physical and chemical change

by: Antonio D. Hawkins

and

Damon L. Banks

Mod 5

3/18/2014

Objective and Standard

Standard 4.0

students will use scientific skills and processes to explain the composition, structure, and interactions of matter in order to support the predictable structure and energy transformations.

use evidence from investigations to describe the effect of adding heat energy to different types of matter.

key terms

investigations- the action of investigating something or someone

heat energy-the term that we use to describe the level of activity for the molecules in an object.

matter-anything that takes up space

substances-a particular kind of matter with uniform properties

Questions and answers

How is changing a solid to a liquid a physical reaction?

Answer: It is physical change because it doesn't change what is on the inside but the outside

Describe what would happen if you add heat energy to a frozen rain?

Answer: The matter would change to a liquid.

What type of changes are used to change wood to ashes?

Answer: Many chemical changes occur in process

Physical and Chemical change

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Physical and Chemical change

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physical and chemical change

key terms

Questions and answers

Physical and Chemical change

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