US Department of Energy
Thermal Expansion of Water: Rise of Sea Level
New ReviewUsing bunsen burners, Erlenmeyer flasks, thermometers, hollow glass tubes, stoppers, and rulers, learners experiment with and measure how water expands when heated. The activity connects the expansion of water when heated to global...
Curated OER
Science Safety Rules
In this chemistry worksheet, students read the paragraphs on the sheet to locate the broken safety rules. Then they underline each one of these and count how many they found.
Curated OER
Threads
Students group observed data, filtering from all their observations the similarities between burring threads. In the second part they make a comparison of a chosen attribute between the two threads.