General Science: Branches of Science, Matter, Density, and Chemical Changes

How is science defined in the lecture notes?

Science is a huge collection of knowledge built over time through a lot of experiments and research.

What is the primary point or purpose of science?

Scientists build on each other's research and experiments to help understand everything around our world and develop scientific theories.

What is a scientific theory?

A well-supported piece of scientific information arrived at through experiments and research.

According to the notes, why does the human body get goosebumps?

To keep itself warm.

What are the three main groups into which scientific studies are divided?

Earth science, life science, and physical science.

What is Earth science, and what are examples of its subjects?

The study of Earth and its different parts, such as the mantle and crust.

What is life science, and what fields does it include?

The study of living things, including zoology, plants, and biology.

What two branches is physical science broken down into?

Physics (the study of how things move, such as an airplane) and chemistry (the study of things and the changes that happen to them when they are mixed).