Two solids are combined. After a small amount of heat is applied, an explosion occurs and smoke is released.
Drops of a clear liquid are added to a red liquid. As the drops are added, the red liquid becomes orange, then yellow.
Two clear liquids are combined. A green solid forms.
When an egg is placed in a hot frying pan, the yolk and white become firmer and more opaque, and steam is emitted.
Two colorless chemicals combine inside a glow stick. When the chemicals combine, they produce brightly colored light. The glow stick’s temperature does not change.
Did you find these answers helpful?