Unit 6 newtons laws and energy building on the previous unit this unit analyzes the 1 st law of motion 2 nd law of motion and 3 rd law of motion this unit also delves into work power energy types of energy forms of energy energy transformation and energy conservation. Unit 1 number sense and operations chapter 1 whole number applications 11 estimate with whole numbers 1 12use addition and subtraction 2 13use . Key forces include gravity friction and magnetism a force is required to do work and generating a force requires energy energy can be stored as potential energy or it can have kinetic energy the energy of motion energy can also be converted and exchanged through energy transfer. Student book sample pages unit a systems in action draft material for review only systems in action unit author chuck hammill peel district school board grade 8 author team dennis pare ottawa carleton district school board douglas hayhoe tyndale university college chuck hammill peel district school board ted gibb university of western ontario maurice digiuseppe phd formerly toronto . R u l e name c2002 by evan moor corp 5 grammar and punctuation grade 6 o emc 2716 punctuate a paragraph 1 a add the correct end punctuation to the sentences in the following paragraph wartime inventions b now name the types of sentences used in the paragraph above declarative statements interrogative questions imperative commands and exclamatory strong feelings