English National Curriculum - Science Science
Mission Objectives
Understand that the volume of sound is measured in decibels
Understand that the volume of a sound is dependent on how much energy or power the sound source is given
Understand that as the volume of sound increases so too does the amplitude, or height, of the sound waves
Enquiry Approach - Pattern-seeking
Identifying patterns and looking for relationships to make links between scientific concepts.
Enquiry Skill - Recording data, results and findings
Using tables, a variety of graphs, labelled diagrams and models to record observations, measurements, results and findings.
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Words and meanings to learn
decibel meter
the equipment used to measure the loudness of sound
volume
how loud or quiet a sound is
power
amount of energy
decibels
the unit to measure the loudness of sound
amplitude
the measurement of the height of a sound wave
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Resources: Class presentation, a range of weights, a ruler, a decibel meter (you can download an app via a phone or tablet), pencils and graph paper.
Core Handout (2): An investigation sheet for children to record their planning, results and conclusions.
Core Handout (2): A labelled graph for children to plot their results.
Stretch Handout (3): An empty graph for children to label the axis and plot their results.
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