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🔬 Science - Class 8
Unit 7 · Energy in Daily Life

Heat Presentation

ScienceSubject
8 minEstimated read
Slide 1 of 4
Science and Technology, Grade 8

Energy in Daily Life and Heat

Energy is measured in joules · Heat is a form of energy · Hotter to colder, always

The Basic Idea
Work Needs Energy
WORK
Reading, carrying, driving and lighting a lamp are all work.
NEEDED
The body needs food, a vehicle needs fuel, an appliance needs electricity.
NAMED
That capacity to do work is what we call energy.

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Presenter notes: Ask the class how much work each of them has done since morning, and what they needed in order to do it. Listen to a few answers and then begin the lesson.