Physical and CHEMICAL CHANGES
Sixth Grade Science Newsletter
Questions:
In what ways do the properties of matter change when elements are chemically combined?
How are the properties of the original substances (reactants) different from the properties of a newly formed substance (product) after a chemical reaction?
How do we know when a new substance has formed?
Can you name the Evidences of a CHEMICAL CHANGE?
Production of a Gas (bubbles)
Odor (if generated from a substance change like rotting food)
Precipitate (two liquids make a solid)
Change of Color (on a molecular level like rusting or coloring hair with chemicals)
Unexpected Temperature Change
Production of Light (fireworks and lighting a match)
Vocabulary
- Physical change – change which alters the physical properties of a substance without changing its identity
- Chemical change – the formation of a new substance with different properties; cannot be undone by physical means
- Precipitate – the solid that is formed as a result of a chemical change
Brainpop - What's the difference between a physical and chemical change?
Username: kilgoremiddle Password: pop1
A REVERSIBLE PHYSICAL CHANGE is shown in the Anthill Art video below.
A CHEMICAL CHANGE is shown in the Coca Cola and Milk video below.
Evidences of a Chemical Change PHRASES:
Cute - Color
Girls - Gas
Love - Light
apps
On - Odor
Their - Temperature
Phones - Precipitate
Cool - Color
Guys - Gas
Love - Light
apps
On - Odor
Their - Temperature
Phones - Precipitate
Movie Poster Project for a Chemical or Physical Change
This is not a big poster. It will be done on a piece of white copy paper.
Movie Poster Project
Due Date: September 27th
Real Movie Poster Example
Real Movie Poster Example
Real Movie Poster Example
Chemical or Physical Change?
If you are not part of the solution, you are part of the precipitate.
Everything is Changing!
https://www.youtube.com/watch?v=RG8VHqHgF44
2. Create a Chemical / Physical t-chart.
3. List all the Physical and Chemical changes in the song.
4. Explain how Physical and Chemical changes are defined in the song.