Classifying Materials by Light - 1st Grade Science
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What is the main observation that shows a material is opaque in a flashlight test?
What is the main observation that shows a material is opaque in a flashlight test?
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Light is blocked; shadow is dark and clear. Opaque materials block all light, creating sharp, dark shadows.
Light is blocked; shadow is dark and clear. Opaque materials block all light, creating sharp, dark shadows.
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Identify the best classification: no light passes through the material at all.
Identify the best classification: no light passes through the material at all.
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Opaque. Complete light blockage is the defining feature of opacity.
Opaque. Complete light blockage is the defining feature of opacity.
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Identify the best classification: you can see objects clearly through the material.
Identify the best classification: you can see objects clearly through the material.
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Transparent. Clear visibility through the material indicates transparency.
Transparent. Clear visibility through the material indicates transparency.
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Identify the best classification: a material lets light through, but you cannot see details.
Identify the best classification: a material lets light through, but you cannot see details.
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Translucent. Light passes through but scatters, preventing clear vision.
Translucent. Light passes through but scatters, preventing clear vision.
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Which material should make the faintest shadow: clear plastic wrap, wax paper, or book cover?
Which material should make the faintest shadow: clear plastic wrap, wax paper, or book cover?
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Clear plastic wrap. Clear plastic is transparent, creating little to no shadow.
Clear plastic wrap. Clear plastic is transparent, creating little to no shadow.
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Which material should make the darkest shadow: wax paper, clear plastic, or cardboard?
Which material should make the darkest shadow: wax paper, clear plastic, or cardboard?
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Cardboard. Cardboard blocks all light, while the others let some or all light through.
Cardboard. Cardboard blocks all light, while the others let some or all light through.
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What is the main observation that shows a material is translucent in a flashlight test?
What is the main observation that shows a material is translucent in a flashlight test?
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Some light passes; shadow is faint or blurry. Translucent materials scatter light, creating partial, fuzzy shadows.
Some light passes; shadow is faint or blurry. Translucent materials scatter light, creating partial, fuzzy shadows.
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What is the main observation that shows a material is transparent in a flashlight test?
What is the main observation that shows a material is transparent in a flashlight test?
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Light passes through clearly; no shadow. Transparent materials allow all light through, casting minimal shadows.
Light passes through clearly; no shadow. Transparent materials allow all light through, casting minimal shadows.
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Which option best matches opaque: clear window, frosted plastic, or wood block?
Which option best matches opaque: clear window, frosted plastic, or wood block?
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Wood block. Wood completely blocks light, unlike see-through window or cloudy plastic.
Wood block. Wood completely blocks light, unlike see-through window or cloudy plastic.
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Which option best matches translucent: clear glass, wax paper, or aluminum foil?
Which option best matches translucent: clear glass, wax paper, or aluminum foil?
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Wax paper. It lets light through but blurs images, unlike clear glass or blocking foil.
Wax paper. It lets light through but blurs images, unlike clear glass or blocking foil.
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Which option best matches transparent: clear plastic wrap, wax paper, or cardboard?
Which option best matches transparent: clear plastic wrap, wax paper, or cardboard?
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Clear plastic wrap. You can see through it clearly, unlike the blurry wax paper or solid cardboard.
Clear plastic wrap. You can see through it clearly, unlike the blurry wax paper or solid cardboard.
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What word describes a material that does not let light pass through?
What word describes a material that does not let light pass through?
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Opaque. Light cannot penetrate the material, creating a complete shadow.
Opaque. Light cannot penetrate the material, creating a complete shadow.
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What word describes a material that lets some light pass but makes images look blurry?
What word describes a material that lets some light pass but makes images look blurry?
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Translucent. Light scatters as it passes through, creating a foggy or cloudy effect.
Translucent. Light scatters as it passes through, creating a foggy or cloudy effect.
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What word describes a material that lets almost all light pass through clearly?
What word describes a material that lets almost all light pass through clearly?
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Transparent. Light passes through completely without scattering, like clear glass.
Transparent. Light passes through completely without scattering, like clear glass.
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Which word means “blocks light” when you compare materials by how they affect light?
Which word means “blocks light” when you compare materials by how they affect light?
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Opaque. Materials that prevent light from passing through are opaque.
Opaque. Materials that prevent light from passing through are opaque.
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