Free Printable WorksheetScienceGrade 9Science CurriculumNGSS HS-PS4-1

9.72 Wave Speed, Frequency, and Wavelength 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 9.72 Wave Speed, Frequency, and Wavelength. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Wave Speed, Frequency, and Wavelength: MCQ focus: use qualitative relationships and simple equations to compare wave speed, frequency, and wavelength across media. 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 - NGSS-aligned Wave Speed, Frequency, and Wavelength: NGSS: HS-PS4-1; NRC/DCI: PS4.A; SEP/CCC: Using mathematics / Scale, proportion, quantity; Common: HSN-Q.A; 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 9.72 Wave Speed, Frequency, and Wavelength skill assessments:

Problem 1Difficulty: Mastery

Which scenario is most consistent with the same source wave entering a medium where wave speed doubles?

AFrequency falls to 3 Hz while wavelength stays 2 m.

BFrequency doubles to 12 Hz while wavelength stays 2 m.

CFrequency remains 6 Hz while wavelength changes from 2 m to 1 m.

DFrequency remains 6 Hz while wavelength changes from 2 m to 4 m.

Solution & Explanation:For the same source, frequency can remain 6 Hz. If speed doubles, wavelength must also double from 2 m to 4 m.

Problem 2Difficulty: Mastery

A microwave signal has frequency 2.45 GHz and wavelength about 0.122 m. Which speed is closest to the product of these values?

A3.0 x 10⁶ m/s

B2.0 x 10⁷ m/s

C3.0 x 10¹⁰ m/s

D3.0 x 10⁸ m/s

Solution & Explanation:2.45 GHz is 2.45 x 10⁹ Hz. Multiplying by 0.122 m gives about 2.99 x 10⁸ m/s, close to 3.0 x 10⁸ m/s.

Problem 3Difficulty: Mastery

Use the displacement-distance graph titled "Distance Between Crests" to answer the question. The graph shows crests at 1 m, 5 m, and 9 m. If the frequency is 2.5 Hz, what is the wave speed?

A2.5 m/s

B22.5 m/s

C4 m/s

D10 m/s

Solution & Explanation:The wavelength is the crest-to-crest distance, 4 m. The speed is 2.5 Hz times 4 m, or 10 m/s.

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Frequently Asked Questions

Common questions about printing, using, and solving this worksheet

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Yes! In addition to this printable worksheet, students can practice 9.72 Wave Speed, Frequency, and Wavelength interactively on our platform with automated grading, instant score tracking, and detailed step-by-step solutions.

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 (NGSS: HS-PS4-1; NRC/DCI: PS4.A; SEP/CCC: Using mathematics / Scale, proportion, quantity; Common: HSN-Q.A; State refs: CA/NYSSLS same HS-PS PE family; FL SC.912.P.10; TX IPC energy strand.).