Although all students know that it is essential to wear safety goggles during many science investigations, it can be helpful to provide a powerful demonstration showing why this is so important. This quick and easy demonstration can illustrate the necessity of appropriate safety eye wear without anyone actually getting hurt.
Related Resources:
Teacher Demo: Banana DNA Isolation
Categories: Teacher Demonstration
This demonstration results in the isolation of DNA from banana. It is very useful for students to see DNA to bring some sense of physical reality to what can be a very abstract topic. read more
Teacher Demo or Activity: Pop Rocks - What a Gas!
Categories: Lab/Student Activity, Teacher Demonstration
This activity allows students to explore the composition of the candy Pop Rocks by observing the reactions that take place when Pop Rocks are placed in water. read more
Teacher Demo: Flame Tests
Categories: Teacher Demonstration
This classic demonstration involves conducting flame tests of metal salt solutions. The colour of each flame test can be used as a qualitative test to detect the presence of the corresponding metal... read more