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Through, Dimly, or Not at All is a free printable Grade 1 science worksheet on what different materials do to a beam of light, aligned to Common Core standard 1-PS4-3. It prints 3 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 7 of 25 · the same problems every time you open this link.

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One paper per pupil

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Through, Dimly, or Not at All

1-PS4-3

NameDate

Sort each material into what it does to light.

1.Sort each one: Light goes straight through or Only a dim glow gets through or No light gets through?

Sort: Clear plastic sheet, A metal tin, Tissue paper

Light goes straight throughOnly a dim glow gets throughNo light gets through
2.Sort each one: Light goes straight through or Only a dim glow gets through or No light gets through?

Sort: Clean water in a glass, Frosted glass, A thick book

Light goes straight throughOnly a dim glow gets throughNo light gets through
3.Sort each one: Light goes straight through or Only a dim glow gets through or No light gets through?

Sort: A wooden door, A clear bottle, A thin white curtain

Light goes straight throughOnly a dim glow gets throughNo light gets through

LessonPrint · 1-PS4-3 · Set 7 · free to copy for classroom use

Answer key — Through, Dimly, or Not at All

Set 7. Prints on its own sheet.

  1. 1.1. A metal tin — No light gets through 2. Clear plastic sheet — Light goes straight through 3. Tissue paper — Only a dim glow gets through
  2. 2.1. A thick book — No light gets through 2. Clean water in a glass — Light goes straight through 3. Frosted glass — Only a dim glow gets through
  3. 3.1. A clear bottle — Light goes straight through 2. A thin white curtain — Only a dim glow gets through 3. A wooden door — No light gets through

More practice for 1-PS4-3

Test what different materials do to a beam of light.

Teaching this next? Through, Dimly, or Not at All is the 50-minute plan for it, with the misconceptions to expect.

All Grade 1 worksheets

Last reviewed 2026-09-05. Aligned to 1-PS4-3 of the Next Generation Science Standards.