I study plants and animals.
biologist
I use this tool to look at tiny things up close.
a microscope
I work in a place with lots of books.
a library
He discovered gravity when an apple fell on his head.
Isaac Newton
He invented the first practical telephone.
Alexander Graham Bell
I build machines and structures.
engineer
I use this to measure how hot or cold something is.
a thermometer
I work in a room with many tools and experiments.
a laboratory
She discovered something called radioactivity.
Marie Curie
He discovered that the Earth orbits the Sun.
Nicolaus Copernicus
I study stars and planets.
astronomer
I use this to write or draw things I observe.
a notebook
I work outside studying plants and animals.
a field
He came up with the idea of evolution by natural selection.
Charles Darwin
He invented the light bulb.
Thomas Edison
I explore the ocean and sea creatures.
marine biologist
I work in a place with lots of fish and sea animals.
an aquarium
He is famous for his theory of relativity.
Albert Einstein
I study chemicals and how they react.
chemist
I work in a place where we study stars and planets.
an observatory
He discovered the antibiotic penicillin.
Alexander Fleming