Changes: Crash Course Kids #19.2: Chemical

Two liquids are mixed together and a solid "chunk" suddenly appears. ⚡️ Common Examples

Like a silver spoon turning black (tarnish) or a green leaf turning orange in the fall. Chemical Changes: Crash Course Kids #19.2

This indicates that a gas is being produced. Two liquids are mixed together and a solid

How can you tell if a reaction is happening? Look for these "clues": Chemical Changes: Crash Course Kids #19.2

Iron reacting with oxygen and water to create iron oxide. Burning: Wood turning into ash, smoke, and heat.