1.Writes energy equations for the following:-
a) a plant using light from the sun to produce glucose
b) An arrow being fired straight up in the air from a bow
2.For each of the following state whether they are examples of
energy transformation and energy transfer
a) Heat from the element on a stove moves to the pot on the element
b) Chemical potential energy in a battery is used to make a toy
car move
3 Energy questions(HURRY!!!)
2009-10-08 3:30 pm
回答 (1)
2009-10-10 4:57 am
✔ 最佳答案
1. (a) Light energy ---> chemical energy (by photosynthesis)(b) Elastic potential energy(cord in bow) ---> kinetic energy (of arrow) --> potential energy (of arrow) + heat energy (due to air resistance)
2. (a) energy (heat) transfer.
(b) energy transformation.
Electromagnetic spectrum
3. a) State one human way of producing this part of the spectrum
b) State one way that humans use this part of the spectrum
Which part of the electromagnetic spectrum do you refer to???
收錄日期: 2021-04-11 01:06:02
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