Changes in matter
Terms
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- Chemical Change
- A change that produces new matter with different properties from the original matter.
- Chemical changes involve
- energy(burning, rusting,etc)
- Physical change
- A change in the size, shape, or state of matter with no new matter being formed.
- Examples of physical changes
- breaking chalk, ripping cutting paper,water to ice
- What makes matter expand?
- Heat
- What makes matter contract?
- Cooling it.(Freezing)
- What is a mixture?
- Matter made up of 2 or more substances.
- What is a solution?
- It is particles of different substances are mixed evenly throughout.
- What is an example of a mixture?
- Mixed nuts. Sand and sugar.
- What are some examples of solutions?
- The sea(salt water) and sugar and water.