Science

Chloroplasts are small organelles inside the cells of plants and algae. They are the food producers of the cell. They absorb light to make sugar…

A chemical equation is a way to predict the way that two or more chemicals will work together. It shows the chemical formulas of substances…

The chromosomes of a cell are in the cell nucleus. They carry genetic information. In the nucleus of each cell, the DNA molecule is packaged…

Chromatography is a method using mixed substances that depends on the speed at which they move through special media or chemical substances. It is a…

A chemical formula is a way that chemists describe a molecule. The formula says what atoms, and how many of each type, are in the…

A chemical element is a substance that contains only one type of atom. If a substance contains more than one type of atom, it is…

A chemical compound is a chemical formed from atoms of different chemical elements. The different atoms are joined by chemical bonds. It is a chemical…

Chemical bonds are what join atoms together. They are the connections between atoms in a molecule. They are forces that hold atoms together to make…

Cellulose is the main chemical that forms the main structure of plants. It is the main substance found in plant cell walls and helps the plant to…

The “Yonaguni Monument” (Japanese: 与那国島海底地形 Hepburn: Yonaguni-jima Kaitei Chikei, lit. “Yonaguni Island Submarine Topography”), is an underwater rock structure that was discovered in the mid-1980s…

Cellular respiration is what cells do to break up sugars to give energy they can use. It is one of the most elegant, majestic, and…

Catalysis is the change in speed (rate) of a chemical reaction due to the help of a catalyst. It is the process of modifying a…