Home / Science / Printables / Grade 1 / Through, Dimly, or Not at All 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.
One paper per pupil
Set 1 has all 25 in a single PDF. All 25 sets ask different questions.
Through, Dimly, or Not at All 1-PS4-3
Name Date
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: Clean water in a glass, Frosted glass, A thick book
Light goes straight through Only a dim glow gets through No light gets through
2. Sort each one: Light goes straight through or Only a dim glow gets through or No light gets through?
Sort: Tissue paper, A window pane, A metal tin
Light goes straight through Only a dim glow gets through No 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 clear bottle, Tracing paper, Thick card
Light goes straight through Only a dim glow gets through No light gets through
LessonPrint · 1-PS4-3 · Set 15 · free to copy for classroom use
Answer key — Through, Dimly, or Not at All Set 15. Prints on its own sheet.
1. 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 2. 1. A metal tin — No light gets through 2. A window pane — Light goes straight through 3. Tissue paper — Only a dim glow gets through 3. 1. A clear bottle — Light goes straight through 2. Thick card — No light gets through 3. Tracing paper — Only a dim glow gets through Last reviewed 2026-09-05. Aligned to 1-PS4-3 of the Next Generation Science Standards.