👉 Watch the video of Sarah’s science experiment at Collier Elementary here! Hello parents, teachers and students! It’s a German Christmas tradition: candle carousels! Today’s experiment explores how ...

The candle warms the air inside the glass, causing higher pressure. After the candle goes out (due to the oxygen being used) the air begins to cool. This cooling air creates lower pressure, creating a ...

Sign up for Forwarding the News, our essential morning briefing with trusted, nonpartisan news and analysis, curated by Senior Writer Benyamin Cohen. The story of ...