The Threshold of Science : A Variety of Simple and Amusing Experiments Illustrating Some of the Chief Physical and Chemical Properties of Surrounding Objects, and the Effects Upon Them of Light and Heat a Heat (Classic Reprint)

Explore the science of everyday objects with hands‑on experiments that reveal how heat and light shape the world. This collection, The Threshold of Science, invites curious readers to discover physical and chemical properties through simple demonstrations.

Designed for accessible learning, the book presents clear setups and illustrations that show what happens when matter changes state, dissolves, or reacts. It invites readers to experiment safely and build practical skills while understanding the everyday science around them.

• Engage with real, easy experiments that illustrate solids, liquids, and gases and how temperature and pressure affect them.


• Explore solutions, crystallization, diffusion, and the separation of substances using common methods like evaporation and filtration.


• Watch chemical actions produce heat, color changes, and new substances, with explanations you can follow step by step.


• Develop basic lab habits and learn to handle simple apparatus such as thermometers, glassware, and heat sources.

Ideal for curious readers and students seeking practical, affordable science exploration.