© 2020 BetterLesson. Image credit: NASA. { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }},

},{ Anything that has mass also has gravity. { bidder: 'ix', params: { siteId: '195465', size: [300, 250] }}, { bidder: 'appnexus', params: { placementId: '11654208' }}, var pbDesktopSlots = [

},{ { bidder: 'appnexus', params: { placementId: '11654156' }}, That is, objects do not have to touch each other for the force of gravity to affect them. var mapping_houseslot_b = googletag.sizeMapping().addSize([963, 0], []).addSize([0, 0], [300, 250]).build(); dfpSlots['rightslot2'] = googletag.defineSlot('/2863368/rightslot2', [[300, 250], [120, 600], [160, 600]], 'ad_rightslot2').defineSizeMapping(mapping_rightslot2).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads()); { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, Next, I will describe the definition of gravity to the students. { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, { bidder: 'sovrn', params: { tagid: '346693' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, I will ask students to share some common ideas that they had about gravity. força da gravidade, gravidade, seriedade…. { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, type: "html5",

{ bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, 'max': 3, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }},

{ bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, }); dfpSlots['topslot_b'] = googletag.defineSlot('/2863368/topslot', [[728, 90]], 'ad_topslot_b').defineSizeMapping(mapping_topslot_b).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads()); The Discovery of Gravity. { bidder: 'ix', params: { siteId: '195451', size: [300, 50] }}, An animation of gravity at work.

Albert Einstein described gravity as a curve in space that wraps around an object—such as a star or a planet. Gravity for kids – it’s what keeps your feet on the ground! { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, googletag.enableServices(); Usage explanations of natural written and spoken English, 0 && stateHdr.searchDesk ? Gravity is a force of attraction between two things. I will instruct students to complete this worksheet with their thoughts and opinions on the definition of gravity. googletag.pubads().collapseEmptyDivs(false);

The closer you are to an object, the stronger its gravitational pull is. Gravity is a force which tries to pull two objects toward each other.

{ bidder: 'ix', params: { siteId: '195464', size: [300, 600] }}, dfpSlots['topslot_a'] = googletag.defineSlot('/2863368/topslot', [], 'ad_topslot_a').defineSizeMapping(mapping_topslot_a).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'center').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads()); These examples are from the Cambridge English Corpus and from sources on the web. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_btmslot_300x250' }}, I will ask my students, "what will happen if I drop this ball on the floor?" { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot2_flex' }}, "sign-up": "https://dictionary.cambridge.org/auth/signup?rid=READER_ID", iasLog("__tcfapi useractioncomplete or tcloaded ", tcData, success); Thank you for helping us improve PBS Video. ga('create', 'UA-31379-3',{cookieDomain:'dictionary.cambridge.org',siteSpeedSampleRate: 10}); ga('set', 'dimension2', "entryex"); How does it work? expires: 365 googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); { bidder: 'ix', params: { siteId: '555365', size: [300, 250] }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, To conclude the lesson, we will review the definition of gravity again. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }},

iasLog("criterion : cdo_ei = gravity"); Contains Parliamentary information licensed under the. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, We can remove the first show in the list to add this one.

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googletag.cmd.push(function() { Gravity was the first fundamental force that humanity recognized, yet it remains the least understood. { bidder: 'sovrn', params: { tagid: '705055' }}, I will remind students that gravity is a force that that attracts objects or particles together. Gravity is one of the four fundamental forces in the universe, alongside electromagnetism and the strong and weak nuclear forces. { bidder: 'appnexus', params: { placementId: '11653860' }}, if(pl_p) The more massive an object is, the stronger its gravitational pull is.

bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }},

{code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, Gravity is a force which pulls things to the ground on Earth.

The word in the example sentence does not match the entry word. ga('send', 'pageview'); Add gravity to one of your lists below, or create a new one. });

pbjsCfg.consentManagement = { You've just tried to add this show to My List.

{ bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, BetterLesson reimagines professional learning by personalizing support for educators to support student-centered learning. If the increase in taxation is not large enough for that the brewers can nullify it by reducing gravities. enableSendAllBids: false, Problems Playing Video? This discussion will lead to me introducing the vocabulary word gravity. "noPingback": true, I will also explain that because Earth has such a large mass, it is easy to see gravity's effect on objects. Gravity also gets weaker with distance. the physical and electronic parts of a computer, rather than the instructions it follows, Between you, me and the gatepost: idioms connected with secrets, Clear explanations of natural written and spoken English. If another object is nearby, it is pulled into the curve. {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } },

var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); Learn more. var pbHdSlots = [ Therefore, there will be only insignificant forces of friction.

googletag.pubads().setTargeting("cdo_pc", "dictionary"); { { bidder: 'sovrn', params: { tagid: '346698' }}, To conclude the lesson, we will review the definition of gravity again.

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