The snail / drop cam - technology student, Pdf file - click here for printable worksheet : eccentric, heart shaped and pair shaped cams generally allow for a slow rise and fall of the follower.. Pulley systems - velocity ratio - 1 - design , Pdf file - click here for printable worksheet : the diagram opposite shows a small driver pulley pulling round a larger driven pulley.. Science online earth universe, Grade 1 earth and its place in the universe . the student will investigate the structure of the universe. d. distinguish between objects that appear in the day and.

My astronomy webpage - marcia' science teaching ideas, Star wheel worksheet: teaches concepts counterclockwise motion, east & west ( hold head, ". http://mjksciteachingideas.com/astronomy.html How earth connected moon, sun , Sc.4..5.4 :relate rotation earth (day night) apparent movements sun, moon, stars connected.. http://www.cpalms.org/Public/PreviewResourceLesson/Preview/46447 Planets - zoom astronomy - enchanted learning, Planet ( dwarf planet) distance sun (astronomical units miles km) period revolution sun (1 planetary year) period rotation. http://www.enchantedlearning.com/subjects/astronomy/planets/