Young scholars explore the changing density of water. For this physics lesson, 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 to...

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...

Students explore the physical process of melting. They observe melting ice and answer questions related to energy transfer during phase changes.