Toer energy activity 1

Activity Name

Observing that energy is ability to do work

Objectives

1. Show the connection between energy and work done
2. When force is applied, work is done and this changes energy state of the body

Method

Materials

Use the following images for discussion

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQloOBf_IkHFaUseVHrdjYRYpEGIBwnmh60TULr4Iofk_3mxpVZKQ

https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcTJK_nZwD8CwrHYZxo3YfAY5uvqh0pKJkVAXj9eH16xVUVx6hZ9

https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSvWvPjewiC9-r35eIsk-pZxqcr71mFNSrGwdROjlOP2-7tXsdP

http://www.google.co.in/imgres?imgurl=http://www57.studyisland.com/pics/7940stretchspring.jpg&imgrefurl=https://sites.google.com/a/pgcps.org/rmanningscience/home/msa-questions-answers/msa-test-5-energy-transfer&h=218&w=226&tbnid=lN88a1cL5nAYzM:&zoom=1&docid=akTcTtR2AmFhHM&ei=2QAJVcPqLMejuQSQqIGgAg&tbm=isch&ved=0CHQQMyhOME4

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQloOBf_IkHFaUseVHrdjYRYpEGIBwnmh60TULr4Iofk_3mxpVZKQ

Steps

1. Ask students to hold a brick
   1. What happens to their hand?
   2. What happens if it is dropped?
   3. What are the forces acting on it?
2. Investigate similarly with a spring
3. Investiate similarly with a rubber band - catapult

Dicussion questions

=Notes(optional)