Innovating Science® - STEM Investigation: Is Yeast Alive?

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Manufacturer ID - IS3452

Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.

Safety Data Sheet

How do scientists know if something is alive? There are certain characteristics of all living things that the scientific community uses to judge whether something is alive. On first observation, yeast does not look like a typical living thing. In this activity, students will hypothesize about yeast and then test to see if their hypothesis is correct. Using this information, they will be able to come to a conclusion to the question of whether yeast is alive. Kit contains enough materials for 15 groups. Teacher's Guide and Student Study Guide copymasters are included.

Aligned to the Next Generation Science Standards (NGSS)*

Disciplinary Core Ideas: PS1.A; LS1.B; LS1.C; ETS1.B; ETS1.C
Performance Expectations: 2-PS1-1; 3-LS1-1; MS-LS1-7; MS-ETS1-3
Cross Cutting Concepts: Patterns; Energy and Matter
Engineering Practices: Planning and Carrying Out Investigations; Developing and Using Models; Analyzing and Interpreting Data

Kit Includes:
40g Yeast
25g Sucrose
200mL Sabouraud-Dextrose Agar
20 Petri Dishes
30 Test Tubes
40 Balloons
15 Pipettes

Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.

DOT Info:

*"Next Generation Science Standards" is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.
Brand Name
Innovating Science®
Performance Expectations 5-PS1-3
Cross Cutting Concepts Cause and Effect
Scale, Proportion, and Quantity
Engineering Practices Planning and Carrying Out Investigations
Box Used 12663SBOX
Width (in) 6.25
Height (in) 4
Weight (oz) 19.9
Weight (lb) 1.24
Country of Origin US
Harmonization Code 9023.00.0000
DOT Description Non regulated

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