Curated OER
Funny Putty, Serious Stuff
Learners make putty and explore its properties. In this colloids lesson, students identify the properties of solids, liquids, and gases. Then, they create a collide and examine its unique properties.
Curated OER
Crazy Putty Ratio
Second graders use knowledge of measurements and ratios to mix various combinations of liquid starch and glue. They chart their ratios, make observations, and write a summary of the activity. They mix their own batch of Crazy Putty to...