Homepage – Science in School

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This happens because carbon dioxide produced from burning has a higher temperature, so it rises and accumulates at the top of the… </p> <a class="vf-hero__link" href="https://www.scienceinschool.org/article/2024/twist-on-the-candle-mystery/">Read more <svg width="24" height="24" xmlns="http://www.w3.org/2000/svg"> <path d="M0 12c0 6.627 5.373 12 12 12s12-5.373 12-12S18.627 0 12 0C5.376.008.008 5.376 0 12zm13.707-5.209l4.5 4.5a1 1 0 010 1.414l-4.5 4.5a1 1 0 01-1.414-1.414l2.366-2.367a.25.25 0 00-.177-.424H6a1 1 0 010-2h8.482a.25.25 0 00.177-.427l-2.366-2.368a1 1 0 011.414-1.414z" fill="" fill-rule="nonzero"></path> </svg> </a> </div> </section>  <section class="vf-card-container | vf-u-fullbleed vf-u-margin__bottom | vf-content" style="margin-top: 0 !important; margin-bottom: 0 !important;"> <div class="vf-card-container__inner"> <div class="vf-section-header"> <h2 class="vf-section-header__heading vf-section-header__heading--is-link"><a href="https://www.scienceinschool.org/issue/issue-70/">From the current issue</a><svg aria-hidden="true" class="vf-section-header__icon | vf-icon vf-icon-arrow--inline-end" width="1em" height="1em" xmlns="http://www.w3.org/2000/svg"> <path d="M0 12c0 6.627 5.373 12 12 12s12-5.373 12-12S18.627 0 12 0C5.376.008.008 5.376 0 12zm13.707-5.209l4.5 4.5a1 1 0 010 1.414l-4.5 4.5a1 1 0 01-1.414-1.414l2.366-2.367a.25.25 0 00-.177-.424H6a1 1 0 010-2h8.482a.25.25 0 00.177-.427l-2.366-2.368a1 1 0 011.414-1.414z" fill="" fill-rule="nonzero"></path> </svg></h2> </div> <article class="vf-card vf-card--brand vf-card--bordered sis-article-teach"> <span class="vf-badge sis-badge--teach">Teach</span> <img src="https://www.scienceinschool.org/wp-content/uploads/2024/10/Colour-mixing_teaser.png" alt="" class="vf-card__image" loading="lazy"> <div class="vf-card__content | vf-stack vf-stack--400"> <h3 class="vf-card__heading"><a class="vf-card__link" href="https://www.scienceinschool.org/article/2024/additive-mixing-coloured-shadows/"> Colour magic: additive mixing and coloured shadows <svg aria-hidden="true" class="vf-card__heading__icon | vf-icon vf-icon-arrow--inline-end" width="1em" height="1em" xmlns="http://www.w3.org/2000/svg"> <path d="M0 12c0 6.627 5.373 12 12 12s12-5.373 12-12S18.627 0 12 0C5.376.008.008 5.376 0 12zm13.707-5.209l4.5 4.5a1 1 0 010 1.414l-4.5 4.5a1 1 0 01-1.414-1.414l2.366-2.367a.25.25 0 00-.177-.424H6a1 1 0 010-2h8.482a.25.25 0 00.177-.427l-2.366-2.368a1 1 0 011.414-1.414z" fill="currentColor" fill-rule="nonzero"></path> </svg> </a></h3> <p class="vf-card__text" > With flying colours: Try some simple but striking experiments to illustrate temporal additive colour mixing, and create and mix coloured shadows. </p> </div> </article> <article class="vf-card vf-card--brand vf-card--bordered sis-article-teach"> <span class="vf-badge sis-badge--teach">Teach</span> <img src="https://www.scienceinschool.org/wp-content/uploads/2024/10/Tangible-statistics-teaser.png" alt="" class="vf-card__image" loading="lazy"> <div class="vf-card__content | vf-stack vf-stack--400"> <h3 class="vf-card__heading"><a class="vf-card__link" href="https://www.scienceinschool.org/article/2024/tangible-statistics/"> Tangible statistics: cutting and weaving through data <svg aria-hidden="true" class="vf-card__heading__icon | vf-icon vf-icon-arrow--inline-end" width="1em" height="1em" xmlns="http://www.w3.org/2000/svg"> <path d="M0 12c0 6.627 5.373 12 12 12s12-5.373 12-12S18.627 0 12 0C5.376.008.008 5.376 0 12zm13.707-5.209l4.5 4.5a1 1 0 010 1.414l-4.5 4.5a1 1 0 01-1.414-1.414l2.366-2.367a.25.25 0 00-.177-.424H6a1 1 0 010-2h8.482a.25.25 0 00.177-.427l-2.366-2.368a1 1 0 011.414-1.414z" fill="currentColor" fill-rule="nonzero"></path> </svg> </a></h3> <p class="vf-card__text" > Experience data like never before! 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class="vf-box__text"> Articles from previous issues </p> <p class="vf-box__text"> <a class="vf-link" href="/issue">View all issues</a> </p> </article> </section> <section> <div class="vf-grid vf-grid__col-3"> <article class="vf-card vf-card--brand vf-card--bordered sis-article-teach"> <span class="vf-badge sis-badge--teach">Teach</span> <img src="https://www.scienceinschool.org/wp-content/uploads/2015/07/PA_teaser.jpg" alt="" class="vf-card__image" loading="lazy"> <div class="vf-card__content | vf-stack vf-stack--400"> <h3 class="vf-card__heading"><a class="vf-card__link" href="https://www.scienceinschool.org/article/2015/beat-flood/">Beat the Flood <svg aria-hidden="true" class="vf-card__heading__icon | vf-icon vf-icon-arrow--inline-end" width="1em" height="1em" xmlns="http://www.w3.org/2000/svg"> <path d="M0 12c0 6.627 5.373 12 12 12s12-5.373 12-12S18.627 0 12 0C5.376.008.008 5.376 0 12zm13.707-5.209l4.5 4.5a1 1 0 010 1.414l-4.5 4.5a1 1 0 01-1.414-1.414l2.366-2.367a.25.25 0 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