In this lab, students will:
- Create a mixture and make observations about its properties as its state of matter changes
- Learn techniques to micropipette and measure small quantities of liquids
- Discover and identify elements in the hemlock ecosystem, including producers, consumers, and decomposers
- Perform gel electrophoresis to compare DNA from known pests to an unknown tree killer (scientists use this method to separate out parts of a mixture)
- Discuss possible solutions communities can use to stop the unknown tree killer and save the hemlock ecosystem
Standards:
- 5-PS1-3. Make observations and measurements to identify materials based on their properties.
- 5-PS1-4. Conduct an investigation to determine whether the mixing of two or more substances results in new substances.
- 5-LS2-1. Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
- 5-ESS2-1. Develop a model using an example to describe ways the geosphere, biosphere, hydrosphere, and/or atmosphere interact.
- 5-ESS3-1. Evaluate potential solutions to problems that individual communities face in protecting the Earth’s resources and environment.
Typical Schedule*:
9:00 – 9:15 | Arrive/walk to the lab |
9:30 | Start lab (up to 64 students**) |
11:30 – 12:00 | End lab |
*Schedule can be adjusted to meet your school’s needs
**If you have more than 64 students, see large group schedule
Typical Large Group Schedule*:
9:00 – 9:15 | Arrive/walk to the lab |
9:15 – 11:15 | Lab for A group** (up to 64 students) |
11:15 – 11:45 | Switch groups |
11:45 – 1:45 | Lab for B group*** (up to 64 students) |
1:45 – 2:00 | Depart |
*Schedule can be adjusted to meet your school’s needs
**B group participates in another campus activity; school chaperones arrange
***A group participates in another campus activity; school chaperones arrange