Explores the importance of respiration during exercise, how the body measures the amount of air each breath contains, and describes how cigarette smoke effects the lungs; along with interactive glossaries, quizzes, and Spanish translation.
Bill Nye the Science Guy answers questions about heat, and leads two experiments that explore whether wood, plastic, or metal is the best conductor of heat, and identify the indications that heat rises.
Bill Nye the Science Guy answers questions about probability and conducts an activity that shows how to determine the number of heads and tails that will turn up when flipping a coin fifty times.
Bill Nye the Science Guy answers questions about energy and conducts two experiments that demonstrate the effects of air pressure and gravity on a bottle and the strength of shapes and structures.
Bill Nye the Science Guy answers questions about buoyancy, and conducts two experiments that demonstrate the effects of object, shape, and pressure on buoyancy.
Describes the five different levels of the atmosphere and how they protect the earth; and contains information on atmospheric air pressure and radio waves, interactive glossaries, quizzes, and Spanish translation.
An introduction to early American history, providing information on the first inhabitants of North America and the changes that occurred when European explorers first arrived.
