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K12 Academics · Major & Field of Study Guide

Physics

A deep, plain-English guide to the Physics major — what it is, courses, specializations, skills, careers and job titles, real BLS pay and outlook, and whether it's the right fit.

Field
Physical Sciences
Studies
Matter, energy & the universe
Typical degree
BS (4 yrs)
Levels
Bachelor's → Doctoral
Research
PhD typical
Outlook
Faster than average
Physicist median
$172,250 (BLS 2025)
Note
Highly versatile
The Field

What it is

Physics is the most fundamental science — the study of matter, energy, motion, force, and the laws that govern the universe, from subatomic particles to galaxies. It builds exceptional analytical and mathematical power that transfers across science, engineering, tech, and finance.

Coursework

What you'll study

Physics is deeply mathematical and theoretical:

Specializations

Concentrations & focus areas

Capabilities

Skills you'll build

Career Paths

Careers & job titles

Demand

Job outlook & demand

The BLS projects physicists and astronomers to grow faster than average, though the pure "physicist" occupation is small and PhD-level. A huge share of physics graduates go into data science, quantitative finance, engineering, and tech — where their analytical skills command strong pay.

Earnings

Pay: median, range & trajectory

Per the U.S. Bureau of Labor Statistics (May 2025), physicists had a median of $172,250 (among the highest of any field; PhD typical). Physics graduates in data/quant/tech roles also earn well; bachelor's-level physics is highly versatile.

Degrees

Degree levels it's offered at

Offered across these levels — click a level to learn about it:

A bachelor's is a powerful, versatile quantitative degree (great for tech/finance/engineering); a PhD is required for research physicist and academic roles.

Fit

Is it right for you?

You might thrive here if you love understanding how the universe works, excel at math, and enjoy hard problems. It's demanding but opens unusually wide doors.

Key insight: most physics graduates don't become "physicists" — they leverage the degree's analytical firepower in data science, quant finance, engineering, and tech. For research physics, plan on a PhD.

Keep Exploring

Explore further

Keep exploring:

At a Glance

Key facts

Trusted Sources

Where to learn more

Authoritative sources for careers and pay: