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Beaker Freezer Kit

Item # 840378 Exclusive This product is exclusive to Carolina Biological Supply. With Digital This kit includes 1-year access to digital resources including videos, digital teacher’s manuals, printable student guides, interactive lessons, editable assessment questions, and more.

Product Highlights

  • Observe an extreme endothermic reaction between 2 solid compounds.
  • High school teacher-led, student-engaged demonstration with enough materials for 6 performances.
  • Carolina Kits 3D®—Labs that use phenomena to support NGSS and 3-dimensional instruction.



In stock and available to ship.

Students observe an extreme endothermic reaction between 2 solid compounds. They are provided real-world context relevant to endothermic reactions and asked to draw upon their prior knowledge to predict the outcome of the demonstration. Students demonstrate their grasp of the scientific concepts underlying the demonstration through a particle-level explanation and critical thinking.

Time Requirement
Total, 30 minutes. Teacher prep, 15 minutes. Demonstration and discussion, 15 minutes.

Digital Resources
Includes 1-year access to digital resources that support 3-dimensional instruction for NGSS. Digital resources may include a teacher manual and student guide, pre-lab activities and setup videos, phenomenon videos, simulations, and post-lab analysis and assessments.

Performance Expectations

Crosscutting Concepts
Energy and Matter

Disciplinary Core Ideas
PS1.B: Chemical Reactions

Science and Engineering Practices
Developing and Using Models

Learning Objectives

  • Use prior knowledge to predict what will happen in a chemical reaction.
  • Write a balanced chemical equation for an endothermic reaction.
  • Illustrate and explain an endothermic reaction on a molecular level.

Prerequisite Knowledge and Skills
Students should be familiar with writing chemical formulas, writing and balancing chemical equations, and interpreting energy level diagrams.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 800.334.5551 (8am to 8pm, ET, Monday-Friday).

  • This item is only available from Carolina Biological Supply Company.
  • This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. Visit our Login & Registration page to learn how to create a Login and link it to an approved school or business account.

Product Families Featuring This Item:

Components Qty Included?
Ammonium Chloride, 100 g 1 Included
Barium Hydroxide Octahydrate, 200 g 1 Included
Stir Rod 1 Included
Beaker, 150 mL 1 Included
Wooden Block 1 Included
Carolina Science Online® Resources (1-year subscription) 1 Included
Teacher's Manual with Reproducible Student Sheet 1 Included
Temperature-Resistant Gloves 2 Needed, Not Included
Graduated Cylinder or Small Pipet, 10 mL 1 Needed, Not Included
Balance 1 Needed, Not Included
Weigh Boat or Weigh Paper 2 Needed, Not Included
Spatulas 2 Needed, Not Included
Fume Hood or Ventilated Area 1 Needed, Not Included
Document Camera or Overhead Projector Needed, Not Included