{"id":61298,"date":"2026-10-03T21:32:31","date_gmt":"2026-10-03T21:32:31","guid":{"rendered":"https:\/\/www.birkwood.org.uk\/website\/?p=61298"},"modified":"2026-10-03T21:32:31","modified_gmt":"2026-10-03T21:32:31","slug":"how-does-light-travel","status":"publish","type":"post","link":"https:\/\/www.birkwood.org.uk\/website\/how-does-light-travel\/","title":{"rendered":"How does light travel?"},"content":{"rendered":"
Y3LP have learnt that light always travels in straight lines. We created and completed an experiment to show this. We used three large pieces of cardboard each with a hole in them at the same height. We lined up the pieces of cardboard, put a candle at the end and looked through the holes to see the light. Then we moved the middle piece of cardboard each with and could no longer see the light as the straight path was blocked…
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Y3LP have learnt that light always travels in straight lines. We created and completed an experiment to show this. We used three large pieces of cardboard each with a hole in them at the same height. We lined up the pieces of cardboard, put a candle at the end and looked through the holes to […]<\/p>\n","protected":false},"author":1,"featured_media":61299,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[184,123],"tags":[],"class_list":["post-61298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science","category-class-of-2025","et-has-post-format-content","et_post_format-et-post-format-standard"],"jetpack_shortlink":"https:\/\/wp.me\/p3magh-fWG","jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.birkwood.org.uk\/website\/wp-content\/uploads\/2026\/10\/How-does-light-travel1.jpeg?fit=800%2C600&ssl=1","_links":{"self":[{"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/posts\/61298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/comments?post=61298"}],"version-history":[{"count":1,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/posts\/61298\/revisions"}],"predecessor-version":[{"id":61303,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/posts\/61298\/revisions\/61303"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/media\/61299"}],"wp:attachment":[{"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/media?parent=61298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/categories?post=61298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.birkwood.org.uk\/website\/wp-json\/wp\/v2\/tags?post=61298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}