Chemical vs Physical Changes

Is water melting a physical or chemical change?

• Physical
• Chemical

Is salt dissolving in water a physical or chemical change?

• Physical
• Chemical

Is digesting your food a physical or chemical change?

• Physical
• Chemical

Is sour milk a physical or chemical change?

• Physical
• Chemical

Is steam a physical or chemical change?

• Physical
• Chemical

Are hard boiled eggs a physical or chemical change?

• Physical
• Chemical

Is melting butter a physical or chemical change?

• Physical
• Chemical

When things burn this is a chemical reaction called COMBUSTION.  What does every combustion reaction require?

• Hydrogen
• Carbon dioxide
• Oxygen
• Water

Is adding sugar to your coffee a physical or chemical change?

• Physical
• Chemical

When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?

• Physical
• Chemical