Science answers

Answers several questions on the processes shared by most living things, including reproduction, cellular respiration, and several others, and presents instructions for three demonstrations.

An investigation of microlife, explaining what it is, what types of microorganisms exist, where they are found, how they live, and their effects on humans. Includes profiles of scientists who have made notable discoveries in the study of microlife, as well as experiments and demonstrations.

Presents an introduction to materials, explaining what they are, looking at the characteristics of different materials, and discussing where they come from, how they are made, and how they are used. Includes related science experiments and demonstrations.

Provides information about the effects of forces and motion in the physical world, and includes a selection of related experiments.

Presents an examination of the three states of matter, including solid, liquid, and gas, explaining what they are, what they are made of, and how they move and change, and includes a selection of related science experiments or demonstrations.

Presents an introduction to sound, explaining what sound is, how it is made, and how it travels, describing how sounds can be changed, as well as discussing how people talk and hear, and how sound is recorded. Includes suggestions for experiments and demonstrations.

Provides information about magnetism, explaining what it is, what causes magnetism, and how and why it works, and introducing the scientists who discovered magnetism. Includes related experiments.

Provides information about light, answering questions such as what it is, how it is made, how it moves, and why things have color, and includes a selection of related experiments and demonstrations.

Provides an introduction to electricity, explaining what it is, what it is made of, and how it is generated and used, and includes a selection of related science activities.