✒️SCIENCE

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✒️CHANGES IN MATTER

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HERE'S MY ANSWER

CHANGES IN MATTER:

2 TYPES

✒️physical changes and chemical changes

• Chemists make a distinction between two different types of changes that they study—physical changes and chemical changes.

DESCRIPTION:

✒️PHYSICAL CHANGE:

• A physical change is a change to the physical—as opposed to chemical—properties of a substance.

✒️CHEMICAL CHANGE:

• A chemical changes is any substance that has a defined composition.

EXAMPLES OF PHYSICAL CHANGES:

✒️Examples of Physical Changes

1. Changes Crushing a can.
2. Melting an ice cube.
3. Boiling water.
4. Mixing sand and water.
5. breaking a Glass

EXAMPLES OF CHEMICAL CHANGES:

✒️Examples of Chemical Change

1. Burning of paper and log of wood.
2. Digestion of food.
3. Boiling an egg.
4. Chemical battery usage.
5. Electroplating a metal.

Explanation:

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