Physical Science Unit 3 Day 2

Learning Objective: Students will learn about chemical reactions and the Law of Conservation of Matter by completing a lab and will hypothesize and collect data in writing using technical vocabulary (law of conservation of mass, products, reactants, chemical reaction).

Questions:

1. What is a law in science? (brain)
2. What is the Law of Conservation of Matter (or mass)? (book)

2. In a chemical reaction, what demonstrates that the law of conservation of mass is obeyed?
	A. Atoms only rearrange. B. Atoms turn into other atoms. C. Atoms are created. D. Atoms are destroyed. Exit Ticket for Day 2: Summarize the lab/learning activity we did in class today (2-3 sentences). Why were we doing this lab? (explain)