Forces and motion

من طرف srimathi الأحد أبريل 26, 2020 8:54 am

04.26.2020
08:41:57
Science/Grade6-Today’s topic for revision-Air resistance and drag- learner’s book - page 72 and 73.

Main points-
Air resistance is bigger over large surfaces.
Air resistance is a force caused by air pushing against moving objects .
A parachute uses air resistance to work.It is very light in weight and has a very big surface area.

Homework is given-Do different metals conduct electricity equally well?- activity book- page 54.