When a solid is heating in a test tube, it can sometimes explode. It is important to protect yourself from hot material. There are special techniques that can prevent solids exploding in a test tube.

Things to remember:

• Point the test tube away from your eyes and any other people in the room

• Put the test tube into the hottest part of the flame

• While heating move the test tube from side to side

• always wear safety goggles.