Who has the knowledge to give an opinion about something is good or bad?
A judge
15
Someone who plays a musical instrument.
A musician
15
Someone who investigate and report news stories to the public.
A news reporter
15
They use a variety of tools and instruments. In the laboratory they might use microscopes.
Scientists
15
Who brings to the Earth samples of rock and soil?
An astronaut
15
Someone who is writing and publishing books.
An author / a writer
15
A person who customers pay money to or get money from in places such as shops or banks.
A cashier
15
A person whose job is to design or build machines, engines, or electrical equipment, or things such as roads, railways, or bridges, using scientific principles.
An engineer
15
A person who builds or repairs engines or other machines.
A mechanic
15
A person who sings, especially a trained or professional vocalist.