Physical Science Unit 3 Day 1

Physical Science Unit 3 Day 1

Learning Objective: Students will learn about chemical reactions by building background information and will diagram and explain chemical reactions in writing using technical vocabulary (products, reactants, gas, liquid, solid, molecules, valence electrons.)

Questions:

1. Why do chemical reactions occur? (brain question)
2. What happens when a chemical reaction occurs? (brain question)

3. Which could be signs that a chemical reaction has occurred? Check all that apply.
	A. New substances have formed. B. Heat is produced. C. Gas bubbles result. D. A solid has melted.

Exit Ticket for Day 1: Put together the information from unit 1 and 2 with the information we learned about today, how are they connected? Use all of the following sentences starters to guide your thoughts:

• Unit 2 was about....
• The main ideas for today's learning activity were...
• These units are connected because...