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Year 5 in England

4th grade light, sound and waves

7 4th grade light, sound and waves skills, each with a worked example, free practice that checks every answer, and a printable worksheet. Start with a mixed review, or jump to the skill you need.

Mixed review

Ten questions drawn from every skill below.

Print a review worksheetRiddle puzzle on screenBingo

Pitch and loudness

CCSS NGSS.4-PS4-1CCSS NGSS.1-PS4-1England: KS2 Y4 Sound

Example

How can you make a guitar string play a higher note?

  1. Faster vibrations give a higher pitch.
  2. So the answer is: make it tighter or shorter

Answer: make it tighter or shorter

Builds on: Sound comes from vibrations

Leads to: Parts of a wave, Parts of a wave: crest, trough, amplitude and wavelength, Frequency and amplitude of sound waves

Print a worksheet✏️ Write on screenFlashcards

Parts of a wave: crest, trough, amplitude and wavelength

CCSS NGSS.4-PS4-1England: KS3 Physics: Waves (observed waves)

Example

True or false? The crest is the top of a wave.

  1. Yes: this matches what scientists observe.
  2. So the answer is: True

Answer: True

Builds on: Pitch and loudness

Leads to: Measure and compare waves: amplitude and wavelength, Waves carry energy, not the water itself

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Measure and compare waves: amplitude and wavelength

CCSS NGSS.4-PS4-1England: KS3 Physics: Waves (observed waves)

Example

In a long spring (slinky) on the floor, 5 complete waves fit into 45 cm. What is the wavelength?

  1. 45 ÷ 5 = 9
  2. So the answer is: 9 cm

Answer: 9 cm

Builds on: Parts of a wave: crest, trough, amplitude and wavelength

Print a worksheet✏️ Write on screenFlashcards

Waves carry energy, not the water itself

CCSS NGSS.4-PS4-1England: KS3 Physics: Waves (observed waves)

Example

Ocean waves can turn machines that make electricity. What are they using?

  1. Wave power is a renewable energy resource that captures wave energy.
  2. So the answer is: the energy the waves carry

Answer: the energy the waves carry

Builds on: Parts of a wave: crest, trough, amplitude and wavelength

Print a worksheet✏️ Write on screenFlashcards

How we see: light, pupil, lens, retina and brain

CCSS NGSS.4-PS4-2CCSS NGSS.4-LS1-2England: KS2 Y6 Light

Example

What is the job of the pupil?

  1. So the answer is: the hole that lets light into the eye

Answer: the hole that lets light into the eye

Builds on: Why we need light to see things

Print a worksheet✏️ Write on screenFlashcards

Send and decode messages using patterns

CCSS NGSS.4-PS4-3England: KS2 Computing linksEngland: KS2 Y4 Sound

Example

A torch (flashlight) flashes short (•) and long (–) pulses. Use the key to decode the message. Key: D = –•• O = ––– G = ––• Message: –•• / ––– / ––•

  1. –•• → D, ––– → O, ––• → G
  2. So the answer is: DOG

Answer: DOG

Builds on: Send messages with light and sound

Print a worksheet✏️ Write on screenFlashcards

Sound travels through solids, liquids and gases, but not space

CCSS NGSS.4-PS4-1England: KS2 Y4 Sound

Example

Can sound travel through this: air?

  1. Sound needs particles to pass vibrations on.
  2. So the answer is: sound can travel through it

Answer: sound can travel through it

Builds on: Sound comes from vibrations

Print a worksheet✏️ Write on screenFlashcards

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