Testing Light and Materials - 1st Grade Science
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What is the best definition of an investigation in science?
What is the best definition of an investigation in science?
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A planned test to find out what happens and record results. Investigations involve systematic testing and documentation.
A planned test to find out what happens and record results. Investigations involve systematic testing and documentation.
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What does it mean to keep variables the same (a fair test)?
What does it mean to keep variables the same (a fair test)?
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Change only one thing and keep everything else the same. Fair tests isolate one variable to see its effect.
Change only one thing and keep everything else the same. Fair tests isolate one variable to see its effect.
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Which item is the best light source to use for a classroom light test?
Which item is the best light source to use for a classroom light test?
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A flashlight. Flashlights provide consistent, controllable light.
A flashlight. Flashlights provide consistent, controllable light.
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Which material type lets most light pass through: transparent, translucent, or opaque?
Which material type lets most light pass through: transparent, translucent, or opaque?
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Transparent. Like clear glass, you can see through it clearly.
Transparent. Like clear glass, you can see through it clearly.
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Which material type lets some light through but makes it blurry: transparent, translucent, or opaque?
Which material type lets some light through but makes it blurry: transparent, translucent, or opaque?
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Translucent. Like frosted glass, light passes but images blur.
Translucent. Like frosted glass, light passes but images blur.
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Which material type blocks light so you cannot see through it: transparent, translucent, or opaque?
Which material type blocks light so you cannot see through it: transparent, translucent, or opaque?
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Opaque. Like wood or metal, no light gets through.
Opaque. Like wood or metal, no light gets through.
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What is the correct first step when planning a light-and-materials investigation?
What is the correct first step when planning a light-and-materials investigation?
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Ask a testable question. Good questions can be answered by doing an experiment.
Ask a testable question. Good questions can be answered by doing an experiment.
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Which option is a testable question for this skill?
Which option is a testable question for this skill?
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Which material lets the most light pass through. This can be tested by shining light through materials.
Which material lets the most light pass through. This can be tested by shining light through materials.
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Identify the best way to measure light passing through materials in 1st grade.
Identify the best way to measure light passing through materials in 1st grade.
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Compare how bright a spot looks on a paper screen. Young students can observe brightness differences easily.
Compare how bright a spot looks on a paper screen. Young students can observe brightness differences easily.
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Which control action makes the test fair when comparing materials?
Which control action makes the test fair when comparing materials?
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Keep the flashlight the same distance each time. Distance affects brightness, so keep it constant.
Keep the flashlight the same distance each time. Distance affects brightness, so keep it constant.
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Identify the correct place to put the material during the test.
Identify the correct place to put the material during the test.
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Between the flashlight and the screen (paper or wall). Light must pass through the material to reach the screen.
Between the flashlight and the screen (paper or wall). Light must pass through the material to reach the screen.
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Which option best describes a prediction for this investigation?
Which option best describes a prediction for this investigation?
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A statement of what you think will happen before testing. Predictions are educated guesses based on knowledge.
A statement of what you think will happen before testing. Predictions are educated guesses based on knowledge.
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Choose the word that best fits: Wax paper is usually ____.
Choose the word that best fits: Wax paper is usually ____.
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Translucent. You can see light through it but not clear details.
Translucent. You can see light through it but not clear details.
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Choose the word that best fits: Cardboard is usually ____.
Choose the word that best fits: Cardboard is usually ____.
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Opaque. It blocks all light from passing through.
Opaque. It blocks all light from passing through.
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Choose the word that best fits: Clear plastic wrap is usually ____.
Choose the word that best fits: Clear plastic wrap is usually ____.
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Transparent. You can see clearly through it like window glass.
Transparent. You can see clearly through it like window glass.
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