Origins of the Universe Lesson One Mastery Check

Last updated almost 3 years ago

2 questions

Instructions

Required

6

Required

4

KI.1.PI.1.2a

Last updated almost 3 years ago

2 questions

Instructions

Answer both questions.

Required

6

Required

4

Explain in your own words what is the Doppler Effect and how it affects sound waves’ frequency and pitch.

KI.1.PI.1.2a

Answer both questions.

Drag and drop the terms to the correct scenario.

Low frequency

Low pitch sound

Shorter wavelength

High pitch sound

Longer wavelength

High frequency

Object moving away from an observer

Object moving towards an observer