Free Printable WorksheetScienceGrade 9Science CurriculumNGSS HS-PS4-1, HS-PS4-4

9.75 Reflection, Refraction, and Absorption Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Physical Science with Earth and Science Science worksheet provides structured practice on 9.75 Reflection, Refraction, and Absorption. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Reflection, Refraction, and Absorption: MCQ focus: identify how waves change direction or transfer energy when interacting with surfaces and materials. Aligned to NGSS high school Physical Science, Earth and Space Science, and Engineering Design; NRC/DCI; SEP/CCC; CCSS math/literacy connections; selected CA NGSS, NYSSLS, Florida CPALMS, and Texas TEKS references NGSS HS-PS4-1, HS-PS4-4 - NGSS-aligned Reflection, Refraction, and Absorption: NGSS: HS-PS4-1; HS-PS4-4; NRC/DCI: PS4.A-B; SEP/CCC: Models / Cause and effect; Common: RST.9-10.7; State refs: CA/NYSSLS same HS-PS PE family; FL SC.912.P.10; TX IPC energy strand.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Physical Science with Earth and Science

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 9.75 Reflection, Refraction, and Absorption skill assessments:

Problem 1Difficulty: Mastery

Which summary best distinguishes the three interactions in this skill?

AReflection only happens to sound, refraction only happens to heat, and absorption only happens to mirrors.

BAll three terms mean exactly the same wave behavior at a surface.

CReflection transfers all energy into matter, refraction stops waves, and absorption bounces waves back.

DReflection returns a wave from a boundary, refraction changes a wave's path in a new medium, and absorption transfers wave energy into matter.

Solution & Explanation:The key distinctions are boundary return, speed-related path change in a new medium, and energy transfer into matter. Those distinctions help identify each interaction in different contexts.

Problem 2Difficulty: Mastery

Use the speed-change table. Which boundary should produce the largest bend for the same incident angle?

AGlass to diamond

BWater to glass

CAir to diamond

DAir to water

Solution & Explanation:For the same incident angle, a larger change in wave speed generally produces a larger refraction effect. Air to diamond has the greatest speed change shown.

Problem 3Difficulty: Mastery

A plane mirror forms a clear image of an object. Which model best explains why the reflected rays can be traced to an apparent image?

ARays refract through the mirror into a slower hidden medium only.

BRays are absorbed by the mirror and then emitted from behind it as new matter.

CRays reflect with equal angles from a smooth surface, so their organized paths appear to come from behind the mirror.

DRays scatter randomly from the mirror, so no organized paths are needed.

Solution & Explanation:A smooth mirror produces organized reflection that follows the law of reflection. The eye traces those reflected rays backward to a virtual image location.

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Frequently Asked Questions

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Physical Science with Earth and Science Science students. It aligns with educational standard NGSS HS-PS4-1, HS-PS4-4 (NGSS: HS-PS4-1; HS-PS4-4; NRC/DCI: PS4.A-B; SEP/CCC: Models / Cause and effect; Common: RST.9-10.7; State refs: CA/NYSSLS same HS-PS PE family; FL SC.912.P.10; TX IPC energy strand.).