Speech Bubble 

A test tube or science beaker with a round base containing a bubbly liquid.

Science Flask With Round Base And Bubbles

A round based beaker with a narrow rim and liquid.

Two empty flasks, a beaker and an erlenmeyer or conical flask.

A vase or beaker with a tube stem and a circular base.

A beaker, flask, or vase with a tube stem and a triangular or conical base.

A triangular based beaker with a narrow rim and bubbles.

A triangular based beaker with a narrow rim and liquid.

A round scientific flask with overflowing bubbles.