Lesson in speeding Grade 5 students in Stittsville had a chance to use a radar gun to track speeding cars on Tuesday. CTV's Leah Larocque reports. Grade 5 students in Stittsville had class outdoors ...

Students will be able to explain that cooling water can change it to ice and that heating ice can change it back to liquid water. Students will be able to explain that this process can also happen to ...

Heating can make a substance change. Heating can make some substances change in a way that they cannot be changed back again by cooling. In the previous lesson, students saw that some substances that ...