Robert Gardner Books

Ideas for science projects

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Introduces the scientific method through instructions for observations and experiments in biology, physics, astronomy, botany, psychology, and chemistry

Energy projects for young scientists

By Robert Gardner

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Instructions for a variety of projects and experiments demonstrating basic concepts of energy, work, and power, including thermal, electrical, and solar energy, energy of motion and position, and e...

Science experiments

By Robert Gardner

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Provides instructions for science experiments and projects in botany, physics, energy, and nature, using such everyday objects as kitchen utensils, sink, and bathtub.

More ideas for science projects

By Robert Gardner

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Presents ideas for an exploration of how to set up science projects in the areas of astronomy, ecology, energy, biology, anatomy, botany, physics, and engineering.

Famous experiments you can do

By Robert Gardner

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Demonstrates scientific principles in the fields of chemistry and physics by replicating experiments performed by such scientists as Archimedes, Galileo, Antoine Lavoisier, and Sir Isaac Newton.

Experimenting with illusions

By Robert Gardner

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Explains how visual perceptions are processed and suggests how illusions can be produced with images and graphics.

Experimenting with inventions

By Robert Gardner

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Discusses how common household items can become useful inventions, how many inventions were discovered accidentally, and how new products can be patented.

Making and using scientific models

By Robert Gardner

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Discusses the use of scientific models to represent concepts in earth science, astronomy, biology, physics, and chemistry.

Robert Gardner's favorite science experiments

By Robert Gardner

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Science experiments, mostly using materials found in the home, demonstrating principles of chemistry, mechanics, biology, light, astronomy, heat, and electricity.

Robert Gardner's challenging science experiments

By Robert Gardner

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Presents easy-to-prepare scientific experiments that demonstrate principles of physics, chemistry, astronomy, and biology.

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.