- CHEM
- High-school sci.
- HS class in which problems might involve solutions
- Nobel subj.
- Study of moles: Abbr.
- ___ lab
- Sci. branch
- Field of Otto Hahn's Nobel Prize: Abbr.
- Field with bases, informally
- High school sci. course
- Bio relative
- Lab sci.
- Organic sci.
- Basic science course, familiarly
- Sci. course
- Sci. with a lab
- Lab class, briefly
- H.S. science class
- Bio kin
- __ lab
- Sci. class with a lab requirement
- Linus Pauling's sci.
- Coll. major
- HS science course
- High-school subject, for short
- HS lab class
- Lab class
- High school lab course
- Thatcher's undergrad major
- Study with equations, for short
- Mrs. Thatcher's Oxford major
- Class with labs
- Science course: Colloq.
- A science: Abbr.
- College course: Abbr.
- Coll. course
- Lab subj.
- Type of engr.
- With 51-Down, where solutions are kept, in brief
- Sci. class
- With 5-Down, where reactions take place
- H.S. class
- Bond analysts' field?: Abbr.
- Physics prereq., maybe
- STEM subject that rhymes with "stem"
- Sci. class that might have controlled explosions
- Orgo science
- High sch. science class
- Subject of an orgo class
- Type of lab
- Short science course?
- A science class, briefly
- Sci. with reactions
- Premed subj.
- Science subj.
- Subj. with a lab
- Science class, for short
- Class with a lab, for short
- Science class with beakers, for short
- Class with titrations, for short
- Science subject, for short
- Sci. class with reactions
- HS science
- Lab course
- Laboratory class, for short
- Lab science, for short
- Sci. class with beakers