Waves in air, fluids and solids exam tips

Exam tips

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain that sound waves are caused by vibrating objects..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to describe how sound waves travel through a medium by compressions and rarefactions..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain why sound cannot travel through a vacuum..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to link higher frequency sound waves to higher pitch..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to link greater amplitude sound waves to louder sounds..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to describe echoes as reflected sound waves..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to interpret simple oscilloscope traces for sound waves..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to distinguish pitch from loudness using frequency and amplitude..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Sound waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain why the speed of sound differs in solids, liquids and gases..

  This keeps your answer tightly aligned to the approved learning objective for Sound waves.

• Waves for detection and exploration (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Define ultrasound as sound with frequency above the upper limit of human hearing..

  This keeps your answer tightly aligned to the approved learning objective for Waves for detection and exploration (physics only).