CK-12 Foundation
Don't Slip
Salt is the go-to material when people need to melt ice—learn the chemistry behind its effectiveness with an interactive lesson. Pupils watch a short narrative and then explore the concept through a simulation. Young scientists...
American Museum of Natural History
What's This? Life at the Limits
There are some amazing ways species evolve to survive. From large ears to sneezing salt, learners read about these interesting adaptations in an interactive lesson. Great to supplement an in-class lesson, it also works well as a remote...
Curated OER
Telling Temperature
In this recognizing temperatures on a thermometer online interactive activity, students refer to a thermometer with numbers from minus twenty to one hundred to answer questions. Students choose 12 multiple choice answers.
Curated OER
Participial Adjectives 2 -ed/-ing
In this participial adjectives worksheet, students choose the correct way to complete the sentences with adjectives either ending in -ed or -ing. Students complete 16 sentences.
Other
Science Alive: Melting Point Simulation
Percy Julian and Josef Pikl used the fact that melting point-the temperature at which a substance changes from a solid to a liquid-is a characteristic property of a substance to prove that the British chemist Robert Robinson could not...
CK-12 Foundation
Ck 12: Chemistry Simulation: Salty Roads
[Free Registration/Login Required] Explore how solutes can keep roads clear of ice in the winter by learning how different types and concentrations of a solute affect the freezing point of a solution.