Curated OER
Rockin? Chalk (Integrating science - make own chalk)
Students use plaster of Paris, talc, and cornstarch to create their own chalk. They hypothesize what mixture of ingredients produce the "best" chalk. Students discuss what they think are the characteristics of the "best" chalk.
Curated OER
"Making a Good Impression"
Students are shown how fossils are formed and to learn how extinct organisms lived based on their remains and surroundings. They are shown TAKS review problems on the overhead related to evolution and fossil evidence. Students discuss...
NOAA
The Methane Circus
Step right up! An engaging research-centered lesson, the third in a series of six, has young archaeologists study the amazing animals of the Cambrian explosion. Working in groups, they profile a breathtaking and odd creature and learn...