http://www.ck12.org Chapter 3. Chemical Interactions
Explore More
Watch the lab demonstration at the following URL. Then, describe the sequence of signs of chemical reactions that
you observe in the demonstration.
http://www.youtube.com/watch?v=FKb-ZUbbXCA
MEDIA
Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/82377Review
- How can you tell whether a change in matter is caused by a chemical reaction?
- When water freezes, it changes to ice. Is this a chemical reaction? Why or why not?