{"id":67,"date":"2014-10-09T11:38:52","date_gmt":"2014-10-09T11:38:52","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/?page_id=67"},"modified":"2021-08-23T11:01:09","modified_gmt":"2021-08-23T11:01:09","slug":"chem-changes-sht_2","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/chem-changes-sht_2\/","title":{"rendered":"Chemical Changes Homework Week 3"},"content":{"rendered":"\n\n\n
\u00a0In your jotter write the DATE in the margin.
\nNow add a TITLE for your homework.
\nYour title should be the name of the Homework: Chemical Changes Homework Week 3<\/td>\n		\"\"<\/a><\/td>\n\"\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n\u00a0Question 1.
\n<\/strong><\/td>\n<\/tr>\n
<\/td>\n\u00a0Examine the diagrams below.<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"PictureAAA\"<\/td>\n<\/tr>\n
a)<\/td>\nIn your jotter, write down a list of\u00a0those pictures which\u00a0show a\u00a0chemical reaction occurring.<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n <\/p>\n

Question 2.<\/strong><\/td>\n<\/tr>\n

<\/td>\nIn each of the diagrams below a chemical reaction is occurring.<\/p>\n

Examine the diagrams, and for each\u00a0reaction and\u00a0explain how you\u00a0know a chemical reaction has taken place.<\/td>\n<\/tr>\n

\u00a0a)<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n
\u00a0b)<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\"\"<\/td>\n<\/tr>\n
\u00a0c)<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\"\"<\/td>\n<\/tr>\n
\u00a0d)<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\"\"<\/td>\n<\/tr>\n
\u00a0e)<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\"\"<\/td>\n<\/tr>\n
<\/td>\nQuestion 3.<\/strong><\/td>\n<\/tr>\n
<\/td>\n\u00a0Which of these is a chemical reaction?<\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
\u00a0A<\/td>\n\u00a0A lake freezes solid.<\/span><\/td>\n<\/tr>\n
\u00a0B<\/td>\n\u00a0Gravel, sand, and water are mixed<\/span><\/td>\n<\/tr>\n
\u00a0C<\/td>\n\u00a0A copper bar is rolled into a flat sheet<\/span><\/td>\n<\/tr>\n
\u00a0D<\/td>\n\u00a0Vinegar bubbles when baking soda is added.<\/span><\/td>\n<\/tr>\n
<\/td>\nQuestion 4.<\/strong><\/td>\n<\/tr>\n
<\/td>\n\u00a0Which process is a physical change?<\/span><\/td>\n<\/tr>\n
\u00a0A<\/td>\n\u00a0Rusting iron<\/span><\/td>\n<\/tr>\n
\u00a0B<\/td>\n\u00a0Burning coal<\/span><\/td>\n<\/tr>\n
\u00a0C<\/td>\n\u00a0Melting ice<\/span><\/td>\n<\/tr>\n
\u00a0D<\/td>\n\u00a0Tarnishing silver<\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nQuestion 5.<\/strong><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0A mixture of iron filings and sulfur can easily be separated by \u2014<\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
\u00a0A<\/td>\n\u00a0using a magnet<\/span><\/td>\n<\/tr>\n
\u00a0B<\/td>\n\u00a0heating the mixture<\/span><\/td>\n<\/tr>\n
\u00a0C<\/td>\n\u00a0dropping the mixture into acid<\/span><\/td>\n<\/tr>\n
\u00a0D<\/td>\n\u00a0placing the mixture in water<\/span><\/td>\n<\/tr>\n
<\/td>\nQuestion 6.<\/strong><\/td>\n<\/tr>\n
<\/td>\n\u00a0If you break a piece of glass, the shape of the glass changes, but the properties in the fragments remain the same. Which of the following has occurred?<\/span><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
\u00a0A<\/td>\n\u00a0A physical change<\/span><\/td>\n<\/tr>\n
\u00a0B<\/td>\n\u00a0A temperature change<\/span><\/td>\n<\/tr>\n
\u00a0C<\/td>\n\u00a0A chemical change<\/span><\/td>\n<\/tr>\n
\u00a0D<\/td>\n\u00a0A state change<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0In your jotter write the DATE in the margin. Now add a TITLE for your homework. Your title should be the name of the Homework: Chemical Changes Homework Week 3   \u00a0Question 1. \u00a0Examine the diagrams below. \u00a0 a) In your jotter, write down a list of\u00a0those pictures which\u00a0show a\u00a0chemical reaction occurring.   Question 2. … Continue reading “Chemical Changes Homework Week 3”<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-67","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/pages\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/comments?post=67"}],"version-history":[{"count":30,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/pages\/67\/revisions"}],"predecessor-version":[{"id":1545,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/pages\/67\/revisions\/1545"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecscis1hwrk\/wp-json\/wp\/v2\/media?parent=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}