Provides information on the solar system, including what the main components of the solar system are, what objects make up our solar system, and more.

Provides information on the planet Earth, including what makes Earth unique among the other planets, what are Earth's natural and human-made satellites, what phenomena occur because of Earth's relationship to the Sun or Moon, and more.

Provides information on space technology, including the necessary precautions that have been developed to protect humans in space, how human life on space capsules or on distant planets can be sustained, and the benefits that society enjoys as a result of the technologies and inventions developed for space travel and exploration.

Describes the physics of work, how to measure it, and how certain mechanical machines make work easier.

Provides information on landforms, including what processes have given rise to landforms, some of the different types of landforms, and how we have learned more about landforms.

Provides information on planets, including how many there are, what the properties of a planet are, and where else planets exist.

Provides information on biotechnology, including how biotechnology has been used in the past and the present, in what fields is biotechnology used, and what are some of the effects and challenges of biotechnology.

Provides information on the oceans of the world, including how many oceans there are and what they are called, what causes currents, tides, and waves, how scientists study the oceans and what they have found, and more.

Provides information on matter, including what it is, what it is made of, and what forms it takes.

Provides information on water, including the unique chemical structure of water, the three forms in which it exists in nature, and where we find the water that we all depend on.