Learn about the scientific method, the steps of the scientific method, and how to use it. Get free resources and activities.| Science Notes and Projects
Get the experiment definition in science and see an example of what a science experiment is (and is not). Know the types of experiments.| Science Notes and Projects
Learn about the cell nucleus in biology. Discover its definition, structure, functions, and evolutionary origin.| Science Notes and Projects
Learn the difference between mass and weight. See how to measure mass and use units correctly. Get mass vs weight activities.| Science Notes and Projects