Sun
1 – The Sun is a star that is in the center of the Solar System. 2 – Light from the Sun reaches Earth in around 8 minutes. 3 – Earth orbits the Sun in 365 days. 4 – Corona is the Sun’s outer atmosphere with temperatures that range from …
Category: Beauty of Nature
Virus
1- What is a virus? A virus is a microbe. A microbe is a tiny one-celled living organism , too small to be seen with just your eyes. Other types of microbes are: bacteria , protozoa , and fungi. 2- There are a million viruses per milliliter of seawater. Viruses …
Plant Cell
1- A plant cell is the structural and functional unit for all plant organisms. 2- A plant cell is extremely small. It is only visible on a microscope. There are millions of cells in an organism. Here are some fascinating facts you should know about plant cells :- 3- Chloroplast …
The DNA
1- DNA exists in the nucleus of every cell in your body , in the nucleus of every cell of every living thing. 2- There are about 100 trillions cells in the human body. 3- You have the same DNA in every cell of your body. Every time a cell …
Bacteria
1 – Bacteria are single-celled organisms. 2 – They come in all sorts of shapes including rods , spirals , and spheres. 3 – They can live almost everywhere on earth from near boiling water , to the deepest ocean , inside the rock and even in ice. They are …
Animal Cell
1 – All living organisms are composed of cells. 2 – Animal cells are too small to be visible to the naked eyes. Some of these cells are so tiny that even 1 million of them together hardly cover a space as large as the pointed end of a pin. …
The Periodic Table
1 – The Periodic Table is a chart which arranges the elements in a useful and logical manner. 2 – Elements are listed in order of increasing atomic number , lined up so that elements which exhibit similar properties are arranged in the same row or column as each other. …
The Miracle Glue that bond atoms
1 – Molecules and compounds are held together by forces called chemical bonds. 2 – There are two main types of bonds that hold most compounds together: covalent bonds and ionic bonds. 3 – Covalent Bonds – Covalent bonds share electrons between atoms. This happens when it works out for …
Protons and Neutrons
1 – The nucleus of an atom consists of protons and neutrons. 2 – The negatively-charged electrons are attracted to the positively-charged protons. 3 – The positively-charged protons repel each other and aren’t electrically attracted or repelled to the neutral neutrons , so you may wonder how the atomic nucleus …
Molecules
1 – Everything around you is made up of molecules. This includes you! You are actually made up of trillions and trillions of different types of molecules. 2 – Molecule is a group of two or more atoms that stick together. 3 – Molecules are so small that nobody can …