Page 125 - ACTIVE SCIENCE 4 TOC
P. 125
Research and Development
If an elder person and a young boy run up the stairs in the same time, which one of them
does more work?
Field Trip
Plan a trip to a vegetable market or an oil depot. See how loading and unloading of heavy
sacks and barrels is done on trucks.
Net Work
• To understand more about the relationship between work and energy, log on to https://
www.youtube.com/watch?v=PD7a1EWjsTc
• To takeup a wind speed challenge, visit http://www.sciencekids.co.nz/projects/windspeed.
html
• Study different facts on energy on http://facts.randomhistory.com/energy-facts.html
132 Active Science-4

