A long, flat board on a wall used to hold objects.
Shelf
A small round body of air or gas in a liquid.
Bubbles
Safety glasses.
Goggles
A glass container used in a scientific laboratory.
Test tube
Information that teach you how to do something or use something.
Instructions
It has a consistency similar to water or oil.
Liquid
A piece of clothing that you wear over the front of other clothes to keep the clothes clean.
Apron
A piece of clothing that is worn on the hand and wrist for protection.
Gloves
A violent burst, often with a loud noise.
Explosion
A dry substance that consists of extremely small pieces.
Powder
