The steps and the chemical equations in aerobic and anaerobic cellular respiration are described as well as the differences between them.

Explains what anaerobic cellular respiration is and how it differs from aerobic respiration. Discusses what this looks like in muscle cells, what the steps are, and the formula for anaerobic respiration.

Explains the differences between eukaryotic and prokaryotic cells and presents a diverse set of facts about animal cells.

Explains what anaerobic fermentation is and how it takes place in cells.

Lysosomes are found in both plant and animal cells. The structure and functions of this cell organelle are described here, with note made of the diseases that can be caused by defective lysosomes.

Discusses the three methods of cell division - mitosis, meiosis, and binary fission.

Explains the steps in the process of phagocytosis.

Explains the stages and phases of meiosis and why the genetic recombinations that take place during meiosis are so critical to the survival of life on Earth.

The difference between the smooth and the rough endoplasmic reticula is described, as well as the functions of the smooth endoplasmic reticulum. These functions include the synthesis of carbohydrates and lipids, protein transport, and...

The parts of an animal cell are presented with short descriptions of each of its organelles.

The parts and functions of the mitochondria are described as well as the many illnesses that can result from mitochondrial dysfunction.

The lowly bean plant is a favorite subject for the study plant growth with younger students. This resource explains how to take care of a bean plant and the different stages of development it goes through.

The parts of a cell nucleus are described along with a list of the functions of a cell nucleus.

Discusses the coastline paradox, which states that the length of a coastline is never a firm number, and describes the ten countries in the world with the longest coastlines.

Provides brief descriptions of the twelve coldest countries in the world.

Presents a map and list of all the Latin American countries, along with their capitals, population, land area, and names of the largest cities. (Note: Puerto Rico is a territory of the United States, not a country on its own.)

Discusses the disagreement over the exact number of countries in the world, although it is generally agreed that the number is just under 200. A list of 196 is presented here, organized alphabetically for each continent, along with their...

Explains why the Amazon River should be considered to be the widest river in the world, rather than the Rio de la Plata, also in South America.

Discusses countries that have recorded the hottest temperatures and the one with the highest average temperature. Also lists the hottest countries for each continent and the hottest locations on Earth.

Explains the properties of the alloy nichrome and what it is used for.

Looks at the properties of steel and some interesting facts about it.

Explains what mild steel is, their properties, and their uses.

Learn how magnets were discovered and some of their many uses.

Looks at the geological changes, climate, and flora and fauna of the Devonian Period.