After reviewing heterogeneous and homogeneous mixtures and compounds and elements, we talked about physical and chemical properties as a way to describe substances. If you need to find those definitions, they are on pg. 40 and pg. 53 of your textbook.
Then, we learned about the changes that substances can undergo, whether they are physical changes or chemical changes (on pg. 42 and 53 of your textbook).
Despite the change that happens to a substance, mass is always conserved though! That's because of the law of conservation of mass (pg. 55).
To see how molecules react in the states of matter, which are physical changes, you can play around on this simulation!
To solidify (ha!) our understanding, there was a worksheet we did too!
Then, we learned about the changes that substances can undergo, whether they are physical changes or chemical changes (on pg. 42 and 53 of your textbook).
Despite the change that happens to a substance, mass is always conserved though! That's because of the law of conservation of mass (pg. 55).
To see how molecules react in the states of matter, which are physical changes, you can play around on this simulation!
To solidify (ha!) our understanding, there was a worksheet we did too!
physical_vs._chemical.doc |