Signs that indicate a chemical reaction: 1. Color change 2. Change in temperature 3. Gas production 4. Precipitation 5. Change in properties(density, smell, taste, texture, hardness, etc.)
Reactant: a substance that participated in a chemical reaction Product: a substance that forms in a chemical reaction
Works Cited Physical Science with Earth and Space Science. N.p.: Holt Science Spectrum, 2008. Print.“Signs of Chemical Change.” General Chemistry Online. Ed. Fred Senese. N.p., n.d. Web. 12 Jan. 2015. .Vinegar & Baking Soda Erupting Volcano Test. YouTube. N.p., n.d. Web. 12 Jan. 2015. .