When steel mixes with oxygen.
What is rust?
changes from solid to liquid
What is Melting
When one or more substances change into a new substance.
What is a reaction?
when a liquid becomes gas.
What is evaporation?
When you rub sandpaper on a window.
What is scratching?
When water freezes in the frigde
What is the Cold
When you spill bleach on a shirt
What is color change?
When a solid becomes liquid.
What is Melting?
When Baking sod mixes with vinegar.
What is Carbon dioxide
What is the Sun's Heat?
When you activate an instant cold pack
what is an energy change?
When a liquid becomes solid.
What is Freezing?
This type of change alters the size, shape, or state of matter, but does not form a new substance.
What is a physical change?
When you boil a pan of water.
What is evaporation?
When you burn a piece of paper.
When a gas becomes solid.
What is deposition?
You can tell this type of change has occurred because it results in a brand new substance with new properties, such as a change in color, fizzing, or the release of heat (for example, baking a cake or rusting iron).
What is a chemical change?
When water forms on the top of a lid.
What is condensation?
when you see a sign reaction does that mean a one happens?
No
When a solid changes to a gas.
What is Sublimation?