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Physical and Chemical Change

Physical and Chemical Change

Assessment

Presentation

Science, Physics, Chemistry

2nd - 3rd Grade

Hard

Created by

Lexi Sutkus

Used 1+ times

FREE Resource

7 Slides • 0 Questions

1

Physical and Chemical Change

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2

Properties of Matter-Words to Know…



3

Matter

Anything that has mass and takes up space!

4

Extensive Properties

The volume of an object is a measure of the space occupied by the object. ì The volume of a basketball is greater than the volume of a golf ball. ì Mass and volume are both examples of extensive.

5

Changes of Matter

  • 1. Matter changes with the season, including changes in the color of leaves and in the temperature of the air.

  • 2. Matter can change in many ways, including physical changes and chemical changes.

6

What are physical changes?

  • 1. In a physical change, the identity of the substance does not change.

  • 2. Dissolving one substance in another does not change the identities of the substances.

  • 3. The formation of ice on the surface of a lake is an example of a(n) change in state

  • 4. Changes in state involve changes in the amount of energy that the particles in a substance have.

  • 5. The rate at which one state of matter changes into another depends on how much energy is added or taken away from the substance.

7

PERIODIC TABLE:

  • Dmitri Mendeleev – mid 1800’s -proposed a table for 70 elements based on increasing mass and similar properties 

  • Henry Moseley – 1913 -determined the atomic number of elements and arranged the table in order of increasing atomic number

  • Characteristics: - in the upper-right corner of the periodic table



Physical and Chemical Change

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