Grade 4 Science — Term 2, Week 7
5 day-plan(s) · WeLearn JA SCI T2 G4
Day 1: How Sound Is Made and Travels
Grade 4 Science · Term 2, Week 7 · 60 minutes
| Objectives | Explain sound as vibrations travelling through a medium. |
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| Materials | Tuning fork, drum, string phone, water |
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| Key vocabulary | sound, vibration, medium, travel, wave |
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| Engage (starter) | "Can sound travel through solids and liquids too?" |
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| Develop (main) | Interactive: feel vibrations from a tuning fork; test sound through a desk and water; tap-to-reveal that sound needs a medium. |
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| Plenary (close) | What must sound travel through? |
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| Assessment | Explains sound travel. |
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| Teacher notes | Deepens the Term 1 sound lesson. |
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Day 2: Volume and Pitch
Grade 4 Science · Term 2, Week 7 · 60 minutes
| Objectives | Investigate what changes volume and pitch. |
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| Materials | Rubber bands, rulers, bottles |
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| Key vocabulary | volume, amplitude, pitch, frequency, high, low |
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| Engage (starter) | "How do we change a sound from low to high?" |
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| Develop (main) | Interactive: change how hard and how fast things vibrate; link bigger vibration to louder and faster to higher; tap-to-reveal. |
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| Plenary (close) | How do we make a higher sound? |
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| Assessment | Investigates volume and pitch. |
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| Teacher notes | Protect ears; avoid very loud sounds. |
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Day 3: How We Hear
Grade 4 Science · Term 2, Week 7 · 60 minutes
| Objectives | Describe how the ear detects sound. |
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| Materials | Ear diagram, model |
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| Key vocabulary | ear, eardrum, vibration, signal, hear |
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| Engage (starter) | "How does a vibration become a sound we hear?" |
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| Develop (main) | Interactive: trace sound entering the ear and vibrating the eardrum; tap-to-reveal how we hear. |
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| Plenary (close) | What part of the ear vibrates? |
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| Assessment | Describes hearing. |
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| Teacher notes | Never put anything in the ears. |
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Day 4: Sound Insulation and Noise
Grade 4 Science · Term 2, Week 7 · 60 minutes
| Objectives | Investigate materials that block sound and discuss noise. |
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| Materials | Sound source, boxes, materials |
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| Key vocabulary | insulate, block, muffle, noise, protect |
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| Engage (starter) | "Which material best muffles a sound?" |
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| Develop (main) | Interactive: wrap a sound source in different materials; judge which muffles best; discuss noise and hearing safety; tap-to-reveal. |
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| Plenary (close) | Name a material that muffles sound. |
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| Assessment | Investigates sound insulation. |
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| Teacher notes | Link to protecting hearing from noise. |
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Day 5: Review: Sound
Grade 4 Science · Term 2, Week 7 · 60 minutes
| Objectives | Consolidate sound travel, volume, pitch, and hearing. |
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| Materials | Sound makers, review cards |
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| Key vocabulary | review, sound, pitch, hear |
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| Engage (starter) | "Sound scientist challenge!" |
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| Develop (main) | Interactive: make and change sounds and review hearing at review stations. |
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| Plenary (close) | How do we make a louder sound? |
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| Assessment | Station accuracy. |
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| Teacher notes | Reinforce vibration and medium. |
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