English National Curriculum Science

1. Describe the law of conservation of energy

Mission Objectives

State different units of measure for energy and know that they can be calculated

Identify forms of energy in everyday scenarios such as a fairground or in the home

Describe the law of conservation of energy and calculate potential energy and gravitational potential energy during an investigation

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Keywords

Words and meanings to learn

joule

the Si unit of energy, equivalent to the amount of energy required to raise 1N of weight by 1m

calorie

a unit of energy, equivalent to the amount of energy required to raise the temperature of 1g of water by 1ºC

electron-volt

a unit of energy equivalent to 0.000000000000000016 joules

kilowatt hour

a unit of energy equivalent to 1000 joules used every second for an hour

conservation

the action of keeping something the same

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This lesson has been written by

Kate Richards

Kate’s journey as a science educator spans over 15 enriching years. Her passion for unravelling the complexities of the human body led her away from medicine (as she hates blood but loves medical t-shows) and into the world of teaching. She’s had the privilege of nurturing young minds in KS3 and KS4 science, guiding A-level Biology students, and even taught year 4 students in Spain, broadening her teaching horizons early in her career. Kate holds a Masters in Teaching (MTeach) and specialises in biology. Her research for her Master's degree focused on the profound impact of self-efficacy on classroom learning. Beyond the classroom, she finds solace in leisurely family walks and exploring new destinations through travel. She finds that the most rewarding aspect of teaching is witnessing those magical "light bulb moments" when students grasp the intricacies of science right before her eyes. 

Required Resources

Resources: Small ball (tennis or ping-pong), 2 x 1 m rulers, set square, stopwatch.

Handout: An investigation sheet for the students to complete.

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