SME
Grade 4 Science · Physical Science
Energy conversions
Sort devices by the main kind of energy they give out: light, heat, sound or motion.
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What is the device’s main job when it is switched on?
Tap a card, then tap its group.
Assumptions
•
Every device takes energy in and gives energy out in another form.
•
Each of these takes in electric current from a battery or a plug.
•
Some give out two kinds: a toaster glows and heats. Sort each by its main job.
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