Debra Voege – författare
Visar alla böcker från författaren Debra Voege. Handla med fri frakt och snabb leverans.
12 produkter
How Do Solar Panels Work?
Av Richard Hantula, Debra Voege
Inbunden, 2009
350 kr
Lägg i varukorg
Among recent concerns about the use of nonrenewable fuels such as oil and coal, scientists have been trying to discover alternative ways of making energy and electricity available. Sunlight is a free, unlimited resource that hits the Earth with more energy in an hour than the people of the world …
How Do Aircraft Fly?
Av Susan Markowitz Meredith, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
If you go outside on a windy day, you realize just how strong air can be. It can lift a kite high in the sky and grab onto a balloon and carry it away. But even when the air is calm, you can feel its strength and resistance when you move. ""How Do Aircraft Fly?"" reveals the science behind air …
Why Do Ships Float?
Av Susan Markowitz Meredith, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
When you step into a full bathtub, you learn a lot about displacement of water. As your body sinks into the tub, the water moves out of the way. But water is also pushing up on you as you enter into it. ""Why Do Ships Float?"" reveals the science behind buoyancy and why objects float, even if they …
How Do Plants Get Food?
Av Barbara J. Davis, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
When people get hungry, they eat a meal. All animals and plants need water and sustenance to survive and grow. Animals get their energy from eating food, but plants have a different method. ""How Do Plants Get Food?"" exposes how plants get food and make energy through photosynthesis. Real-world …
How Does a Spacecraft Reach the Moon?
Av Barbara J. Davis, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
The Moon is very far from Earth. Yet, scientists have been able to get satellites, shuttles, and other spacecraft into space and a few manned spacecraft to land on the Moon. ""How Does a Spacecraft Reach the Moon?"" reveals the science behind propulsion and the energy it takes to get large craft …
Why Do the Lights Turn on?
Av Barbara J. Davis, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
When you walk into a room and flip a light switch, a lightbulb turns on, illuminating the area. But how does one small switch do such a large job? This title enlightens readers about the science behind electricity and circuits through full-color illustrations and photographs.
How Do Refrigerators Work?
Av Christina Wilsdon, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
Nearly every home has a refrigerator to keep foods tasty and safe to eat. But how does this handy kitchen appliance keep foods cool? ""How Do Refrigerators Work?"" explains the science behind the workings of a refrigerator, its history in the household, and how energy and pressure are used to keep …
How Do Islands Form?
Av Christina Wilsdon, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
There are hundreds of islands on Earth, from the isle of Manhattan to the island chain of the Philippines. However, these islands did not appear overnight. It often took thousands or millions of years for them to form. ""How Do Islands Form?"" uncovers the science of island formation, showing the …
How Do Cell Phones Work?
Av Richard Hantula, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
Cell phones have changed the way people live, work, and communicate with each other. Since the first handheld phone was created in 1973, cell phones have only increased in popularity. ""How Do Cell Phones Work?"" delves into the science behind cell phones and the reasons for their popularity, from …
How Do Hybrid Cars Work?
Av Richard Hantula, Debra Voege
Inbunden, 2009
350 kr
Tillfälligt slut
In recent years, there has been much concern about the world's reliance on nonrenewable resources, such as oil. Scientists are attempting to decrease our dependency on oil - something cars require to work. Hybrid cars, which run on alternative energy sources like sunlight, corn, and biofuels, may …
Solar Power
Av Richard Hantula, Debra Voege
Inbunden, 2010
381 kr
Tillfälligt slut
Along with geothermal energy, solar energy is now one of the least environmentally disruptive sources of power by which electricity is generated today. Sunlight is a free, unlimited resource that hits the Earth with more energy in an hour than the people of the world use in a year. In Solar Power, …
Water Power
Av Michael Burgan, Debra Voege
Inbunden, 2010
343 kr
Tillfälligt slut
Hydraulic power has been used for hundreds of years for everything from sawmills to steam generators. Water Power explores the past and present uses for this source of renewable energy and uses vivid photographs and illustrations to discuss its future in energy development.
