Curated OER
What Can We Lose? What Do We Lose as we Gain Force With A Lever?
Third graders view a demonstration of a teeter totter as a basis for assessing pre-knowledge of a lever. They create a KwL chart. Students work in small groups to conduct a variety of experiments. The first requires students to tie books...
Curated OER
Activity 4: Alvin Dive, A Mysterious Encounter and Change Over Time
Students receive copies of the Time Series Observations to use for note-taking. They work in small groups to discuss what they see when the outside lights of Alvin are turned on, and off, where the bacteria may have come from. They view...
Curated OER
Extraction of DNA from White Onion
High schoolers investigate techniques involved in extracting and isolating DNA. Students extract and observe onion DNA.