The Science of Physics Section 1

Unit Outline--Topics• What is Physics?• Branches of Science• Science Terms• Scientific models• Analyzing in Physics• Measuring and Units• Powers of Ten and conversions• Graphing• Experimental Design• Science vs. Technology

The Science of Physics Section 1

SCIENCE—what did you discover?

• Purpose of science: to know and explain the natural universe

• Science starts with a question. • Science assumes that the universe is orderly

and can be explained.• Science is unbiased (objective, not subjective).

The Science of Physics Section 1

BRANCHES OF SCIENCE

The Science of Physics Section 1

Science• The pursuit of

knowledge about the natural world.

• The study and investigation of nature’s rules.

• Example

A physicist tries to understand how the Sun gives us light.

The Science of Physics Section 1

Significance of Science

• The search for knowledge adds to our understanding of the physical world.

• Scientists want to know! • Science affects society by

– stimulating thought – satisfying curiosity– influencing views of the world– providing knowledge necessary for new technological

advances

The Science of Physics Section 1

The Branches and Disciplines of Science

Natural Science

Physical Science

Life Science

Earth Science

1. Physics

2. Chemistry

1. Biology

2. Zoology

3. Botany

1. Geology

2. Meteorology

The Science of Physics Section 1

The branches of science are separate, yet integrated.

Life Science

Physical ScienceEarth Science

The Science of Physics Section 1

Significance of Branches of Science

• Separate, but integrated• Example: the study of fossils requires an understanding

of geology and biology!• Branches of Natural Science

– Earth Science– Life Science– Physical science: Chemistry and Physics.