Curated OER
Ice Floats
Students explore the changing density of water. In this physics instructional activity, students investigate how an object's density determines whether it will float or sink in water. They explain why this unique property of is important...
Curated OER
Understanding Chemical and Physical Reactions
In this chemical and physical reactions worksheet, students read a 2 page science article, answer 10 statements as true or false, give 2 ways a chemical reaction is different from a physical reaction, answer 1 short answer question and...
Curated OER
What Changes Occur When Ice Melts?
Young scholars explore the physical process of melting. They observe melting ice and answer questions related to energy transfer during phase changes.