Curated OER
The Colors of Chemistry
Students investigate the acidity and alkalinity of common household products in an experiment. They use red cabbage juice and litmus paper to show the difference between strong acids and bases as they work with vinegar, dish washing...
Curated OER
Looking At Acid's Effects On Metals
High schoolers perform an experiment that demonstrates acid rain. The chemical effect of acids on metals may take at least five days for the human eye to see, even though the reaction starts as soon as the acid contacts the metal.
Curated OER
Observing Buffers In Lakes, Ponds And Streams
Students observe the effects of limestone on the acidity of water. Some areas of the nation have a lot of limestone in lake bottoms and in soil, which helps neutralize the effects of acid rain. Students see this effect first hand.
Curated OER
The Oceanographic Yo-Yo
Students examine how oceanographers use chemical and physical parameters of seawater to locate hydrothermal vents. In this ocean lesson students complete an activity and worksheets.
Curated OER
Underwater Picture of the Hudson River Estuary
Students identify important aspects of water quality such as slainity and turbidity. They test two of the water quality parameters and determine the quality of the water. In addition, they construct two sets of graphs based on data...