#8 Physical and Chemical Changes in Matter, Part 2

Last updated over 4 years ago
3 questions
For this review lesson, you are going to looking for things around your living space. *Please do not use anything with fire unless an adult caregiver is present.
1

*NOTE- To upload your own image or video, you will need to click on one of the choices on the right side of the vertical menu bar.

Find one physical change that you can either take a picture of (before/after pics) or take a quick video. Must have an example of a change in appearance (size/shape), mixture, phase change, or something dissolving.

1

*NOTE- To upload your own image or video, you will need to click on one of the choices on the right side of the vertical menu bar.

Find one chemical change that you can either take a picture of (before/after pics) or take a quick video. Must have an example of a change in unexpected temperature, gas bubbles, precipitate formed, unexpected color/odor, burning (adult supervision required for burning).

2

Josh created the model above to explain what happens in a chemical reaction.
Examine the above model and use what you know about chemical reactions to determine whether Josh’s model correctly explains that a chemical reaction conserves atoms.