CHEMISTRY AND BIOLOGY

a chemist

a chemical

a substance

a solid

a liquid

a gas

alcohol

carbon

soda

sulphur

a test tube

a laboratory

a blood group

a blood cell

a gene

genetics

the immune system

to make an experiment

to check a hypothesis

to boil at 100 degrees

to freeze

to dissolve

to mix

to heat

to cool

to melt

to do research in