NGSS Science Curriculum for Science Teachers
Atoms and Molecules Lab Activity Introduction Before you start the building Atoms and Molecules lab activity you will need to introduce the following key vocabulary words. Atoms are the smallest units of matter. They consist of a central region called the nucleus and an area surrounding the nucleus called the electron cloud. Atoms contain three […]
What is an Atom? When starting your lesson on Atoms and Molecules make sure to start with the Atom and the changes that have been discovered. Atoms are the simplest building block of matter. Originally, it was thought that atoms were indivisible. However, we now know that an atom can be broken down further, although […]
The Chemistry of Life: An organism can be broken down into smaller levels of organization. These levels are pictured below. The Chemical Level The smallest level of organization is called the chemical level and includes atoms and molecules. Atoms are the smallest units which make up matter – this is the case in both living […]