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Product 14917

By: The Flinn Staff

In the Coacervate Laboratory Kit for biology and life science, actually produce the possible precursors of life. Coacevates look even more life-like when stained.

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Students actually produce the possible precursors of life-coacervates. The liquid, colloidal suspension produced by students will exhibit some of the same properties of living organisms. When the membrane-like structures surrounding the droplets are stained, the coacervates look even more life-like.The kit requires a compound microscope and slides. Enough materials are provided for 30 students working individually or in teams.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Engaging in argument from evidence
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

MS-PS1.B: Chemical Reactions
MS-LS1.B: Growth and Development of Organisms
MS-LS1.D: Information Processing
HS-PS1.B: Chemical Reactions
HS-LS4.A: Evidence of Common Ancestry and Diversity

Crosscutting Concepts

Systems and system models
Scale, proportion, and quantity

Performance Expectations

MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-LS1-5. Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
HS-PS1-6. Refine the design of a chemical system by specifying a change in conditions that would produce increased amounts of products at equilibrium.
HS-LS4-5. Evaluate the evidence supporting claims that changes in environmental conditions may result in (1) increases in the number of individuals of some species, (2) the emergence of new species over time, and (3) the extinction of other species.