Physical and Chemical Changes
By Wade and Ricardo
Physical Changes:
A picture of a physical and chemical change.
Physical and Chemical Change. Digital image. N.p., n.d. Web
Physical and Chemical Change. Digital image. N.p., n.d. Web
Examples of a Physical Change:
Chemical Changes:
Examples of a Chemical Change:
We chose this topic because:We chose this topic because , We think that physical changes are cool and how many there are. We like this because there are so many different ways things change physically or chemically. I think that the chemical changes are the best because 1 second it can be this and the next it is a different substance that has a different chemical make up. I wish that we could see atoms combine and make a different substance, things like this are the most interesting things in science.
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Summary:Physical Properties- They are changes that can be observed without changing the substance from something like ices melting point. It is more like something going through phases like liquid to gas to a solid. This could be water freezing or evaporating. More physical things are melting point, boiling point, freezing point, or the change in smell or color. A physical change can be undone like separating sand from gravel.
Chemical Properties- They are were the characteristics of a substance changes its chemical composition. An example of chemical properties are eggs frying, metal rusting, or combustion, this is were it changes, metal turns to rust, in combustion the gas and air or oxygen are burned chemically changed. A chemical change can not be reversed, it is permeate. |
Citations:
"Chemical Changes Versus Physical Changes." Chem4Kids.com: Matter: Chemical vs. Physical
Changes. N.p., n.d. Web. 09 June 2015.
Helmenstine, Ph.D. Anne Marie. "Chemical & Physical Changes." N.p., n.d. Web. 09 June 2015.
Kint. "Physical and Chemical Changes." Physical and Chemical Changes. N.p., n.d. Web. 09 June 2015.
Helmenstine, Ph.D. Anne Marie. "Chemical & Physical Changes." N.p., n.d. Web. 09 June 2015.
Kint. "Physical and Chemical Changes." Physical and Chemical Changes. N.p., n.d. Web. 09 June 2015.