Readers learn how this simple machine makes it easier to lift and lower objects. They learn about fixed and movable pulleys and when it is best to use each. By the end of the book, readers know the difference between complex and simple machines and how pulleys are used in everyday life to make work easier.
Explains how oranges are grown and harvested; discusses how oranges are turned into orange juice and packaged at a factory; and how orange juice becomes available to consumers.
Explains how peanuts are farmed and harvested; discusses how peanuts are turned into peanut butter and packaged at the factory; and how peanut butter becomes available to consumers.
Explains how wood is cut and milled; discusses how graphite is produced and pencils are assembled at a factory; and how pencils become available to consumers.
A basic introduction to the planet Neptune, its size, composition, and place within our solar system.
A basic introduction to the planet Mercury, its size, composition, and place within our solar system.
A basic introduction to the planet Mars, its size, composition, and place within our solar system.
A basic introduction to the planet Jupiter, its size, composition, and place within our solar system.
Explains where milk comes from and other main ingredients in ice cream; discusses how those ingredients are processed and packaged as ice cream; and how ice cream becomes available to consumers.
Explains how leather and other materials are used in football production; discusses how materials are put together to make footballs in a factory; and how footballs become available to consumers.
A basic introduction to planet Earth, its size, composition, and place within our solar system.
Explains how dall sheep live and grow; discusses their migration, its purpose, and its route; and lists threats dall sheep may face on their migration.
Explains how wheat is farmed and processed into flour; discusses how ingredients are mixed and dough is baked into bread at a factory; and how bread becomes available to consumers.
Explains how cotton is grown and harvested to make fabric; discusses how blue jeans fabric is made at a mill and how the fabric is sewn together to make jeans at a factory; and how blue jeans become available to consumers.
Explains how bicycles are made from different materials; discusses how bicycles are assembled in a factory; and how bicycles become available to consumers.
