At all levels of living and non-living systems, matter and energy act and react to determine the nature of our environment. Sometimes changing one thing may cause changes in something else. If changes occur in the same manner, similar results may be expected. Today we are going to study how work is done. Work is the amount of energy used to move an object.
Force is a push or pull.
Force is needed to move an object and to do work. Force is anything that causes something to move. Put the cards in a box and have the children draw out a card. Each child can select another child to help him act out the type of work. Force is a push or pull.