tools

Looks at the history and science of tools.

Reader that talks about cutting tools such as pizza rollers, knives and scissors.

Photographs and simple text describe the various tools needed to put things together such as hammer and nails, wrenches, screwdrivers, stapler, and riveter.

"Tools For Measuring shows tools that people use to measure all kinds of things.".

Discusses how simple machines found in health tools, such as the scalpel, forceps, wheelchair, ramp, and oxygen tank, help people do their work.

Simple text and photographs describe wrenches and how they are used.

Simple text and photographs describe saws and how they are used.

Simple text and photographs describe levels and how they are used.

Simple text and photographs describe hammers and how they are used.

Simple text and photographs describe pliers and how they are used.