Heather E. Hillesheim – författare
Visar alla böcker från författaren Heather E. Hillesheim. Handla med fri frakt och snabb leverans.
2 produkter
Electricity and Magnetism
Inbunden, 2012
398 kr
Lägg i varukorg
Electromagnetism is the force that causes attraction and repulsion between charged particles and between magnets. This force is responsible for almost all interactions, including how a car runs, how electronic equipment is powered, and how high-voltage electricity from a power plant is converted to …
Sound and Light
Inbunden, 2012
398 kr
Tillfälligt slut
Sound and light are two fundamental aspects of experiencing life. For example, sound waves can be reflected off a surface, like an echo, and light can also be reflected, such as when people see themselves in a mirror. Although sound and light waves travel in slightly different ways, vibration is …
