Catalog Search Results
Series
Pub. Date
[2003]
Language
English
Description
The Mammoth Islanders are looking for an alternative to using mammoths to deliver their pizzas so they experiment with different internal combustion engines, from rockets to turbofan jet engines to gasoline engines. By comparing the advantages and drawbacks of these engines, they determine which one will serve their business best and ensure that the pizzas are delivered on time.
Series
Pub. Date
[2003]
Language
English
Description
When a mammoth delivering canvas awnings gets lifted off the ground by the wind, the Mammoth Islanders discover the power of the wind. The Islanders experiment and eventually learn the right combination of the four forces involved in flight: gravity, lift, thrust, and drag.
Series
Pub. Date
[2003]
Language
English
Description
Two young Mammoth Islanders are delivering mail with a mammoth-drawn wagon when they learn how important the force of friction is as they attempt to slow down. They test a variety of brakes to find the type just right for them, but even with proper brakes, they still get an unscheduled bath after a failed attempt to stop quickly.
Series
Pub. Date
[2003]
Language
English
Description
A visiting inventor discovers just how useful Mammoth Island's mammoth population is in keeping things warm one freezing winter day. The Islanders learn that heat can be travel from one place to another in three ways: conduction, convection, or radiation.
Series
Pub. Date
[2003]
Language
English
Description
Dropping boulders off a tower makes gravel for the Mammoth Island roads, but lifting the boulders up to the top of the tower is difficult and dangerous. A young Mammoth Islander suggests that rolling boulders up a ramp would be easier than hauling them up a tower.
Series
Pub. Date
[2003]
Language
English
Description
Two young Mammoth Islanders and a visiting inventor learn the properties of light by observing a room full of crystal trophies. They learn that light waves can do three things when they strike an object: they can bounce, they can pass through; or they can be absorbed. The Islanders also studied lenses to bend light, and they looked through telescopes, periscopes, and binoculars.
Series
Pub. Date
[2003]
Language
English
Description
The Mammoth Islanders discover the power of an invisible force called magnetism when lightning strikes their wire and iron bar "clothes dryer." When an electric current flows through the wire, the current creates a magnetic field around it. The Islanders learn that opposites do attract.
Series
Pub. Date
[2003]
Language
English
Description
The inhabitants of Mammoth Island work together to retrieve a wedding ring that has fallen down a sink drain. They discover what a straw, a plunger, a vacuum and a jackhammer all have in common and the differences and similarities between air pressure (pneumatic machines) and liquid pressure (hydraulic machines).
Series
Pub. Date
[2003]
Language
English
Description
The inhabitants of Mammoth Island are trying to find the best method to lift their mammoths when a young Islander uses a simple machine called a pulley to get the job done. A pulley is a wheel that carries a rope, chain or cable on its rim and can be used alone or with other pulleys to lift heavy loads.
Series
Pub. Date
[2003]
Language
English
Description
A family of Mammoth Islanders remodel a quaint old lodge in the mountains and decide that the old building could use some modernization. A visiting inventor suggests sensors, and explains the principles behind different types of sensors that respond to heat, light, sound, pressure, magnetism, or motion.
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