The branch of science dealing with the study of life. It describes the characteristics, classification, and behaviors of organisms, how species come into existence, and the interactions they have with each other and with the environment.
The study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy. Chemistry is one of the physical sciences that help us to describe and explain our world.
The study of the natural world. Physics deals with the fundamental particles of which the universe is made, and the interactions between those particles, the objects composed of them, and energy. Physics is the science of matter and energy in space and time.
The Earth sciences can include the study of geology, the lithosphere, and the large-scale structure of the Earth's interior, as well as the atmosphere, hydrosphere, and biosphere. Earth science affects our everyday lives.
The scientific study of plants. Plants cover a wide range of living organisms from the smallest bacteria to the largest living things. Plants include: algae, fungi, lichens, mosses, ferns, conifers and flowering plants.
The study of marine organisms, their behaviors and interactions with the environment. Marine biologists study biological oceanography and the associated fields of chemical, physical, and geological oceanography to understand marine organisms.