
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Which word should you record if a bright spot appears on a wall after light hits the material?
Which word should you record if a bright spot appears on a wall after light hits the material?
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Reflects. Bright spots show light bounced off instead of passing through.
Reflects. Bright spots show light bounced off instead of passing through.
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Which observation matches a mirror best: passes, some passes, blocks, or reflects?
Which observation matches a mirror best: passes, some passes, blocks, or reflects?
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Reflects. Mirrors are designed to bounce light back, not let it through.
Reflects. Mirrors are designed to bounce light back, not let it through.
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