5-PS1-4

SCUSD NGSS Curriculum Guide ====**5-PS1-4: Conduct an investigation to determine whether the mixing of two or more substances results in new substances. **====

Science Background for the Teacher:
If a new substance is formed, there must be a chemical reaction. Atoms and molecules of rearranged. There is not always a chemical reaction when substances are formed (water and food coloring is a distribution of color, not a chemical change); it simply creates a mixture.

Key Vocabulary:

 * [key vocab term for this performance expectation] || [key vocab term for this performance expectation] || [key vocab term for this performance expectation] || [key vocab term for this performance expectation] ||
 * atoms || molecules || substance ||  ||
 * chemical property || physical property ||  ||   ||

Possible Assessments (formative and/or summative):
[Description of assessment task]

Key Student Activities:
Foss Kit Mixtures and Solutions - Fizz Quiz activity

Key Teacher Demos/Activities:
Make a solution with each material

Common Student Misconceptions:
Opening a can of soda is not a chemical change when you see bubbles.

There is not always a chemical reaction when substances are formed (water and food coloring is a distribution of color, not a chemical change); it simply creates a mixture.

Things to Avoid/Correct:
Most things that are mixed do not cause a chemical reaction.

====Other Resources (text, video, simulations, activities, models, etc..): ====

[Descriptions or links to other resources that would support student understanding of this topic or mastery of these performance expectations.]