Glow Stick Lab - Law of Conservation of Mass

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Who doesn’t love glow sticks?! This lab will engage your students with the Law of Conservation of Mass like you have never seen. Students will determine the mass of the glow stick before cracking it and see how it compares with the mass after the reaction is complete (inside secret...they are the same). This lab can be used to engage, explain, or elaborate on how the before and after masses stay the same in a chemical reaction.

Answer Key! - Includes an answer key with explanations so you will feel at ease while reviewing the material with students.

Relevancy! - Real world application to help students make connections between what they learn and what they see in their lives.

Almost Done! - Don't forget the most important part...the glow sticks! After downloading this lab you will need to obtain enough glow sticks for your classroom to complete this lab, at least one per group (or one if you are doing a whole class demo). Also, be sure you have a scale so your students can measure the mass.

Tips and Tricks! - ‘Teacher Tips’ on how to improve and expand the lab within your classroom.

Total Pages
Answer Key
Teaching Duration
45 minutes
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